What is the measure of angle B in the triangle?
this triangle is not drawn to scale.

What Is The Measure Of Angle B In The Triangle?this Triangle Is Not Drawn To Scale.

Answers

Answer 1
40°+B+C = 180° (sum of angles in a triangle)
sub. in values of B and C :
40° + (2x-30)° + (x+20)° = 180°

expand the equation and solve for x:
2x + x + 40° - 30° + 20° = 180°
3x + 30° = 180°
3x = 150°
x = 50°

sub. x = 50° into B,
2(50°) - 30° = 100° - 30°
= 70°

B = 70°

Related Questions

which Roman numeral less than 100 is written using the greatest number of symbols​

Answers

Represented as LXXXXVIII it has 8 letters, the most of any number less than 100.

The Roman numeral less than 100 is written using the greatest number of symbols​ is 88, written as LXXXXVIII.

Roman numerals are a system of numbers that were first used in ancient Rome and continued to be widely used in Europe well into the Late Middle Ages. Latin alphabetic letter combinations are used to represent numbers, and each letter has a predetermined integer value.

Here, the number 88 is written as LXXXXVIII.

Therefore, the Roman numeral less than 100 is written using the greatest number of symbols​ is 88, written as LXXXXVIII.

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which one should I choose

which one should I choose

Answers

Answer:

Just choose the first one.

Answer:

FE

FG

AB

EG

AC

BC

step by step explanation:

Patricia has a savings account with $89 in it that earns 4.7% simple interest per year. How much money, to the nearest penny, will Patricia have in 5 years?​

Patricia has a savings account with $89 in it that earns 4.7% simple interest per year. How much money,

Answers

Answer:simpler interest is 109.92.  Annual compounded interest is 111.98

Step-by-step explanation:

Answer: $209.2

Step-by-step explanation:
hey! i'm gonna try to make this as simple as possible;
with simple interest, the formula to this is I = PRT (Interest = Principle x Rate x Time).
we're going to take the $89 , 4.7% simple interest and the 5 years together into the same sentence like the formula.
89 (Principle, the money) x 4.7% (Interest rate)  x 5 (Time). we'll narrow down the decimal by moving the decimal forward once so we get a decimal of .47 / 0.47.
back to the equation, it is now 89 x .47 x 5. multiply all those and you'll get a sum of 209.15! by the end of the five years, patricia will have $209.15. to the nearest penny, she will have $209.2. (5 or more, it goes to the next number. 4 or less, it stays in the same place.)
hope this helped :)

Carol rolled a dice 150 times she rolled a six 29 times use carol's data to estimate the probability of rolling a six with this dice give your answer as a fraction

Answers

Answer:

29/150

Step-by-step explanation:

Probability is the number of times a certain value is obtained out of the total number of attempts.

If Carol got 6 29 times out of 150, then the probability of getting a 6 = 29/150.

This can be written as a percent or decimal too = 0.193 = 19.3%

Hope this helps.

Good Luck

You start at (8, 6). You move left 6 units and right 8 units. Where do you end?

Answers

Answer:

(10,6)

Step-by-step explanation:

of you start at (8,6) X is left and right and Y is up and  down so yoy move left 6 unites meaning your now at (2,6) then you move right so you go back again and now you have (10,6) Hope this helps

Please help solve!!!!!!!!!!

Please help solve!!!!!!!!!!

Answers

Answer:

Height = 17.31821 feet

Step-by-step explanation:

Explanation

From graph

Given angle θ = 6.5°  and a = 152 feet

we need to find the height (h)

By using the tangent rule

                   \(tan \alpha = \frac{opposite side}{adjacent side}\)

                  \(tan 6.5 = \frac{b}{152}\)

    Cross multiplication , we get

               b = 152 × tan 6.5°

               b = 152 × 0.113935

              b = 17.31821 feet

Height = 17.31821 feet

Find the volume of a pyramid with a square base, where the perimeter of the base is 12. 8\text{ m}12. 8 m and the height of the pyramid is 12. 5\text{ m}12. 5 m. Round your answer to the nearest tenth of a cubic meter.

Answers

A pyramid with a square base has a volume of 42.67 cubic meters.

What is perimeter?

A perimeter is a closed route that covers, surrounds, or outlines a two-dimensional form or length. The circumference of a circle or an ellipse is its perimeter. There are various practical applications for calculating the perimeter. The perimeter of a shape is the distance around its edge. A shape's perimeter is always computed by summing the lengths of each of its sides. The perimeter of a thing is the distance surrounding it. Your house, for example, has a fenced-in yard. The perimeter of the barrier is its length.

Here,

perimeter=12.8 m

side=12.8/4

=3.2 m

volume=1/3*3.2²*12.5

=1/3*128

=42.67 m³

The volume of a pyramid with a square base is 42.67 m³.

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what is 120 euros to dollars?

Answers

The value of euros can be converted to dollars by simply multiplying euro by 1.06 so 120 euros be 127.89 dollars.

Unit conversion is the process of converting the dimension of a given quantum between colorful units, frequently by multiplicative conversion factors that alter the value of the measured volume without altering its goods.

The sanctioned currency of 20 of the EU's 27 member countries is the euro( symbol€; law EUR)( EU). By of 2023, this group of countries — officially known as the eurozone or euro area — will have around 344 million residers. One euro is equal to one hundred cents.

The United States bone ( symbol$; law USD; frequently shortened asUS$ orU.S. Bone to separate it from other bone - nominated currencies; also known as the bone ,U.S. bone , American bone , or informally buck) is the sanctioned coin of the United States and multitudinous other nations.

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If one item is chosen from m items, a second item is chosen from n items, and a third item is chosen from p items, the total number of three-item choices is?

Answers

If one item is chosen from m items, a second item is chosen from n items, and a third item is chosen from p items, the total number of three-item choices is MNP.

What is probability?

Probability  can be regarded as a  measure of the likelihood of an event  that can take place.

It should be noted that  Many events cannot be predicted with total certainty, hence , If one item is chosen from m items, a second item is chosen from n items, and a third item is chosen from p items, the total number of three-item choices is MNP.

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I NEED AN ANSWER ASAP PLEASE

I NEED AN ANSWER ASAP PLEASE

Answers

Step-by-step explanation:

the correct answer is option a 6a-7

Determine the distance between the points (−2, −8) and (−9, −3). square root of 148 units square root of 125 units square root of 74 units square root of 24 units

Answers

Answer: C -  square root of 74

Step-by-step explanation: took the test and got it right. hope this helps.

have a good day :)

Answer:

\(\sqrt{74}\)

Step-by-step explanation:

Air is being pumped into a spherical balloon at the rate of 7 cm³/sec. What is the rate of change of the radius at the instant the volume equals 36n cm³ ? The volume of the sphere 47 [7] of radius r is ³.

Answers

the rate of change of the radius at the instant the volume equals 36π cm³ is 7 / (36π) cm/sec.

The volume V of a sphere with radius r is given by the formula V = (4/3)πr³. We are given that the rate of change of the volume is 7 cm³/sec. Differentiating the volume formula with respect to time, we get dV/dt =(4/3)π(3r²)(dr/dt), where dr/dt represents the rate of change of the radius with respect to time.

We are looking for the rate of change of the radius, dr/dt, when the volume equals 36π cm³. Substituting the values into the equation, we have: 7 = (4/3)π(3r²)(dr/dt)

7 = 4πr²(dr/dt) To find dr/dt, we rearrange the equation: (dr/dt) = 7 / (4πr²) Now, we can substitute the volume V = 36π cm³ and solve for the radius r: 36π = (4/3)πr³

36 = (4/3)r³

27 = r³

r = 3  Substituting r = 3 into the equation for dr/dt, we get: (dr/dt) = 7 / (4π(3)²)

(dr/dt) = 7 / (4π(9))

(dr/dt) = 7 / (36π)

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PLZZ HELPPPP!!!! (;´д`)ゞ(;´д`)ゞ

PLZZ HELPPPP!!!!

Answers

a=c b2 the forth of 24/6

Can someone please help me with my Imagine Math? My teacher assigned are class to do this even though we haven't learned about this yet.... I don't understand this at All!

QUESTION:
Drag each graph to show whether it is a function of x or not a function of x. If there is not enough information to tell, drag the graph into the box under “Not Enough Information.”

When you tell me the answers type it in this format:
this graph goes in "function" OR this graph goes in "Not a function" OR this graph goes in "Not enough information"

Can someone please help me with my Imagine Math? My teacher assigned are class to do this even though

Answers

Answer:

first graph is not a function, second graph is a function, 3rd is not enough information, 4th is a function, 5th is not a function, 6th is a function

Step-by-step explanation:

Answer:

I got all of them right on Imagine Math!

Step-by-step explanation:

Hope this helps!

Can someone please help me with my Imagine Math? My teacher assigned are class to do this even though

solve linear system of equations graphically - y=3/5x+2
y=x-6

Answers

Answer:

(20, 14) If the first y is positive

(5/2, -7/2) If the first y is negative

Answer:

Point form: (20,14)

Equation form: x=20, y=14

Step-by-step explanation:

Help it’s not 1,134 will give brainly

Help its not 1,134 will give brainly

Answers

Answer:

3) 1,134

Step-by-step explanation: (9x6=54) and (54x21=1134)

Just mutlipication!

I Need Help again Pls fast

I Need Help again Pls fast

Answers

Answer:

The scale factor is 60

Step-by-step explanation:

The drawing is measured in inches and the billboard is measured in feet.  First, convert 15 feet to 180 inches.  Then use the ratio \(\frac{180}{3}\) to find that the scale factor is 60.  This means the length of the billboard will be 600 inches or 50 feet.

Let A and B be any given sets. Use set builder notation and logical equivalences to show that A∩(B−A)=∅.

Answers

It is shown that A ∩ (B - A) = ∅ using set builder notation and logical equivalences.

Here, we have,

To show that A ∩ (B - A) = ∅, we can use set builder notation and logical equivalences.

First, let's expand the expression B - A using set builder notation:

B - A = {x | x ∈ B and x ∉ A}

Now, let's write the expression A ∩ (B - A) using set builder notation:

A ∩ (B - A) = {x | x ∈ A and x ∈ (B - A)}

We want to prove that this set is empty, meaning it has no elements.

To do so, we can rewrite the expression A ∩ (B - A) as follows using logical equivalences:

A ∩ (B - A) = {x | (x ∈ A) and (x ∈ B and x ∉ A)} (using the definition of set intersection)

Now, let's simplify the logical expression (x ∈ B and x ∉ A):

(x ∈ B and x ∉ A) is equivalent to (x ∈ B and ¬(x ∈ A)) (using the negation of membership)

Since (x ∈ B and ¬(x ∈ A)) is equivalent to ¬(x ∈ A and ¬(x ∈ B)), we can rewrite the set builder notation as:

A ∩ (B - A) = {x | (x ∈ A) and (x ∈ B and x ∉ A)}

= {x | (x ∈ A) and ¬(x ∈ A and ¬(x ∈ B))}

Now, let's simplify the logical expression (x ∈ A and ¬(x ∈ A and ¬(x ∈ B))):

(x ∈ A and ¬(x ∈ A and ¬(x ∈ B))) is equivalent to ¬(x ∈ A) (using the law of excluded middle)

Therefore, we have:

A ∩ (B - A) = {x | ¬(x ∈ A)}

This set is equivalent to the empty set ∅, since there are no elements that satisfy the condition of not belonging to set A.

Hence, we have shown that A ∩ (B - A) = ∅ using set builder notation and logical equivalences.

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What is the MEAN of the data set below?(0.2,0.8,0.4,0.3,0.4,0.4,0.4,0.8,1.3)

Answers

Answer:

5/9

Step-by-step explanation:

we add all of the values and divide by the total number in this case 9, all of them add to make 5 so we do 5÷9 to get 5/9

Use the drawing tool(s) to form the correct answer on the provided graph.
A dilation by a scale factor of 2 centered at (2,-1) is performed on the triangle shown.
Draw the resulting triangle.
Drawing Tools
Select
Point
Line Segment
Click on a tool to begin drawing.
<+++
-10 -9 -8-7 -6 -5
-4
-2
10
9-
8-
7+
6
5-
4-
3-
2-
1
Delete
3
5
Undo
6
7
00
8
Reset
9 10 no

Use the drawing tool(s) to form the correct answer on the provided graph.A dilation by a scale factor

Answers

The resulting dilated triangle is as attached and it has the coordinates; (2, 4), (4, -2) and (-6, -2).

How to interpret Dilation Scale Factor?

When a triangle is dilated, it means that each vertex of the figure has it's coordinates multiplied by the scale factor of the dilation. Now, due to the fact that multiplication operation is involved, it means that the original triangle and the dilated triangle are not congruent, as their side lengths are different.

The vertices of the triangle are given as follows:

(1, 2), (2, -1) and (-3, -1).

The dilation has a scale factor of 2, meaning that each coordinate of the vertices will be multiplied by 2 and as such, the coordinates of the dilated triangle are given as follows:

(2, 4), (4, -2) and (-6, -2).

The new triangle is as attached

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Use the drawing tool(s) to form the correct answer on the provided graph.A dilation by a scale factor

Lisa needs 250 yards of yarn to knit a hat. She has 185 yards of yarn and needs to buy the rest. How many yards of yarn does she need to buy?

Use the variable y to represent the number of yards of yarn she needs to buy.

Which equation represents this situation and its solution?


250y = 185; y = 55

y + 185 = 250; y = 65

y + 250 = 185; y = 65

185y = 250; y = 55

Answers

Answer:

it's answer is y + 185 = 250; y = 65

hope it helps you

Payson practices his tuba at
least 36 hours a month. He has
13 private lessons at h, hours
long. He also practices 10 hours
on his own every month. Solve. I needs to be an equation with a <.
for the amount of h, hours, in
each private lesson.
Hint: You will need to write an
inequality first in order to solve!

Answers

Use h for variable for the hours in private practice.
Payson practices his tuba atleast 36 hours a month. He has13 private lessons at h, hourslong. He also

There are some Chicken and rabbits in a cage. There are 20 heads and 62 feet in total, the question is: how many chicken and rabbits in the cage?​

Answers

Answer:There are 72 heads (chicken and rabbit) and 200 legs. How many chickens and rabbits are present totally?

Step-by-step explanation

There are 72 heads (chicken and rabbit) and 200 legs. How many chickens and rabbits are present totally?

Legs of a chicken = 2

Legs of a rabbit = 4

Total heads = 72

Total legs= 200

Let's assume that each of them has minimum 2 legs.

So 72*2 = 144 legs

Remaining legs: 200-144= 56

These remaining legs belong to rabbit because rabbit has 4 legs each.

2*Rabbits= 56

Rabbits= 56/2 = 28

Out of 72, 28 are rabbits. So there are 72-28= 44 chicken.

Someone please help????

Someone please help????

Answers

Answer:

11.68 m^2

Step-by-step explanation:

area of triangle = 1/2(b)(h)

b = 7.3, h = 3.2

1/2(7.3)(3.2) = 11.68

Answer:

11.68m

firstly remember area of triangle is half multiplied by base multiplied by height

x^2 + 2x + 7 simplified

Answers

Answer:

This equation cannot be further simplified.

Step-by-step explanation:

\(x^{2} + 2x + 7\) is already simplified, and cannot be simplified further. Hope this helps, and just contact me by posting a comment if you have another problem that needs simplified! Have a great day! :D

Ms.Nguyen needs to separate $385 into three parts to pay some depts. The second part must be five times as large as the first part. The third part must be $35 more than the first part. How much money must be in each part?

Answers

Ok so u divid 385 by 3 then ur answer is 128 so divided that again and its 42 so divid again by 3 is 14x5=70 so 70 is the second part and the first part is about 14 them the 3rd part is about 105

if this trapezoid is moved through the translation (x+1, y-3) what will the coordinates of C' be?

if this trapezoid is moved through the translation (x+1, y-3) what will the coordinates of C' be?

Answers

The translation of point C, helped to fill the blank as

C = (-1, 1)

How to solve for the coordinates of trapezoid

The coordinate of vertex C before translation is (-2, 4),

Applying the translation with the rule, (x+1, y-3)  results to

(-2, 4) → (-2 + 1, 4 - 3) → (-1, 1)

hence the image coordinate is (-1, 1) and the blank spaces are

-1 and 1

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When the hypotheses H0: μ = 13 and Ha: μ ≠ 13 are being tested at a 5% level of significance(α), the null hypothesis will be rejected if the test statistic(Z) is ______. (find all possible answers)

between -1.96 and 1.96, exclusively

less than or equal to -1.96

greater than or equal to 1.96

greater than or equal to 0

Answers

The null hypothesis will be rejected if the test statistic (Z) is less than or equal to -1.96 or greater than or equal to 1.96 when the hypotheses H0: μ = 13 and Ha: μ ≠ 13 are being tested at a 5% level of significance(α).

For a two-tailed hypothesis test with a 5% significance level, there are two critical values: -1.96 and 1.96 for the test statistic, Z. If the calculated test statistic, Z, is outside of these critical values, then the null hypothesis is rejected. Hence, the null hypothesis will be rejected if the test statistic (Z) is less than or equal to -1.96 or greater than or equal to 1.96 when the hypotheses

H0: μ = 13 and0

Ha: μ ≠ 13

are being tested at a 5% level of significance(α).The level of significance, denoted as alpha (α), is the probability of rejecting the null hypothesis when it is actually true. It is the probability of making a type I error in hypothesis testing. When a hypothesis is being tested, if the p-value of the test statistic is less than the significance level, then the null hypothesis is rejected, and the alternative hypothesis is accepted.

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what is the y-intercept of the following function?
Y=2(4/3)x
A.X
B.2
C.3
D.4

Answers

Answer:

C.

Step-by-step explanation:

Answer: A) x axis

Step-by-step explanation:

goes through the origin

PELASE HELP ME I need a), b) and c)​

PELASE HELP ME I need a), b) and c)

Answers

Answer:

area = 17

volume = 23

surface area =69

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