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3 years ago

9

Help please... almost done.

2 answers:

lina2011 [118]3 years ago

5 0

Step-by-step explanation:

<h3>→ R (1,-6)</h3>

<h3>→ S (2,-6)</h3>

<h3>→ T (0, -3)</h3>

solmaris [256]3 years ago

3 0

Answer:

S: 2,-7

T: 0,-4

R: 1,-7

Step-by-step explanation:

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(2x^3+10x^2)/(x^2+x-20) divided by (2x^2)/(x-4)

Nutka1998 [239]

Answer:

1

Step-by-step explanation:

Who knew the answer would be 1 LOL

hope this helps :)

8 0

3 years ago

I’m confused on this one

dedylja [7]

It's a parallelogram so if one angle is 90 degrees they all will be because of transverse angles and all that good stuff.

So we're given the diagonal of a rectangle and one side and we're asked to find the other. The diagonal of a rectangle is the hypotenuse of the right triangle whose legs are the sides of the rectangle. So this is a Pythagorean Theorem question in disguise:

$AB^2 + AD^2 = BD^2$

$AD^2 = BD^2 - AB^2$

$AD = \sqrt{ BD^2 - AB^2 }$

$AD = \sqrt{149^2 - 51^2} = \sqrt{19400} = 140$

Answer: 140 cm

I don't recall seeing this Pythagorean Triple before.

3 0

3 years ago

What is 511,400 in scientific notation

krok68 [10]

Answer:

511,400 = 5.114 * 10^5

4 0

3 years ago

The triangular base of the given prism has an interior angle with a measure of 80° and an interior angle with a measure of 55°.

Tju [1.3M]

Answer:

A. 45°

Step-by-step explanation:

When we are given two measurements of interior angles we add both of those angles together.

Also know that a triangle equals 180 degrees

So when we write out this expression $80+55+x=180$

$135+x=180\\-135=-135\\x=45$

Hope this helps

6 0

2 years ago

I need help with all of these

Olin [163]

If you take your calculator and enter in -82+28 it should give you the answer easily If you dont have one use ur phone.

Easiest way 1.o.1

6 0

3 years ago