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kolezko [41]
3 years ago
13

PLS HELP ME ASAP ON QUESTION 7!! (SHOW WORK!!) + LOTS OF POINTS!!

Mathematics
1 answer:
erik [133]3 years ago
7 0
Jeff

3/4 miles in 10 minutes
         times 6

9/2 miles in 1 hour

Barbara

13/16 mile in 15 minutes 
        times 4 
13/4 mile in 1 hour. As a result, Jeff is the faster walker and he will wake 5/4 more miles in 1 hour. Hope it help!
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What number must be added to 15,-6, and 12 to have a mean of 5? Explain.
Genrish500 [490]

You need to add a -1

We can find this by setting up the equation like so

x + (-6) + 12 + 15 / 4 = 5

x + 21 = 20

x = 20 -21

x = -1

Now if we insert -1 where x is located in the equation, you will get a means of 5

3 0
2 years ago
Evaluate 10/16 ÷ 5/16
VikaD [51]

Answer:

2

Step-by-step explanation:

10/16 ÷ 5/16

0.625 ÷ 0.3125

2

8 0
3 years ago
Evaluate the function h(x)= 2x-1 find h(4)
prohojiy [21]

Answer: h(4) = 7

Step-by-step explanation:

Given h(x)= 2x-1

Find h(4)

Solution:

Substitute x = 4 into the equation

h (4) = 2 (4) - 1

h (4) = 8 - 1

h (4) = 7

5 0
3 years ago
What is the surface area of the cylinder with height 4 mi and radius 3 mi? Round your answer to the nearest thousandth.
Norma-Jean [14]

Answer:

The surface area of the cylinder will be "131.88".

Step-by-step explanation:

The given values are:

Height of cylinder,

h = 4 m

Radius of cylinder,

r = 3 m

As we know,

The surface are of cylinder is:

⇒  A_s=2 \pi r(h+r)

On substituting the values, we get

⇒       =2\times 3.14\times 3(4+3)

⇒       =18.84\times 7

⇒       =131.88

5 0
2 years ago
Write the number in standard notation.<br><br> 9 x 10^4
bonufazy [111]
10^4 = 10,000

9 x  10,000 = 90,000
7 0
2 years ago
Read 2 more answers
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