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2 years ago

Write as an algebraic expression: Two less than two times a number (y).

Mathematics

1 answer:

Nataly [62]2 years ago

3 0

Answer:

2y-2

Step-by-step explanation:

As it says a number is less than 2 times a number which is given as y.

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X^4-28x^2=0 solve algebraically

Paha777 [63]

$x^4 - 28x^2 = 0$

$x^2(x^2 - 28) = 0$

$x^2 = 0 \ \ or \ \ (x^2 - 28) = 0$

$x = 0 \ \ or \ \ x^2 = 28$

$x = 0 \ \ or \ \ x = \pm \sqrt{28}$

$x = 0 \ \ or \ \ x = \pm2 \sqrt{7}$

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Answer : x = 0 or 2√7 or -2√7
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8 0

2 years ago

What is the slope of the line? <br> -2/5 <br> 2/5 <br> 5/2 <br> 1/3

oksano4ka [1.4K]

Answer:

Step-by-step explanation:

(0, 3) (5, 1)

(1-3)/(5-0) = -2/5 is the slope

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3 years ago

Read 2 more answers

Please answer the question in the photo:

Vika [28.1K]

Answer:

$\fbox{8x+36}$

Step-by-step explanation:

1. Use the distributive property to write the problem without parentheses. The distributive property says that you can multiply a number next to parentheses by all the numbers inside parentheses. The picture below explains.

$4(2x+9)=\\\\(4*2x)+(4*9)=\\\\4(2x+9)= 8x+36$

Therefore, your answer is

$\fbox{8x+36}$

6 0

2 years ago

Hiii answer 80, 81, 84 please!!

Westkost [7]

I know this is not technically answering your question but there is this app called photomath that I'm pretty sure could help u answer this question. hope if u try out the app it works for you.....

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2 years ago

AACB ~AEFD<br> x = [?]<br> Enter your answer in decimal form.

tia_tia [17]

Answer:

Solution,

∆ ACB = ∆ EFD

finding the value of X,

$\frac{x}{3.8} = \frac{15}{5}$