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makkiz [27]
3 years ago
5

1) BRAINLIEST AND 12 + POINTS! :)

Mathematics
1 answer:
NARA [144]3 years ago
5 0

Answer:

Step-by-step explanation:

ESPERA ESTA EN MI BOOK

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the runner's time to complete the marathon is 45 minutes. The time to complete the last marathon was 49.5 minutes. What is the p
Lana71 [14]

Answer:

9.09%

Step-by-step explanation:

To find percent decrease you have to use this equation:

Percent Decrease = \frac{Initial -New}{Initial} x 100

Initial = 49.5

New = 45

Plug in and solve:

PD = \frac{49.5-45}{49.5} x 100\\\\PD = \frac{4.5}{49.5} x 100 \\\\PD = 0.0909 x 100\\\\PD = 9.09

The percent decrease is 9.09%

<em>Hope this helps!!</em>

<em>- Kay :)</em>

6 0
3 years ago
Which equation could be used to find the area in square inches of a circle with a radius of 8 inches?
zzz [600]

Answer:

201.06 square inches.

Step-by-step explanation:

The equation to use to find the Area of a circle is given as

πr²

Where r = radius of the circle

In the question, we are given the radius of the circle = 8 inches

Area of the circle = π × 8²

= 201.06 square inches.

4 0
2 years ago
A women buys 23 pounds of potatoes. She gives 10% of them to a neighbor and 15% of them to her mother. How many pounds dose she
vlabodo [156]

Answer:

= 17.25 pounds (Answer)

Step-by-step explanation:

Potatoes she bought = 23 pounds

Amount she gave outsiders= 10+15=25%

= 23×25/100= 23/4=5.75 pounds

Potatoes left with her= 23 — 5.75

= 17.25 pounds (Answer)

4 0
2 years ago
Read 2 more answers
8. Write an equation for the graph in slope-
MrMuchimi

Answer:

The answer is D

Step-by-step explanation:

the y is +10

slope is -1/3

8 0
3 years ago
A board game that normally costs $30 is on sale for 25 percent off. What is the sale price of the game?
Paha777 [63]

We can use two different ways to solve this equation:

Because the board is 25 off, we can multiply the price and subtract the result:

30 - 0.25(30) = 30 - 7.5 = $22.50

We can also solve by multiplying the total price by 0.75

(1 - 0.25)(30) = 0.75(30) = $22.50

The sales price is $22.50

4 0
3 years ago
Read 2 more answers
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