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3 years ago

Someone Help I will give Branlist for whoever answers first!!!

Mathematics

2 answers:

Assoli18 [71]3 years ago

6 0

Answer:

A its like, getting a plate before you make a sandwich, you have to get a plate first, or else you can't start making your sandwich.

Step-by-step explanation:

you don't have to give brainliest, im just helping lol

Tema [17]3 years ago

6 0

Find the b
Because yea

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Scientists bounce a laser beam off a mirror. It reflects at the same angle as it hits the

Paul [167]

Answer and Step-by-step explanation:

Simply use triangles to find the length of the lasers.

The first triangle consists of the sides of 12 inches, 18 inches, and the laser (which is the hypotenuse).

Use the <u>Pythagorean theorem</u> to solve for the hypotenuse.

( $a^{2}+ b^{2} = c^{2}$ )

$12^{2} +18^{2} = l^{2} \\\\144 + 324 = l^{2} \\\\468 = l^{2} \\\\Square-root-both-sides\\\\\ \\\sqrt{468} = l$

l ≈21.633

Now, we solve the other triangle.

$9^{2} +6^{2} = l^{2} \\\\81 + 36 = l^{2} \\\\117 = l^{2} \\\\Square-root-both-sides\\\\\sqrt{117} =l\\l = 10.8167$

Now, add those two hypotenuses.

21.6333 + 10.8167 = 32.45

32.45 rounds up to 32.5

32.5 is the total distance the laser beam travels.

#teamtrees #WAP (Water And Plant)

7 0

3 years ago

What equation has the same slope as y=-3x-4 and a y intercept of 5

Naily [24]

Answer:

0=-3*4+b Add 3*4=12

Step-by-step explanation:

7 0

3 years ago

7/8 + (-2/3)

irakobra [83]

Ok, lets start with the top.

7/8 + (-2/3)

Thats equal to

7/8 - 2/3

The common denominator will be 24

21/24 - 16/24

Subtract

5/24

Now, to divide you multiply by the reciprocal, so

5/24 / 5/6

Becomes

5/24 * 6/5

Cross simplify and get your answer

1/4

7 0

3 years ago

Which is a factor of 2x2y4 − 10x2y + 14y3 − 70?

andrew11 [14]

Answer:

B) x^2y + 7

Step-by-step explanation:

we are given

$2x^2y^4-10x^2y+14y^3-70$

We can use grouping method to factor it

$(2x^2y^4-10x^2y)+(14y^3-70)$

$(2x^2y\times y^3-5\times 2x^2y)+(14y^3-14\times 5)$

now, we can factor common terms

$2x^2y(y^3-5)+14(y^3-5)$

$(y^3-5)(2x^2y+14)$

so, we get

$2x^2y^4-10x^2y+14y^3-70=(y^3-5)(2x^2y+14)$

$2x^2y^4-10x^2y+14y^3-70=(y^3-5)2(x^2y+7)$

$2x^2y^4-10x^2y+14y^3-70=2(y^3-5)(x^2y+7)$

we can see that x^2y+7 is one of factor

7 0

3 years ago

What is the area, in square cm, of a rectangle with a length of 5.6 cm and a width of 6 cm? *

julsineya [31]

Answer:

I think its 30.36

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers