Mathematics Middle School

Select the correct answer from the drop-down menu.
in the equation –3(y-2) +29 = -19, the values of y are

Answers

Answer 1

Answer:

y = 18

Step-by-step explanation:

–3(y-2) +29 = -19

Distribute

-3y +6 +29 = -19

Combine like terms

-3y + 35 =-19

Subtract 35 from each side

-3y +35-35 = -19-35

-3y = -54

Divide each side by -3

-3y/-3 = -54/-3

y = 18

Related Questions

answer them all 50 points thank you

answer them all 50 points thank you
answer them all 50 points thank you
answer them all 50 points thank you
answer them all 50 points thank you
answer them all 50 points thank you

Answers

First question: |-19 5/6| < |-20 1/6|

Second question: -7/5 should be two tick marks to the left of -1, and the opposite is two tick marks to the right of 1. (see attached image)

Third question: Only the first choice is correct. (The opposite of -12 is 12, and they’re on opposite sides of 0)

Fourth question: order from least to greatest is -2.4,-0.8,0.2,0.9,1.6

Fifth question: -13/15 < -5/6

answer them all 50 points thank you

Answer:

First question: |-19 5/6| < |-20 1/6|

Step-by-step explanation:

Find the value of each expression mentally.


50÷100

Answers

Answer:

Step-by-step explanation: 0.5

ASAP First to answer right Brainliest
Anita ate 1/3 cup of rice yesterday and 1/2 cup of rice today. Which value is the best estimate of the total amount of rice Anita ate yesterday and today?

Answers

Answer:

I think its 5/6

Step-by-step explanation:

♥ I hope it helps ♥

Answer:

5/6 cup

Step-by-step explanation:

to add 1/2 and 1/3, you need to find a common denominator.

if you multiply 1/2 times 3/3 you get 3/6

if you multiply 1/3 times 2/2 you get 2/6

2/6 + 3/6 = 5/6

Write an addition equation that is represented by the model below.
PLEASE HELP I WILL MARK YOU BRANLIEST

Write an addition equation that is represented by the model below.PLEASE HELP I WILL MARK YOU BRANLIEST

Answers

2 + (-4) = -2 is an addition equation for this model.
2+(-4)= -2 there is your answer. :)

Can someone help? Please?

Can someone help? Please?

Answers

Answer:

I believe it might be 30 or 1.2

Step-by-step explanation:

It would've been 6/30 but since is it says it's a whole number you would have to add all the numbers together to get how many marbles you have in all.

I hope this is right, if it's not I'm sorry!

2+2 is 4444444444444

Before you multiply or divide a fraction by a mixed number, you have to make sure they are both in the same___________?

Answers

Answer:

Step-by-step explanation:

form. Meaning you need make both fractions improper

Make sure each number is turned improper.

Can someone help me, please?

Can someone help me, please?

Answers

You take 62.40-2.80 and get 59.90 then divide by 4 and get 14.90.
So each CD cost $14.90

Hello

Total :

62.40 - 2.80 = $59.60

1 CD :

59.60 ÷ 4 = $14.90

I hope I helped you !!

have z nice day !

The ratio between the number of red and green marbles in a box is 3:7. How many marbles are in the box if there are 20 fewer red marbles than green marbles?

Answers

Answer:

50 marbles

Step-by-step explanation:

The difference between the ratio of the red and green marbles is 4 units and the number value is 20 so its safe to say that 4 units is equal to 20 and thus one unit is 5 and because of the fact that there is a total of 10 units of marbles in the box according to the ratio, just multiply 5 and 10 which you get 50.

4 units = 20

1 unit = 20÷4 = 5

Total = 10 units

10 unit = 5 ×10 = 50

Ans : 50 marbles

Kevin's weekly salary is 865. He receives a 25% raise. How can Kevin find his new weekly salary? Select all that apply.

a. divide 865 by 0.25
b. divide 865 by 1.25
c. multiply 865 by 0.25
d. multiply 865 by 1.25
e. add 865 and 1/4 of 865
f. add 865 and 1 1/4 of 865

Answers

d and e. A 25% raise means that Kevin’s weekly salary is 1.25 times more than 865. 865 x 1.25 = 1081.25. That is what answer d states. 25% is also knows as 1/4 of the total, which is 865 in this case.

Answer:

Option d. (also option e depending on which way you want to calculate it)

Step-by-step explanation:

First, I should point out that percentage basically means 'out of one hundred' so 25% means '25 out of one hundred.' The value of the percentage increase = 25% × 865. The new value = 865 + The value of the percentage increase.

______________________________________

More Simple Explanation:

Alright, so this might not be a super 'mathematical' trick or related to this question but it still works. Basically we just have to convert 25% into a decimal which I do by moving the decimal point 2 numbers to the left. (Since we cannot see the decimal point in the percentage we automatically know that it stays at the end of 25 a.k.a 25.0) So now our number becomes 0.25 (we got rid of the percentage symbol). Now we just multiply 865 by 0.25 to get our answer!

______________________________________

More Mathematical Process *Basically the value and random useless stuff to know lol because my math teacher showed me this and I thought I needed to add this*:

1) Calculate the new value of the number increased by percentage of its initial value

The new value =

865 + The value of the percentage increase =

865 + (25% × 865) =

865 + 25% × 865 =

(1 + 25%) × 865 =

(100% + 25%) × 865 =

125% × 865 =

125 ÷ 100 × 865 =

125 × 865 ÷ 100 =

108,125 ÷ 100 =

1,081.25

2) Calculate the actual change (the difference) between the new value and the initial one

The actual change =

The new value - 865 =

1,081.25 - 865 =

216.25

(For positive numbers, the actual change = The value of the percentage increase)

Help please! Number 1 only. Due an hour later

Help please! Number 1 only. Due an hour later

Answers

plug in zero for Y and solve for X. to find the Y intercept plug 0 in for X and solve for Y.

Answer: Use point-slope form.

y - y1 = m(x - x1)

Step-by-step explanation:

if 3x2+3y2=42 and xy= -15, find the value of (x-y)2

Answers

Answer:

44

Step-by-step explanation:

x^2 + y^2 = 14

(x-y)^2  x^2 + y^2 - 2xy = 14 -2 * (-15) = 44

was the other answer right?

Explain the cosine rule and sine rule while also saying how to use it and provide examples (keep it in simple terms)

Answers

Answer:

Sure, I'll explain the cosine rule and sine rule in simple terms:

The cosine rule (also known as the law of cosines) is used to find the length of a side or the measure of an angle in a triangle given the lengths of the other sides and the angle between those sides. It states that c^2 = a^2 + b^2 - 2ab cos(C), where c is the length of the side opposite angle C, and a and b are the lengths of the other two sides.

Here's an example of how to use the cosine

Suppose we have a triangle with sides a=6, b=8, and an angle between them c=45 degrees. We want to find the length of the remaining side of the triangle, side a.

Using the cosine rule:

a^2 = b^2 + c^2 - 2bc * cosA

where A is the angle opposite side a, we can plug in our values and solve for a:

a^2 = 8^2 + 6^2 - 2(8)(6) * cos(45)

a^2 = 64 + 36 - 96 * 0.707

a^2 = 10.56

a = sqrt(10.56)

a = 3.25 (rounded to two decimal places)

Therefore, the length of side a is approximately 3.25 units.

Answer:

Step-by-step explanation:

which can be simplified and which can not

which can be simplified and which can not

Answers

Answer:

4x+x

Step-by-step explanation:

ion no i just choost it

4. At Rory’s school, students must join one after-school club. Based on the data in Graph #2, which club attracted about 30% of students?

A. yearbook

B. art

C. drama

D. hiking

E. running

F. science

5. Approximately What percent of students chose not to join the yearbook club?

A. 15%

B. 30%

C. 75%

D. 85%

E. 90%

6. About what percent of students joined the art club?

A. 30%

B. 25%

C. 20%

D. 15%

E. 5%

4. At Rorys school, students must join one after-school club. Based on the data in Graph #2, which club

Answers

I believe the answer is d
I believe/think that the answer is D

9th grade math pls assit

9th grade math pls assit

Answers

Answer:

A: (-8,6) B: s = - 1, t = -3

What is the solution to the equation?

9/10 x+4/5=28.3


choices:
x=133/5
x=275/9
x=97/3

Answers

Answer:

x = 275/9

Step-by-step explanation:

find expressions equivalent to -8(3x-2)

Answers

Answer:24 x + 16

Explanation:

We use the distributive rule to handle this situation, which says:

a (b + c) = a b + a c and so we have 8(3x+2)= 24x + 16

-8(3x-2)
-8*3x+(-8)*-2
-24x+16

This is the answer

Earth is approximately 9 × 10^7 miles from the Sun. Neptune is approximately 3 × 10^9 miles from the Sun. Neptune is approximately _______
times farther from the Sun than Earth.

A.3
B.30
C.300
D.3000

Answers

The answer is B. 30 times farther from the sun than Earth
The answer is b.30 just it’s b bbbbbbbb

Bruce’s hourly wage increased from $15.00 to $18.60. What percent of change does this represent?

Answers

Step-by-step explanation:

15.00_____100percent

18.60_____124 percent.

it increased witf 24 percent

Answer:

0.2% increase

First, you find the change between $15.50 and $18.60, which is 3.10. Then you do 3.10 divided by the original, which is 15.50. You should get 0.2.

Step-by-step explanation:

-4d -3 + 5d4 - 8d4 + 7

Answers

Answer:

-3d4 - 4d + 4

Step-by-step explanation:

5d4 - 8d4 and -3+7

-3d4 - 4d + 4

Answer is −3d4−4d+4

Evaluate
5d ⁴ −8d ⁴

Collect like terms
(5−8)×d ⁴

Then Add the coefficients −3d ⁴

Solve for m. 10+8m= – 10m–8
m=

Answers

Answer:

Step-by-step explanation: don't know

M= -1

Explanation:
Step 1: bring -8 to the left since it is less than 10. It would now be 18+8m= -10.

Step 2: you would then move 8 to the right side since you want them to be equal on both sides. it would now be 18= -18m

Step 3: Finally, you divide -18 since you want to find m;you would need to separate them

Answer is m= -1

Using a proportion, how can we find 12% of 125? Please show your proportion set up and all work. HELP ME ASAPPPPPPPPP THE CORRECT ANWSER GETS A BRAINLIST I HAVE 3MINS SOMEONE PLEASE!!!!!

Answers

Answer: 15

Step-by-step explanation:

Write 12% as a fraction: 12/100

Since, finding the fraction of a number is same as multiplying the fraction with the number, we have: 12/100 of 125.

12/100 × 125

If you are using a calculator, enter 12÷100×125 which will give you 15 as the answer.

answer: 15! hope this helps.

Kenneth graphed a system of equations.

Kenneth says the system has no solution
Do you agree?
Yes or No

Kenneth graphed a system of equations.Kenneth says the system has no solutionDo you agree?Yes or No

Answers

No. As the lines continue they will intersect.
There’s is a solution

Referring to the figure, find the circumference
of the circle. Round the answer to the nearest whole inch.

Referring to the figure, find the circumference of the circle. Round the answer to the nearest whole

Answers

Answer:

188 inches

To find the circumference, multiply the diameter by pi which is 3.14

Step-by-step explanation:

What is the format of this proof? Given: ∠ABC is a right angle, ∠DBC is a straight angle Prove: ∠ABD is a right angle

Answers

Answer:

Step-by-step explanation:

abd

GUYS HELP!!! I NEED MY BATTERY TO LAST 3 MORE HOURS, AND ITS AT 1%!!!!!!!!!!!!!!!!
HELPPP

Answers

Answer:

plug in your charger- or put it on low power mode/ turn down the brightness

GET A CHARGER PLUG IT ON A SOCKET THEN BOOM!!!!!...........BUT Seriously if your using apple press low battery mode

Solve for y.

−2y+7=−5
Responses

y = 6

y = 1

y = -1


y = -6

Answers

Answer: y = 6

Step-by-step explanation:

1. Subtract 7 from both sides to isolate -2y.

-2y = -12

2. Divide both sides by -2 to isolate the y.

y = 6

Y-6 mark be the brainiest
Solve for y. 2y+7=5Responsesy = 6y = 1y = -1y = -6

please write a function for the points (1/3,0) (-2 3/4,0) and (0,-5) and explain the steps.
thank you!

Answers

The function for the points are  y = -15x - 5

How to determine the function

From the information given, we have that;

The points are;

(1/3,0) (-2 3/4,0) and (0,-5)

Using the point-slope form of a linear equation, we have;

y - y₁ = m(x - x₁)

Such that;

m is the slope of the liney - y₁ and (x - x₁) are the points

Using (1/3, 0) and (0, -5), we have that the slope is;

m = (0 - (-5))/0 -1/3)

expand the bracket

= 5 / (-1/3)

= -15

Now, take any of the given points and substitute the values

Using (1/3, 0), we get;

y - 0 = -15(x - 1/3).

y = -15x - 5.

Learn more about functions at: https://brainly.com/question/25638609

#SPJ1

The function for the points solved by  (1/3,0) (-2 3/4,0) and (0,-5) solved by point slope form is \(a=-15b-5\)

We have given the points:

(1/3,0) (-2 3/4,0) and (0,-5)

Using the formula of linear equation

\(a-\)\(a_{1}\)\(=x[b-b_{1}]\)                                                          

Where we will consider (1/3,0) = \(a-a_{1}\) and (0,-5) = \(b-b_{1}\)

that is 1/3 = \(a\), 0 = \(a_{1}\) and

0 = \(b\), -5 = \(b_{1}\)

\(x\) refers to the slope of line (take any variable)

Now for finding the value of \(x\),

\(x=a-a_{1}/b-b_{1}\)

inserting the values,

\(x=[0-[-5]]/[0-1/3]\\x= -15\)

Substitute the value of \(x\) in the equation

\(a-0=-15[b-1/3]\)

By simplifying the equation, we get

\(a=-15b-5\)

To know more about functions and points:

https://brainly.com/question/30721594

— whats the diameter of a circle with an area of 113.04 square cm use 3.14 for pi

remember, the formula of are for a circle is... A = \(\pi\) * r to the second power

Answers

11.99 which rounds to 12
The answer your looking for is 11.99

Which is the answer A- D ?

Which is the answer A- D ?

Answers

Answer:

B.

Step-by-step explanation:

Inequality:

-3b - 15 > -24

The dot must start at -3 (-3b).

Which would be B.

Then, we solve this inequality:

-3b - 15.

Solve:

-3b - 15= 18b18b > -24.Hence, the answer is B.

The best and well proven answer is B
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