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3 years ago

Help please and thank you (is also my bday haha)

Mathematics

1 answer:

Marysya12 [62]3 years ago

5 0

Answer:

the center point of the cross in the middle

Step-by-step explanation:

I forgot how to explain it, but im 99.99% sure thats the right answer. also, happy birthday

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If f(x)=4-11 what is the value of f(5)

Sveta_85 [38]

f(5) = 9

Do this by substitution:

f(x) = 4x - 11

f(5) = 4(5) - 11

f(5) = 20 - 11

f(5) = 9

3 0

3 years ago

A runner increased her distance from 9 miles to 12.5 miles a week. Find the percent increase in mileage.

kondor19780726 [428]

Answer:

39 percent is increase in mileage.

Thus, the correct option is B. 39%.

Step-by-step explanation:

Given:

A runner increased her distance from 9 miles to 12.5 miles a week.

Now, to find percent increase in mileage.

Previous mileage = 9 miles.

Present mileage = 12.5 miles.

Mileage increase = 12.5 - 9 = 3.5 miles.

Now, to get the percent increase in mileage:

$\frac{Mileage\ increased}{previous\ mileage} \times 100$

$=\frac{3.5}{9} \times 100$

$=\frac{350}{9}$

$=38.88\%.$

Approximately the percent increase = 39%.

Therefore, 39% is increase in mileage.

Thus, the correct option is B. 39%.

4 0

3 years ago

What’s the slope of the line of (5,2) and (8,7)

riadik2000 [5.3K]

Answer:

The Answer is

5/3

6 0

3 years ago

If a dart were thrown randomly at the dart board shown below, what is the

klemol [59]

Answer: A. 31%

Step-by-step explanation:

First you need to find the area within each circle. This can be found by using the formula: pi * r^2

The area of the circle with radius 8mm is 64 * pi. The area of the circle with radius 14mm is 196 * pi.

196 * pi = 615.75216

64 * pi = 201.06193

Now divide the larger area by the smaller area to get how many times larger the large area is than the small area.

615.75216 / 201.06913 = 3.06239

3.06239 rounds up to 3.1

Now we know the radius of 14mm has an area 3.1 times the area of 8mm. The area of an 8mm radius has 31% of the area of a 14mm radius.

5 0

3 years ago

The store bought a pair of shoes for $50, and sold it for $80. What percentage was the markup?

trasher [3.6K]

Answer:

The correct answer is 60%.

Step-by-step explanation:

We know that the store had a profit of $ 30 for the pair of shoes sold.

Now we must transform that $ 30 into a percentage.

And one of the ways in which we can calculate this percentage is with the following percentage formula:

$P= \frac{B}{A} . 100%$

P is the percentage we want to calculate.

The number B is the profit we have obtained, 30

And number A is the total of the product, 50

Thus:

$P= \frac{30}{50} . 100%\\$

$P= 0,6 . 100 %$

P= 60 %

Given this information, we can say that the percentage markup is 60%.

7 0

3 years ago