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2 years ago

-2+(-7)= What is the answer? HELP!!!!!!!!!

Mathematics

1 answer:

Elodia [21]2 years ago

6 0

Answer:

-9

Step-by-step explanation:

- 2 + ( - 7 )

- 2 - 7 = -9 ( Answer)

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What is f(–3) for f(x) = 2x2 – x + 5? A) 11 B) 17 C) 20 D) 26

nirvana33 [79]

Answer: D

Step-by-step explanation:

f(x) = 2x² - x + 5

f(-3) = 2(-3)² - (-3) + 5

= 2(9) + 3 + 5

= 18 + 3 + 5

= 26

6 0

2 years ago

Please help me with these 2 questions. 50 points

Flura [38]

Answer:

if you are looking for the area this are the answers

Step-by-step explanation:

4: $125yd^{2}$

how: .5 x 25 x 10 = 125

/////////////////////////////////////

5: $104m^{2}$

how: .5 x 16 x 13 = 104

remember to put the ".5" when you are multiplying

I hope this help you

have a good night :)

7 0

2 years ago

PLEASE HELP

algol13

Independent events mean that one event happening does not have to have the other event to happen.

The probability of both events happening is the product of the events.

The answer would be:

E. P(A ∩ B) = P(A) x P(B)

8 0

3 years ago

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The components of vector A are (10.5, 10.2). Waht is the magnitude of the vector?

Nataly_w [17]

Answer:

$||\overrightarrow{v}||\approx14.64$

Step-by-step explanation:

The magnitude of a vector $\displaystyle \overrightarrow{v}=\langle x,y\rangle$ is $||\overrightarrow{v}||=\sqrt{x^2+y^2}$ , which essentially describes the length of the vector itself between the initial and terminal points:

$||\overrightarrow{v}||=\sqrt{x^2+y^2}\\\\||\overrightarrow{v}||=\sqrt{(10.5)^2+(10.2)^2}\\\\||\overrightarrow{v}||=\sqrt{110.25+104.04}\\\\||\overrightarrow{v}||=\sqrt{214.29}\\\\||\overrightarrow{v}||\approx14.64$

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1 year ago

_____ terms are also expressions.

Lubov Fominskaja [6]

Answer:

Some.

Terms that include a number and a letter are expressions.

4 0

2 years ago

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