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2 years ago

HELL WYUICKYL PELASE JM BEGGING YOU OLEASEE

Mathematics

1 answer:

Verizon [17]2 years ago

3 0

Answer:

A. 8

Step-by-step explanation:

The angle shown is a 90 degree right angle (shown by the box where the vertex is)

We see that the first angle inside the right angle is 50 degrees, so the other angle must be 40 because the degrees must add up. We can set up an equation here.

$5x=40$

After dividing both sides by 5, we get x = 8

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Will give brainliest 1. What is the formula for experimental probability? 2. What is a trial?

Mariulka [41]

Answer:

1) <u><em>Formula for experimental probability:</em></u>

Experimental Probability = $\frac{No.OfFavourableOutcomes}{No.OfPossibleOutcomes}$

2) Any performance or a random experiment is called a trial.

5 0

2 years ago

Solve 3 -x = 243 -5 1/5 5

Paraphin [41]

Answer:

$x=-243$

Step-by-step explanation:

The equation is

$-3^{-5}=\frac{1}{x}$

Solve for x

we know that

$-3^{-5}=-\frac{1}{3^{5}}=-\frac{1}{243}$

substitute

$-\frac{1}{243}=\frac{1}{x}$

$x=-243$

3 0

3 years ago

Read 2 more answers

$63,000 is what percent of $90,000?

alukav5142 [94]

Answer:

70%

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

I need help please!!!!!!!!!!!!!!!!!!!!!!!!hjdjdjdjdjsjdjjdjdjdjdjjd

BabaBlast [244]

I think it would be A but I'm not sure ._.

4 0

3 years ago

Lily bought 25.29 pounds of grapefruit. The lightest grapefruit weighed 1.4 pounds. The heaviest grapefruit weighed 1.6 pounds.

Gemiola [76]

Answer:

Step-by-step explanation:

GIven that the lightest is 1.4 and the heaviest is 1.6, this implies that ALL the fruit must weigh between 1.4 and 1.6.

This also implies that the average weight of the fruit must also be between 1.4 lb and 1.6 lb.

recall that : average weight = total weight / number of fruit

we are given than total weight = 25.29 lb, so

average weight = 25.29 / number of fruit

Just go down the choices and test which choice gives an average weight between 1.4 and 1.6 lbs.

Choice A: number of fruit = 19

average = 25.29 / 19 = 1.33 (outside of range, not the answer)

Choice B: number of fruit = 17

average = 25.29 / 17 =1.49 (within range , possible answer)

Choice C: number of fruit = 10

average = 25.29 / 10 = 2.529 (outside of range, not the answer)

Choice D: number of fruit = 50

average = 25.29 / 50 = 0.5058 (outside of range, not the answer)

From the above, we can see that only B gives an average between 1.4 and 1.6 lb.

5 0

3 years ago