There are only blue pens, green pens and red pens in a box.
The ratio of the number of blue pens to the number of green pens is 2:5
The ratio of the number of green pens to the number of red pens is 4:1
There are less than 100 pens in the box.
What is the greatest possible number of red pens in the box?

Answers

Answer 1

Answer:

  15 red pens

Step-by-step explanation:

We can multiply the first ratio by 4 to give 20 as the number representing green pens:

  blue : green = 8 : 20

We can multiply the second ratio by 5 to give 20 as the number representing green pens:

  green : red = 20 : 5

Then the combined ratios are ...

  blue : green : red = 8 : 20 : 5 . . . . . . . . . total of 33 "ratio units"

If each "ratio unit" represents 3 pens, then there would be a total of 99 pens in the box. That would mean there are at most 5×3 = 15 red pens.


Related Questions

9. The blueprint for a new house includes a triangular shaped room in the attic. The triangular room appears on the blueprint as shown.
If the blueprint was made using a scale factor of 12
centimeter = 1 meter, what is the actual perimeter of the triangular room?
A. 2.5M
B. 4.5M
C. 9M
D. 18M

9. The blueprint for a new house includes a triangular shaped room in the attic. The triangular room

Answers

The actual perimeter of triangle will be 1.3m

What is area of the triangle?

The territory included by a triangle's sides is referred to as its area. Depending on the length of the sides and the internal angles, a triangle's area changes from one triangle to another. Square units like m2, cm2, and in2 are used to express the area of a triangle. The perimeter is the whole side covered by the all sides.

The sum of all angle of triangle = 180

The blueprint for a new house includes a triangular-shaped room in the attic.

If the blueprint was made using a scale factor of 12

centimeter = 1 meter

The perimeter will be 9cm

12/9 = 1.3m

So the actual perimeter will be 1.3m.

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What is the constant of proportionality for the table below?

What is the constant of proportionality for the table below?

Answers

Answer:

Equation:y = 1/2x .  or x = 2y

Constant = 2

Step-by-step explanation:

Input y = output x

the first input/output says that when inputed 2, the number 1 is outputted.

Similarly, when 5 is inputted, 2.5 is the output.

1/2 = 2.5/5

That means that y = 1/2 x

or x = 2y

If my answer is incorrect, pls correct me!

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-Chetan K

For each of the number lines, write an absolute value equation that has the solution set -4 and -8

For each of the number lines, write an absolute value equation that has the solution set -4 and -8

Answers

The absolute value equation that has the solution set  is |x + 6| = 2

How to write the absolute value equation that has the solution set

From the question, we have the following parameters that can be used in our computation:

Solution set = -4 and -8

The midpoint of the above solution is

c = (-4 - 8)/2

So, we have

c = -6

So, we have

|x + 6| = d

Using any of the points, we have

|-4 + 6| = d

Evaluate

d = 2

So, we have

|x + 6| = 2

Hence, the absolute value equation that has the solution set  is |x + 6| = 2

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Find the numbers with the following property three times the sum of four and a number is less than seven times the same number

Answers

Let's represent the number with the variable "x". According to the given property, we can write the following equation:

3(x + 4) < 7x

Now, let's solve this inequality to find the range of numbers that satisfy the property.

3x + 12 < 7x

Subtract 3x from both sides:

12 < 4x

Divide both sides by 4 (since the coefficient of x is 4):

3 < x

So, the range of numbers that satisfy the given property is x > 3.

Therefore, any number greater than 3 will satisfy the condition. For example, 4, 5, 6, 7, 8, etc.Step-by-step explanation:

Let's call the number we're looking for "x".

According to the problem, we know that:

3(4 + x) < 7x

Simplifying:

12 + 3x < 7x

Subtracting 3x from both sides:

12 < 4x

Dividing both sides by 4:

3 < x

So the number we're looking for must be greater than 3.

Solve by completing the square.
j² + 14j + 5 = 0
Write your answers as integers, proper or improper fractions in simplest form, or decimals
rounded to the nearest hundredth.
Submit
or j =
=

Answers

Answer:

\(j = 7 \pm \sqrt{44}\)

Step-by-step explanation:

First, move the constant term to the other side of the equation.

\(j\² + 14j + 5 = 0\)

\(j\² + 14j = -5\)

Next, add the coefficient of the first degree j term divided by 2, then squared to both sides.

\(j^2 + 14j + (14/2)^2 = -5 + (14/2)^2\)

\(j^2 + 14j + (7)^2 = -5 + (7)^2\)

\(j^2 + 14j + 49 = -5 + 49\)

\(j^2 + 14j + 49 = 44\)

Now, we can factor the left side as a square.

\((j+7)(j+7) = 44\)

\((j+7)^2 = 44\)

Finally, we can take the square root of both sides to solve for j.

\(\sqrt{(j+7)^2} = \sqrt{44\)

\(j+7=\pm\sqrt{44}\)

\(\boxed{j = 7 \pm \sqrt{44}}\)

Note that there are two solutions, as \(\sqrt{44\) could be positive OR negative because of the even root property:

if \(x^2 = a^2\),

then \(x = \pm a\)

because both \((+a)^2\) and \((-a)^2\) equal \(a^2\).

The two rectanglesare similar. Which is a correct proportion between correspoding sides? I need help

The two rectanglesare similar. Which is a correct proportion between correspoding sides? I need help

Answers

Answer:

c. 12/4 = l/8

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a) What is the area of the top face of this
cuboid?
b) What is the area of the bottom face of
this cuboid?
4 cm
9 cm
7 cm

Answers

The area of the top face would be 4cm and the area of the bottom face would be 9cm

The area of both the top face and the bottom face of the cuboid is 63 square centimeters (cm²).

To find the area of each face of the cuboid, we'll use the formulas for finding the area of a rectangle (which is the shape of each face of the cuboid).

Given dimensions:

Length (L) = 9 cm

Width (W) = 7 cm

Height (H) = 4 cm

a) Area of the top face of the cuboid:

The top face is a rectangle with dimensions 9 cm (length) and 7 cm (width).

Area = Length × Width

Area = 9 cm × 7 cm

Area = 63 square centimeters (cm²)

b) Area of the bottom face of the cuboid:

The bottom face is also a rectangle with dimensions 9 cm (length) and 7 cm (width).

Area = Length × Width

Area = 9 cm × 7 cm

Area = 63 square centimeters (cm²)

Therefore, the area of both the top face and the bottom face of the cuboid is 63 square centimeters (cm²).

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marta has a lower probability of winning than Elena has. Which could be the outcome that marta needs to win the game? select three options.

Answers

Answer:pic

Step-by-step explanation:

Justin needs to earn a score of more than 80 on his next math test to earn a B for the semester. Which inequality shows the grades that will allow Justin to earn a B? plz answer asap!

Justin needs to earn a score of more than 80 on his next math test to earn a B for the semester. Which

Answers

Answer:

Step-by-step explanation:

I think it b

Choose the inequality that represents the following graph.

A x<-5
B x≤-5
C x>-5
D x≥-5

Choose the inequality that represents the following graph.A x&lt;-5B x-5C x&gt;-5D x-5

Answers

Answer:

x > -5, so the correct answer is C.

i need help with this

i need help with this

Answers

Answer:

Step-by-step explanation:

64

128°

Step-by-step explanation:

The measure of the intercepted arc is twice the measure of the inscribed angle in a circle. Since the inscribed angle is given as 64°, that means that the intercepted arc x is 2×64° = 128°

The length of a rectangle is 5 more than the width. The area is 500 square feet. Find the length and width of the rectangle.

Answers

Answer:

length = 25ft, width = 20ft

Step-by-step explanation:

Let x= width, so length = x+5

Area = l x w  so A = x(x+5)

Since the area is given as 500 sqft, your equation is x(x+5)=500.

Although the numbers are easy  enough to factor in your head, mathematically the equation can be solved as a quadratic, as follows:

x^2 + 5x -500 = 0

Using either factoring or quadratic formula, x = 20 (the other value is negative).  Therefore the width is 20ft and the length is 25ft.

3. Find the value of:
a) 9²
b) 15²
c) (0.2)²
d) (0.7)​

Answers

Answer:

Step-by-step explanation:

9^2

=9*9

=81

15^2

=15*15

=225

(0.2)^2

=0.2 * 0.2

=0.04

(0.7)

=0.7

What is the solution to the system of equations?

y = 1/3x -10

2x + y = 4

(–8, 6)
(–6, 16)
(6, –8)
(16, –6)

Answers

Does it tell you what process to use
Like graphing Substitution or elimination

Sorry :l

Please help its due on friday

Please help its due on friday

Answers

Answer:

28 cups

Step-by-step explanation:

If 7 cups will only fill 1/4 of her pot, multiply 4 by 7 to get 28.

PLEASE MARK ME AS BRAINLIEST I REALLY WANT TO LEVEL UP

Write this as an algebraic expression:

You have $100 and make $25 a day

Answers

Answer:

25d + 100

Step-by-step explanation:

I will call "d" the days passed

25d + 100

what is (6x100) + (1x10) + (7x1) + (9 x 1/10) + (2x 1/1000) in standard form?

Answers

Answer:

617.902

Step-by-step explanation:

hope this helps :)

39. From the top of a vertical cliff 50 meters high, the angles of depression of an object that is levelled with
the base of the cliff is 30°. How far is the object from the base of the cliff?
A. 50 meters
B. 50-√3 meters
C. 100 meters
D. 100-√3 meters
40. What expression is used to answer: "A 4-m tall man stands on horizontal ground 43 m from a tree.
The angle of depression from the top of the tree to his eyes is 22°. Estimate the height of the tree."
A. sin 22
B. cos 22
C. tan 22
D. cot 22
41. From the top of the building of a food chain, the angle of depression from where Miguel stands is
45°. If the building is 12 meters high, how far is he from it?
A. 11 meters
B. 12 meters
C. 13 meters
D. 14 meters
42. A plane, at an altitude of 3,000 feet, observes the airport at an angle of 27°. What is the
horizontal distance between the plane and the airport to the nearest foot?
A. 3,000 feet
B. 4,000 feet
C. 5,000 feet
D. 6,000 feet
43. An escalator has an angle of elevation of 10° and a vertical rise of 6 m. Find the length of the
escalator.
C. 34.55 m
D. 36 m
A. 6,09 m
B. 34,03 m

Answers

Answer: cos4

Step-by-step explanation: 50 meters

B. 50-√3 meters

C. 100 meters

D. 100-√3 meters

40. What expression is used to answer: "A 4-m tall man stands on horizontal ground 43 m from a tree.

The angle of depression from the top of the tree to his eyes is 22°. Estimate the height of the tree."

A. sin 22

B. cos 22

C. tan 22

D. cot 22

Find the greatest common factor of the
following monomials:
25x5 20x6

Answers

Answer:

1

Step-by-step explanation:

Two scientists are measuring the temperature of liquids in two beakers. Liquid A has a temperature of -105.4° C and Liquid B has a temperature of -10.83 ° C.
Which liquid is warmer and why?​

Answers

Answer: Liquid B is warmer.

Step-by-step explanation:

The data that we have is:

Temperature A = -105.4° C

Temperature B = -10.83° C

We want to know which liquid is warmer, this is equivalent to see which temperature is bigger, Ta or Tb.

Now, you can see that temperature A is larger in module, but this is a negative number.

When we work with negative numbers, the bigger ones are the ones closer to zero. This means that for example, -1 is larger than - 150.

From this, we can conclude that Liquid B is warmer.

Another way to see it is with a change of units.

If we have A degrees Celcius, and we want to to transform it into Kelvins, we must add 273.15°.

Then we have:

Ta = (-105.4° + 273.15°) K = 167.75 K

Tb = (-10.83 ´273.15°) = 262.35 K

where you can see that liquid B has a larger temperature.

Answer:

Liq A= -105.4ºC < LiqB= -10.83ºC

Step-by-step explanation:

Hello!

The easiest and quickest way to compare two negative values and determine which one is greater is by sorting them in a number line. (Check attachment)

You can also compare the absolute value of the temperature measurements. |10.83| < |105.4|. As the negative value decrease, the absolute value increases.

So the temperature of Liquid B > Temperature of liquid A.

I hope this helps!

Two scientists are measuring the temperature of liquids in two beakers. Liquid A has a temperature of

Geometry Section 58C/School Year/
For the three-part question that follows, provide your answer to each part in the given workspace. Identify each part with a coordinating response. Be sure to clearly label each part of your response as Part A
Part B, and Part C
Part A: How many triangles can be formed if the measurements of a triangle are a 27,6-15, A-557
Part B: Explain how to determine the answer to Part A
Part C: Find all possible solutions for this triangle.
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Geometry Section 58C/School Year/For the three-part question that follows, provide your answer to each

Answers

1. Triangle inequality theorem.

3. The missing lengths and angles are:

<B = 27.07, <C = 98 and c = 32.64.

1. According to triangle inequality theorem, the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

2. To determine the number of triangles that can be formed, we can use the given measurements and check if the triangle inequality theorem is satisfied.

3. We have,

a = 27, b = 15, and A = 55°,

Using the Law of Sines,

sin A/ a = sin B/ b

sin 55 /27 = sin B / 15

0.81915204428 / 27 = sin B /15

0.4550844690444 = sin B

<B = 27.07

Now, <C = 180 - <A - <B = 180 - 55 - 27.07 = 98

Now, Using the Law of Sines

sin A/ a = sin C/ C

0.81915204428 / 27 = sin 98 / c

0.030338964602963 = 0.99026807 /c

c = 32.64

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Solve the equationbelow:71<-Ea+3A qq=1-87B a=16

Answers

Solve the equation;

\(\begin{gathered} \frac{7}{8}=q+\frac{1}{2} \\ \\ \text{Subtract }\frac{1}{2}\text{ from both sides} \\ \frac{7}{8}-\frac{1}{2}=q+\frac{1}{2}-\frac{1}{2} \\ \text{Take the LCM of the fractions on the left side} \\ \frac{7-4}{8}=q \\ \frac{3}{8}=q \end{gathered}\)

The answer is

q = 3/8

Option C is the correct answer

Mrs. Hill assigned her students a book report about the most recent novel discussed in class. The following dot plot displays the number of pages written by the students in her 1st period class.

Answers

where the picture at homie

what is 2+2x2
ill give brainliest to the person that gets it correct

Answers

Answer:6

Step-by-step explanation:

Answer:

6.............................

Step-by-step explanation:

State whether the equation has one solution, no solution or indefinitely many solutions

State whether the equation has one solution, no solution or indefinitely many solutions

Answers

Given:

\(-3m+3m=0\)

Required:

We need to solve the given equation.

Explanation:

We know that -3+3=0.

Take the common multiple m outsides from the given equation.

\((-3+3)m=0\)\((0)m=0\)

The equation is true for any number to m.

The solution to the given equation is infinity.

Final answer:

The infinitely many solutions.

Given triangle MAT is an isosceles triangle and point H is the midpoint if MT. Prove triangle MHA is congruent to triangle THA

Answers

Answer:

There is everything in the image

Given triangle MAT is an isosceles triangle and point H is the midpoint if MT. Prove triangle MHA is

The Side-Angle-Side postulate is satisfied. Then the triangle ΔMHA and ΔTHA are congruent with each other.

What is the triangle?

A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.

In an isosceles triangle, the two legs of the triangle are congruent and their opposite angles too.

A triangle MAT is an isosceles triangle and point H is the midpoint of MT.

In triangle ΔMHA and ΔTHA, we have

AH = AH (Common sides)

MH = HT (H is the midpoint of MT)

∠AMH = ∠ATH (Isosceles angles)

The Side-Angle-Side postulate is satisfied. Then the triangle ΔMHA and ΔTHA are congruent with each other.

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Help me to find the vale of x​

Help me to find the vale of x

Answers

Answer:

120

Step-by-step explanation:

2x plus 3x/4 + x =18

add like terms

well first i mutliplied both sides by 4 to get it out of the way

and then i added the x's

so now its 2x+3x+x=180

now its 6x=`180

180/6=120

x=120

Solve the equation for the given variable.
7 – 12 = - 5x
Any help will be great full:)

Answers

Answer:

Step-by-step explanation:

-5 = -5x

1 = x

Can someone please answer and provide an explanation for these problems?

Can someone please answer and provide an explanation for these problems?

Answers

Step-by-step explanation:

The way you can think about volume is that we have some cross sectional area times the height of the solid.

27.

The volume of a square based pyramid is

\(v = {s}^{2} ( \frac{h}{3} )\)

where h is the height of the pyramid

s is the side length of the square base.

S=7

h=12

\(v = {7}^{2} ( \frac{12}{3} ) = 49 \times 4 = 196\)

28. The volume of a rectangular prism

\(v = l \times w \times h\)

where l is length

w is width

h is height

\(v = 11 \times 11 \times 8 = 968\)

29.

Use the same formula in 27

\(v = 100(3) = 300\)

30.

Volume of a Cylinder is

\(v = \pi {r}^{2} h\)

where r is the radius of the circle

where h is the height

r is half of the diameter

The diameter is 22, thus the radius is 11.

\(v = {11}^{2} (8)(\pi)\)

\(v = 968\pi\)

pi is approximately 3.14

\(v = 3041.06\)

31. Volume of A Sphere

\( \frac{4}{3} \pi {r}^{3} = v\)

The radius is half of diamter, thus r=7

\( \frac{4}{3} \pi( {7}^{3} ) = 1436.76\)

Leonard has twice as much money as Danny. If Leonard has x dollars, then Fanny has

Answers

Answer:

lil nas x

Step-by-step explanation:

i say this because he was x so lil nas x is lil

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