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navik [9.2K]
3 years ago
7

X+2 x²+1 What’s the answer

Mathematics
1 answer:
Ivan3 years ago
8 0

Answer:

3x^2+1

Step-by-step explanation:

combine terms

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In the given triangle ABC, find DE. answers: 20 5 10 2.5
adell [148]

Answer:

5

Step-by-step explanation:

Let's call the length AD y.

\dfrac{x+2}{y}=\dfrac{8x-14}{2y} \\\\\\2(x+2)=8x-14 \\\\\\2x+4=8x-14 \\\\\\4=6x-14 \\\\\\6x=18 \\\\\\x=3 \\\\\\DE=x+2=3+2=5

Hope this helps!

5 0
3 years ago
Anyone know the answer to these?
Arturiano [62]

Step-by-step explanation:

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8 0
3 years ago
If f(x)=×^2-81andg(x)​
defon

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Answer:

  the correct choice is marked

Step-by-step explanation:

  f(x)\cdot g(x)=(x^2-81)\dfrac{x+9}{x-9}=\dfrac{(x-9)(x+9)(x+9)}{(x-9)}\\\\=\boxed{(x+9)^2}

3 0
3 years ago
Which of the following statements about unit rates is NOT true?
atroni [7]

Answer:

A) A unit rate relates a quantity to 1   : TRUE

B) unit rates can be used to compare two rates  : TRUE

C) any rate is equivalent to its unit rate

. FALSE

D) a unit rate always relates quantities with the same units. FALSE

Step-by-step explanation:

The ratio that which is used to compare quantities of different kinds is known as the rate of that quantity.

A unit rate is  the ratio.

Number of units of the first type of quantity :  Number of units of the second type of quantity.

Now,

A) a unit rate relates a quantity to 1.

TRUE, as  a UNIT is equivalent to one.

Hence, unit rate unit rate relates a quantity to 1.

B) unit rates can be used to compare two rates

.

TRUE, unit rate compares two rates.

C) any rate is equivalent to its unit rate

.

FALSE, only the rate of one single unit is equivalent to its Unit Rate.

D) a unit rate always relates quantities with the same units

FALSE, rate compares the two terms which are in different units.

8 0
2 years ago
Which translation maps the vertex of the graph of the function f(x) = x onto the vertex of the function g(x) = x2 + 2x +1?
Jlenok [28]
I’m gonna be honest I don’t know
5 0
2 years ago
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