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zheka24 [161]
2 years ago
6

Hey did I do this right?

Mathematics
1 answer:
baherus [9]2 years ago
8 0

Answer:Yes

Step-by-step explanation:

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There are 5,280 feet in a mile. If Sarah ran 13,200 feet, then how many miles did she run?
Mademuasel [1]
The answer is 2 1/2 because you take the number of steps which is 13,200 and divide it by how many feet are in a mile which is 5,280.
6 0
3 years ago
Read 2 more answers
-3r-8(8r+8)=-9(-4+9r)​
natulia [17]

Answer:

r= 7.14 (rounded to 2 decimal places)

Step-by-step explanation:

We have to solve this equation for the value of r. We will use distributive property and basic algebra to solve this.

Distributive property is  a(b+c) = ab + ac

Now, the steps of solving are shown below:

-3r-8(8r+8)=-9(-4+9r)\\-3r -64r-64=36-81r\\-67r-64=36-81r\\-67r+81r=36+64\\14r=100\\r=\frac{100}{14}\\r=7.14

Hence, value of r is 7.14 (rounded to 2 decimal places)

8 0
3 years ago
A baby girl weighed 18 lb 10 oz at 11 months and 20 lb 2 oz at 12 months. How much weight did the baby gain during this month?
SVEN [57.7K]

Answer:

B

Step-by-step explanation:

6 oz, 19lb

1 lb, 20lb

2 oz, 20lb 2oz

6oz+2oz+1lb= 1lb 8oz

4 0
2 years ago
The profit for a car company can be represented by the function P=−0.5 x² +4 x+ 12,
luda_lava [24]

Answer:

3x+12

Step-by-step explanation:

-0.5x*2+4x+12

Multiply 0.5x*2=x

= -x+4x+12

Add similar elements -x+4x+12

= 3x+12

4 0
3 years ago
Can I have help with the problem in the picture pls​
Bumek [7]
A is the correct answer !
8 0
2 years ago
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