3 years ago

Helppppo plzn wkjejws

Mathematics

2 answers:

Tamiku [17]3 years ago

4 0

Answer:

Step-by-step explanation:

zysi [14]3 years ago

4 0

Can someone help me its 100 points with a brainlist if you do brainly.com/question/17705021

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Find the number to add to x^2-18x

pentagon [3]

Answer:

A. add 81; $(x-9)^2$

Step-by-step explanation:

The perfect square formula

$(a-b)^2=a^2-2ab+b^2$

Rewrite expression $x^2-18x$ as follows:

$x^2-2\cdot 9\cdot x$

So, to form a perfect square, $+9^2$ is missed.

When we add $9^2=81,$ we will get

$x^2-2\cdot 9\cdot x+9^2=(x-9)^2$

4 0

2 years ago

40 POINTS!!!! ANSWER CORRECTLY PLZ

Grace [21]

Answer:

5. ○ $\displaystyle \frac{25}{48}$

4. ○ $\displaystyle \frac{25}{46}$

3. ○ $\displaystyle \frac{31}{100}$

2. ○ $\displaystyle \frac{3}{4}$

1. ○ $\displaystyle \frac{27}{50}$

Step-by-step explanation:

5. $\displaystyle \frac{25}{23 + 25} = \frac{25}{48}$

4. $\displaystyle \frac{25}{46} = \frac{25}{21 + 25}$

3. $\displaystyle Flat-out\:given\:to\:you$

2. $\displaystyle \frac{21 + 23 + 31}{100} = \frac{75}{100} = \frac{3}{4}$

1. $\displaystyle \frac{31 + 23}{100} = \frac{54}{100} = \frac{27}{50}$

I am joyous to assist you anytime.

7 0

3 years ago

The dance committee has a budget of $125 to decorate the gym for the spring dance. They have already spent $65. Some members wan

Georgia [21]

Answer:60 balloons

Step-by-step explanation: 0.80 times 75 is 60 and 125- 65 is 60

6 0

2 years ago

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Need help answering this math problem <br> X-5/4=-9/5 then x =

Mrac [35]

I’m pretty sure the answer is -1

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2 years ago

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What is the solution to x-16=-12??

zhannawk [14.2K]

Plus 16 on both side and negative 12plus 16 is 4 so x equals 4

4 0

3 years ago

Helppppo plzn wkjejws​

Helppppo plzn wkjejws