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3 years ago

Any help please? :( i really need it

Mathematics

2 answers:

Alika [10]3 years ago

6 0

The answer is F(22.5)

Aloiza [94]3 years ago

4 0

Yes! All you have to do is set up some ratios. Since the triangles are similar,

If you put 15 over 12 (15/12) then you would put x over 18 (x/18)

Then cross multiply!
(Shown above)

Your answer is x = 22.5

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First combine the like terms in 4F + (-21)+10 F

vovikov84 [41]

Answer:

7(2f-3)

No step-by-step explanation.Sorry!

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2 years ago

The difference of two trinomials is x2 − 10x + 2. If one of the trinomials is 3x2 − 11x − 4, then which expression could be the

12345 [234]

Answer:

$4x^2-21x-2$

Step-by-step explanation:

Given that:

Difference of two trinomials is $x^2 - 10x + 2$

One of the two trinomials is $3x^2 - 11x - 4$

To find:

The other trinomial = ?

Four options are:

$2x2 - x - 2 \\2x2 + x + 6 \\4x2 + 21x + 6\\ 4x2 - 21x - 2$

Solution:

Let the two trinomials be A and B.

Given A - B = $x^2 - 10x + 2$

B = $3x^2 - 11x - 4$

We have to find the other trinomial A.

A - B = $x^2 - 10x + 2$

A - ( $3x^2 - 11x - 4$ ) = $x^2 - 10x + 2$

$\Rightarrow$ A = $x^2 - 10x + 2$ + ( $3x^2 - 11x - 4$ )

$\Rightarrow$ A = $4x^2-21x-2$

So, the correct answer is $4x^2-21x-2$ .

3 0

3 years ago

A manufacturer of lawnmowers wanted to know the most important product attributes to consumers. The company's research team deve

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Answer: Ordinal measurement scale

Step-by-step explanation:

In ordinal measurement scale the order of values or variables are very important. Just as in the case above, the rating from 1-3 is according to the order of it's importance.

Thanks

7 0

2 years ago

How do I find the area of a circle when the circumference is 58 pie

aksik [14]

C=2 $\pi$ r
A= $\pi$ r²

C=2 $\pi$ r=58 $\pi$
2r=58
r=29

A= $\pi$ r²
A=29² $\pi$
A=841 $\pi$

8 0

2 years ago

Read 2 more answers

Rose is drawing a portrait for her art class. She is using a sheet of paper what is 6 inches wide and 12 inches long. What is th

rosijanka [135]

Answer:

0.5 ft^2

Step-by-step explanation:

The area in square inches is (6 in )(12 in) = 72 in^2.

Recall that 1 ft^2 = 144 in^2.

Then

72 in^2 1 ft^2

--------------- * --------------- = 0.5 ft^2

1 144 in^2

6 0

3 years ago