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2 years ago

John walk 8 miles in three hours. Jim walked 14 miles in five hours. Are these rates in poor portion? If no, who walked faster?

Mathematics

1 answer:

Lady bird [3.3K]2 years ago

3 0

Answer:

No they are not, Jim walked faster.

Step-by-step explanation:

8/3 = 2.667 mp/h

14/5 = 2.8 mp/h

So Jim walked .13 mp/h faster than John

^.^

- Amanda

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Tyler does squats and pushups. He wants to increase the number of each type of exercise by 20% by the end of the month. He curre

Semenov [28]

Answer:

Tyler currently does 40 squats

Step-by-step explanation:

Tyler does squats and pushups.

Currently:

Number of pushups = 25

Number of squats = x

Total number = 25 + x

After increase:

Number of pishups $=25\cdot (1+0.2)=1.2\cdot 25=30$

Number of squats $=x\cdot (1+0.2)=1.2x$

Total number $=30+1.2x$

If Tyler meets his goal, he will do a total of 13 more squats and pushups than he does now, thus

$(30+1.2x)-(25+x)=13\\ \\30+1.2x-25-x=13\\ \\1.2x-x=13-30+25\\ \\0.2x=8\\ \\2x=80\\ \\x=40$

6 0

2 years ago

Seven times the sum of a number 9 and 2 equals . WRITE AS AN EQUATION

kramer

Answer:

7×11=77

Step-by-step explanation:

9+2=11

7×11=77

3 0

2 years ago

Read 2 more answers

Determine the product, h (x), of the linear and quadratic factors.

Wewaii [24]

$h(x) =8x^3-19x^2+14x-3$

Step-by-step explanation:

Given functions are:

$f(x) = 8x-3\\g(x) = (x-1)^2$

h(x) is the product of g(x) and f(x)

$h(x) = f(x) * g(x)\\= (8x-3)(x-1)^2\\= (8x-3)(x^2-2x+1)\\= 8x(x^2-2x+1)-3(x^2-2x+1)\\= 8x^3-16x^2+8x-3x^2+6x-3$

Combining like terms

$=8x^3-16x^2-3x^2+8x+6x-3\\=8x^3-19x^2+14x-3$

Hence,

$h(x) =8x^3-19x^2+14x-3$

Keywords: Functions, product

Learn more about functions at:

#LearnwithBrainly

8 0

2 years ago

Solve the equation

Zina [86]

Answer: the equivalent equation is found by distributing the 1/4 to get 4+3x=28

the first step is subtract 4 to both sides

the second step is divide both sides by 3

the answer is x=8

Step-by-step explanation:

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2 years ago

a box contains three pens two markers, and one highlighter. Tera selects one item randomly and does not return it to the box, th

Anna [14]

Answer:

For the pen 3/6 and for the marker 2/6

Step-by-step explanation:

Hope this helps

6 0

3 years ago