3 years ago

Simplify (-2xsquared-6x-1)(4x-6)

Mathematics

2 answers:

Lilit [14]3 years ago

3 0

Is -8x^3 - 12x^2 + 32x + 6 a possible answer?

Art [367]3 years ago

3 0

Answer:

the answer would be x=-3,x2=0

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To which subsets of real numbers does -22 belong? Chose all the apply

KATRIN_1 [288]

-22 belongs to the set of Integers, rational numbers

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3 years ago

Which expression can be used to represent the phrase “four less than seven”?

alexira [117]

Answer:

4-7 is four less than 7.

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3 years ago

Read 2 more answers

X=4, y= -7, z=9 solve: -2x-3y+z

vesna_86 [32]

Answer:

Step-by-step explanation:

To solve this we can plug the values in.

-2x-3y+z

-2(4)-3(-7)+(9)

Simplify.

-8+21+9

Add.

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3 years ago

I need help with this question!

trasher [3.6K]

It isn't that hard to choose an answer corresponding to an area of 63 ft^2.

A: 35 ft^2

B: 63 ft^2 . . . . . perhaps this one is the correct choice, eh?

C: 99 ft^2

D: 143 ft^2

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3 years ago

If tan e = 1.3, what is the value of cot (90° - 9)?

ella [17]

Answer:

Step-by-step explanation:

We are given that:

$\tan(\theta)=1.3$

And we want to find:

$\cot(90^\circ -\theta)$

Remember that tangent and cotangent are co-functions. In other words, they follow the cofunction identities:

$\tan(\theta)=\cot(90^\circ-\theta)\text{ and } \cot(90^\circ-\theta)=\tan(\theta)$

Therefore, since tan(θ) = 1.3 and cot(90° - θ) = tan(θ), then cot(90° - θ) must also be 1.3.

Our answer is A.

7 0

3 years ago