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3 years ago

Andrew jogged for 50 minutes and covered a distance of 2.2 miles

Mathematics

1 answer:

vodomira [7]3 years ago

4 0

It is 50/2.2 and the answer is 2)22.7 =) get a great score!!!!!

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Two variable inequalities from their graphs Find the inequality represented by the graph

ikadub [295]

Answer:

y ≤ -1/3x + 1

Step-by-step explanation:

The shading is below the line so it is y ≤ and then the slope is -1/3x because when you go down 1 and 3 units to the right, you get another point. And lastly, the y-intercept is 1.

I hope this helps

7 0

2 years ago

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Determine when domain increases

Svetllana [295]

Answer:

Step-by-step explanation:

[0,7)

because the dot is colored in you need to have the bracket

6 0

2 years ago

20 POINS FOR ANSWER!!

inna [77]

Answer: the margin of error is 0.02

Step-by-step explanation:

Confidence interval for population proportion is written as

Sample proportion ± margin of error

If the confidence interval for this population proportion is (0.52, 0.56.), it means that the lower boundary is 0.52 and the upper boundary is 0.56

Let x represent the sample proportion and y represent the margin of error. Therefore,

x - y = 0.52

x + y = 0.56

Subtracting the second equation from the first equation, it becomes

- 2y = - 0.04

y = - 0.04/-2

y = 0.02

7 0

3 years ago

Read 2 more answers

Answers for the 2 boxes please:)

masha68 [24]

Answer:

(5,-5)

Step-by-step explanation:

Eliminate y-term

$(2x + 5x) + ( - 3y + 3y) = 25 + 10 \\ 7x = 35 \\ x = \frac{35}{7} \\ x = 5$

We can eliminate x-term but for this system of equations, eliminating y-term is faster.

Substitute x = 5 in any given equations.

I will choose to substitute in the first equation.

$2x - 3y = 25 \\ 2(5) - 3y = 25 \\ 10 - 3y = 25 \\ 10 - 25 = 3y \\ - 1 5 = 3y \\ 3y = - 15 \\ y = - 5$

Answer Check

Substitute both x-value and y-value in any given equations

$2x - 3y = 25 \\ 2(5) - 3( - 5) = 25 \\ 10 + 15 = 25 \\ 25 = 25$

The equation is true. (It is better to check both the answer for both equation.)

Thus the answer is (5,-5)

6 0

3 years ago

Last year Frank had a total income of $58,800. He sold a house and made a profit of $27,940. He also had monthly income of $80 f

xeze [42]

I think the answer would have to be D. $0.90.

59,970-58,800=1,170
1,170/52=22.5/25=0.90

3 0

3 years ago

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