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3 years ago

9

Please help with these questions... I've been trying to figure them out for like twenty minutes and at this point I just don't h

ave the energy anymore... I will pick brainliest! Always do...

1 answer:

vlada-n [284]3 years ago

3 0

Answer:

1. y=2x^2-8X-1

2. y=-6x^2+36x-63

3. y=-3x^2+18x-34

4. y=9x^2+54x+76

5. y=-x^2+8x-22

6. y=6x^2-48x+90

7. y=8x^2+16x+5

8. y=2x^2-8x+1

Have a great day :)

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The sum of three consecutive odd intergers is 17 less that four the smallest interger?

dem82 [27]

Answer:

The integers are 23, 25, 27

Step-by-step explanation:

the sum of three consecutive odd integers

$S = x + (x+2) + (x + 4)\\$

17 less than four the smallest integer

$S = 4x-17$

Now set them equal and solve

$4x-17 = 3x + 6\\x = 23$

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4 years ago

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3 years ago

Multiply and simplify. (3x+5)(2x2−3x+2) Enter your answer, in standard form, in the box.

Sveta_85 [38]

Answer:

$6x^3+x^2-9x+10$

Step-by-step explanation:

We have the product, $(3x+5)(2x^{2}-3x+2)$ .

On simplifying the product, we get,

$(3x+5)(2x^{2}-3x+2)$

i.e. $6x^3-9x^2+6x+10x^2-15x+10$

i.e. $6x^3+x^2-9x+10$

Thus, the standard form of the product $(3x+5)(2x^{2}-3x+2)$ is $6x^3+x^2-9x+10$ .

7 0

3 years ago

Read 2 more answers

Does anyone know what I am missing to get the final mark? Any ideas would be much appreciated :)

Law Incorporation [45]

Answer: Isosceles

<u>Step-by-step explanation:</u>

Given: AB || DE , BC is a transversal

∠ABC ≅ ∠BCE by Alternate Interior Angles Theorem --> ∠BCE = 80°

∠DCA, ∠ACB, & ∠BCA are supplementary --> ∠ACB = 50°

By the Triangle Sum Theorem, ∠A+∠B+∠C = 180° --> ∠CAB = 50°

Triangle is isosceles because ∠A ≅ ∠C

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4 years ago