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3 years ago

HURRY I NEED HELP ILL GIVE YOU THE BRAINLIEST COME ON PLEASE!!!!!!!!

Mathematics

2 answers:

xz_007 [3.2K]3 years ago

6 0

The answer is a = 132.93 cm2

aniked [119]3 years ago

6 0

Answer:

502.5pi or 1578.1415

Step-by-step explanation:

find area of one triangle (BH divided by 2), then multiply it by two since there are two, then find area of circle(pir^2), divide in half because it is a semi-circle, add the areas together

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Compute the following without using a calculator. You must show your work to receive full credit.

Tomtit [17]

Answer: 50,001²-49,999²=0,2.

Step-by-step explanation:

$50,001^2-49,999^2=(50,001+49,999)*(50,001-49,999)=100*0,002=0,2.$

3 0

2 years ago

(5-(-4)^2)^2)

stepladder [879]

Answer:

121

Step-by-step explanation:

You are missing a parentheses

Assuming you just mean to close the parentheses

((5-(-4)^2)^2)

The first step is to complete the inside parentheses

PEMDAS

(5-(-4)^2)

Do the exponents first

(5-(16))

-11

Put this in the equation for (5-(-4)^2)

(-11) ^2

121

6 0

2 years ago

X/-5=-20 A -100 or 100 B -4 or 4 C 100 D no solution

alexgriva [62]

Move the negative sign to the left

-x/5 = -20

Multiply both sides by 5

-x = -20 × 5

Simplify 20 × 5 to 100

-x = -100

Multiply both sides by -1

x = 100

C. 100

4 0

3 years ago

Read 2 more answers

Which expression is equivalent to the following expression? 10x + 3(8 - 7x)

Paladinen [302]

It is -11x + 24 because you multiply the numbers in the parentheses by 3 then collect like terms 10x +24 - 21x then you do 10x minus 24x and you get -11x+24

7 0

3 years ago

The percentage of people under the age of 18 was 23.5% in New York City, 25.8% in Chicago, and 26% in Los Angeles.

Hatshy [7]

Answer:

0.0158 = 1.58% probability that all of them are under 18.

Step-by-step explanation:

Probability of independent events:

If three events, A, B and C are independent, the probability of all happening is the multiplication of the probabilities of each happening, that is:

$P(A \cap B \cap C) = P(A)P(B)P(C)$