3 years ago

200 - 50 - [4 x (3+5)]

Mathematics

1 answer:

Juliette [100K]3 years ago

3 0

Answer:

122

Step-by-step explanation:

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HELP!!!! I need an answer soon, please!!! I will give Brainliest!!!!

sattari [20]

Answer:

180

Step-by-step explanation:

In this drawing I made, I added some variables. a and d are complimentary, meanwhile b and c are complimentary. A straight line is an angle of 180 degrees. Therefore, a + b = 180.

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3 years ago

A tablecloth for a round table has a radius of 21 inches. What is the area of the tablecloth? Use 22/7 for pi

Mekhanik [1.2K]

Your formula here is A=pir^2
Plug in the numbers but instead use 22/7 for pi
A=(22/7)(21)^2
A=22/7*441=1386

Answer is 1386 sq inches

8 0

3 years ago

To solve the equation x ^2 - 2x = 3 by the technique of completing the square, you would add 4 to each side of the equation as o

Karolina [17]

Answer:

x = -1

x = 3

Step-by-step explanation:

$\sf x^2 - 2x = 3$

Add 1 to both sides:

$\sf \implies x^2 - 2x+1 = 3+1$

Factor the left side:

$\sf \implies (x-1)^2 = 4$

Square root both sides:

$\sf \implies x-1 = \pm2$

Therefore:

$\sf \implies x-1=-2 \implies x=-1$

$\sf \implies x-1=2 \implies x=3$

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2 years ago

0.03 × n = 0.018 what does n equal? pls answer I give brainliest

PIT_PIT [208]

Answer:

0.6

Step-by-step explanation:

To find the answer, do 0.018 divided by 0.03 which equals 0.6

Hope this helps you!! :)

n= 0.6

7 0

3 years ago

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Which is a recursive formula for the sequence 99.4, 0, –99.4, –198.8, where f(1) = 99.4?

xenn [34]

f(n + 1) = f(n) – 99.4, n ≥ 1

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3 years ago

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