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galina1969 [7]
2 years ago
7

Natasha used 21 square tiles to make a rectangle. Which of the following could be the dimensions of her rectangle?

Mathematics
2 answers:
laiz [17]2 years ago
7 0

Answer:  B. 7x3

This is because 7 times 3 = 21. The other answer choices do not multiply to 21.

Think of it like having 7 rows and 3 columns to give 21 squares overall to make this larger rectangle.

EleoNora [17]2 years ago
3 0

Answer:

7×3

Step-by-step explanation:

option b

i hope it is helpful for you

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. Explain why projectile motion, such as kicking a ball off the top of building, has a curved path. Identify the two forces invo
deff fn [24]

The initial kick is the first force applied to the ball. It sends the ball up into the air (at some angle). If gravity wasn't present, then the ball would go upward forever in a straight line. However, gravity is the second force pulling down on the ball. This explains why the ball hits some peak point or highest point before it is pulled to the ground. Overall, the path the ball takes is a parabolic arch.

In short, the two forces are the initial kick and gravity.

side note: technically air resistance (aka air friction or drag) is a force being applied since the air pushes against the ball to slow it down, but often air resistance is really complicated and beyond the scope of many math courses. So your teacher may want you to ignore air resistance.

Another note: the initial kick is a one time force that only happens at the beginning. Once the ball is in the air, that force isn't applied anymore. In contrast, the force of gravity is always present and always pulling down. It's probably incredibly obvious, but it's worth pointing out this difference.

4 0
3 years ago
Molly had a $12 gift card to download music. She bought 8 songs that each cost the same amount. Write a variable equation, then
Ghella [55]

Answer:

Molly paid for each song $1.5

Step-by-step explanation:

Let

x ------> amount that Molly paid for each song

we know that

The amount that Molly paid for each song multiplied by 8 is equal to the gift card value

so

The linear equation that represent this problem is

8x=12

Solve for x

Divide by 8 both sides

x=12/8

x=\$1.5

Molly paid for each song $1.5

4 0
3 years ago
Which step can you use to solve the equation m+9=-2? <br> please help !!
nexus9112 [7]

Answer:

Subtract 9 from each side of the equation.

m = – 11

Step-by-step explanation:

m + 9 = – 2

To solve the above equation, we simply subtract 9 from each side of the equation.

This is illustrated below:

m + 9 = – 2

Subtract 9 from each side of the equation

m + 9 – 9 = – 2 – 9

m + 0 = – 11

m = – 11

Therefore, the value of m is – 11

6 0
3 years ago
Divide.
chubhunter [2.5K]
I would think it is b sorry if im wrong

3 0
3 years ago
You made some snacks for a party. You have 24 cheese snacks, 18 yogurt snacks, and 32 vegetable snacks. Total number of snacks.
Papessa [141]
The answer is 74 snacks.
24+32 =56
56+18=74
3 0
3 years ago
Read 2 more answers
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