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3 years ago

Nine students made models of mars and its moons. The answer is 18. What’s the question?

1 answer:

4 0

The answer would be "Nine students each make 2 models of Mars and its moons. How many models did they make in total?" Since the answer is 18 and there are 9 students (and also since 18 can be divided into 9), you can divide 18 and 9 to get 2. This makes sense because if each student makes 2 models (as stated), there'd be a total of 18 models (as stated in the question you gave). Hope this helped!

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An inch is equal to about 2.54 centimeters. Write an expression who he estimates the number of centimeters in x inches. Then est

trasher [3.6K]

There are 30.48 centimeters in 12 inches.

Step-by-step explanation:

Given,

1 inch = 2.54 centimeters

For x inches;

x inches = 2.54*x centimeters

x inches = 2.54x centimeters

Number of centimeters in 12 inches

We will put x=12

12 inches = 2.54(12) centimeters

12 inches = 30.48 centimeters

There are 30.48 centimeters in 12 inches.

Keywords: multiplication

Learn more about multiplication at:

#LearnwithBrainly

5 0

3 years ago

Please help me with this

Fudgin [204]

The perimeter of the rectangle is 2(2x+5), and the perimeter of the triangle is x+7+x+4+x+11, which simplifies to 3x+22.

Therefore...

3x+22=4x+10

x=12

The perimeter of the rectangle is 2(2(12)+5)=2(24+5)=2(29)=48.

a. x=12

b. The perimeter of each figure is 48.

5 0

3 years ago

Point M is the midpoint of PO. The coordinates of P and M, are given below.<br><br>plz help

Alona [7]

The formula of a midpoint of PQ:

$M\left(\dfrac{x_P+x_Q}{2},\ \dfrac{y_P+y_Q}{2}\right)$

We have M(5, -2) and P(11, -10). Substitute:

$x_M=\dfrac{x_P+x_Q}{2},\ x_M=5,\ x_P=11:\\\\\dfrac{11+x_Q}{2}=5\qquad|\cdot2\\\\11+x_Q=10\qquad|-11\\\\x_Q=-1\\\\y_M=\dfrac{y_P+y_Q}{2},\ y_M=-2,\ y_P=-10\\\\\dfrac{-10+y_Q}{2}=-2\qquad|\cdot2\\\\-10+y_Q=-4\qquad|+10\\\\y_Q=6$

<h3>Answer: Q(-1, 6)</h3>

8 0

3 years ago

There are 600 seniors attending Groover Cleveland High School, 70% of them take ELA. How many seniors are enrolled in ELA?

Sidana [21]

Answer:

420

Step-by-step explanation:

.60

600

-------------

420

7 0

3 years ago

As an estimation we are told 5 miles is 8 km. <br> Convert 13.5 miles to km

almond37 [142]

Answer:

Step-by-step explanation:

5/13.5 x 8/x (cross multiple) 108/5 (divide) = 21.6

8 0

4 years ago

Read 2 more answers