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ivanzaharov [21]
3 years ago
7

Nina can stitch 2/3 of a dress in 4 hours. If d represents the number of dresses and h represents the number of hours, which equ

ation represents this proportional relationship
Mathematics
1 answer:
erma4kov [3.2K]3 years ago
5 0

Answer:

<h2><em><u>D=4 hrs</u></em></h2>

Step-by-step explanation:

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7a = 28 Is a=21 a solution?<br> yes or no
MakcuM [25]

Answer: not a solution

Step-by-step explanation: 7a = 7 * 21 which does not equal 28, it equals 147, 7 * 4= 28, so actually a=4

Hope this helps :)

3 0
3 years ago
What is the reflection image of R across the y-axis?
stealth61 [152]
Should be (3,2)

You only need to inverse your x coordinate.

3 0
4 years ago
Read 2 more answers
Nikki packed unit cubes into a prism, as shown. Which statement about the volume of the box is true?
elena-14-01-66 [18.8K]

See the explanation

<h2>Explanation:</h2>

Hello, recall that you need to write complete questions in order to get exact answers. Here we have a missing diagram so I can help you in a general way. A prism is a three dimensional shape that has two identical ends (flat faces

) and the same cross section all along its length. A cube is a special type of prism having six identical square sides. So the volume of a prism given the length of a side as s is:

V=s^3

For example, suppose we have a box formed by unit cubes as indicated in the figure below, so the length of one side of the blue box will be:

s=1+1+1+1+1+1+1+1=8units

So the volume of the blue box is:

V=8^3 \\ \\ V=512units^3

<h2>Learn more:</h2>

Cube: brainly.com/question/12539359

#LearnWithBrainly

3 0
3 years ago
A sphere has a diameter of 22 units what is the radius and volume
lilavasa [31]

Answer:


Step-by-step explanation:

11

7 0
3 years ago
Brian cut a piece of cardboard in the shape of a trapezoid the area of the cut out is 43.5 cm² if the bases are 6 cm And 8.5 cm
Likurg_2 [28]

Answer: the height of the trapezoid is 6 cm

Step-by-step explanation:

The formula for determining the area of a trapezoid is expressed as

Area = 1/2(a + b)h

Where

a and b are the length of The bases are the 2 sides of the trapezoid which are parallel with one another.

h represents the height of the trapezoid.

From the information given,

a = 6 cm

b = 8.5 cm

If the area of the cut out is 43.5 cm², then

53.5 = 1/2(6 + 8.5)h

Cross multiplying by 2, it becomes

43.5 × 2 = (6 + 8.5)h

87 = 14.5h

h = 87/14.5 = 6 cm

8 0
3 years ago
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