4 years ago

Which of the following can be added to the number indicated on the number line above to sum to 0?

Mathematics

1 answer:

gulaghasi [49]4 years ago

3 0

Answer is a because it is over 4 and it is a negative

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Written as a simplified polynomial in standard form, what is the result when (3x+7)^2 is subtracted from 3?

nadezda [96]

Given:

$(3x+7)^2$ is subtracted from 3.

To find:

The result of the given statement in the standard form of the polynomial.

Solution:

We need to find the result when $(3x+7)^2$ is subtracted from 3.

So, the resulted polynomial can be written as:

$P(x)=3-(3x+7)^2$

On simplification, we get

$P(x)=3-((3x)^2+2(3x)(7)+(7)^2)$ $[\because (a+b)^2=a^2+2ab+b^2]$

$P(x)=3-(9x^2+42x+49)$

$P(x)=3-9x^2-42x-49$

$P(x)=-9x^2-42x-46$

Therefore, the resulted polynomial in standard form is $-9x^2-42x-46$ .

7 0

3 years ago

PLEASE HELP ASAP A glass stand to display a doll is in the shape of a right triangular pyramid. The area of the base is 40.5 squ

Effectus [21]

Answer: $202.5\ in.^3$

Step-by-step explanation:

Given

The area of the base is $A=40.5\ in.^2$

height of the triangular prism is $h=15\ in.$

The volume of a triangular prism is $V=\dfrac{1}{3}Ah$

The volume of given Prism is

$V=\dfrac{1}{3}\times 40.5\times 15=202.5\ in.^3$

The volume of the triangular prism is $202.5\ in.^3$

8 0

3 years ago

Find the complete factorization of the expression. 15xz + 21yz

ss7ja [257]

The answer would be 3z(5x + 7y)

8 0

4 years ago

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Blizzard [7]

Answer:

1 -5

don't know the answer of q2 and q3

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3 years ago

15% a football originally priced at $18.00

lesantik [10]

Answer:

2.7

Step-by-step explanation:

15% of 18.00 is 2.7

7 0

3 years ago