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3 years ago

Write out the algebraic expression given in each written expression.

Mathematics

2 answers:

evablogger [386]3 years ago

8 0

Answer:

Step-by-step explanation:

1) rewrite 7 plus as

7 +

2) rewrite “the product of 9 and a“ as

9a remembering that a product can be written without a sign that indicates the operation

3) match the two informations

7 + 9a

4) rewrite “is 7” as:

= 7

5) write the final expression

7 + 9a = 7

Ad libitum [116K]3 years ago

7 0

The answer is D. Explanation would be its 7+9a=7

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X = 16 18 34 can someone explain please?

Leno4ka [110]

Answer:

x = 16

Step-by-step explanation:

(whole secant) x (external part) = (tangent)^2

(x+2) * 2 = 6^2

2(x+2) = 36

Divide each side by 2

x+2 = 18

Subtract 2

x+2-2 = 18-2

x = 16

7 0

3 years ago

Read 2 more answers

2.1x10 to the -3 power x 2x10 to the second power

ad-work [718]

Answer:

$4.2*10^{-1}$

Step-by-step explanation:

We want to simplify:

$2.1*10^{-3}\times 2*10^2$

We rewrite to get:

$2.1*2*10^2*10^{-3}\times10^2$

We now apply the laws of indices

$4.2*10^{-3+2}$

We simplify to get $4.2*10^{-1}$

We leave our final answer is scientific form.

The final answer is therefore:

$4.2*10^{-1}$

5 0

3 years ago

What is 80% of 10% of 98.57

garri49 [273]

Answer:

7.8856

Step-by-step explanation:

Do 10% of 98.75 which equals 9.857

Then do 80% of 9.857 which equals to the answer : 7.8856

3 0

3 years ago

GIVING BRAINLIEST!! Please help me, 9th grade level.

Tom [10]

Answer: should be 46!

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3 years ago

If f(a)=-5, what is the value of |f(a)|?

Vikki [24]

|f(a)| , the vertical lines mean absolute value. Absolute value is the positive value of the answer whether it is actually negative or positive.

F(a) is given as -5, so the absolute answer would be 5

The answer is 5

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3 years ago