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dimulka [17.4K]
2 years ago
8

Factor the expression: -45x +40 expand the expression: 4w + 9( -6 - 3w)

Mathematics
2 answers:
klasskru [66]2 years ago
6 0

Answer:

Factor the expression

- 45x + 40 \\  =  - 5(9x + 8)

Expand the expression

4w + 9( - 6 - 3w) \\ 4w - 54 - 27w \\ =   - 23w - 54

hope this helps

brainliest plz..

AlekseyPX2 years ago
5 0

Answer:

\large \boxed{\mathrm{view \ explanation}}

Step-by-step explanation:

-45x + 40

Factor out 5 from the expression.

5(-9x) + 5(8)

Take 5 as a common factor.

<u>5(-9x + 8)</u>

4w + 9( -6 - 3w)

Expand brackets.

4w + 9(-6) + 9(-3w)

4w - 54 - 27w

Combine like terms.

4w - 27w - 54

<u>-23w - 54</u>

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How far up the house would a ladder be resting if it is 25 ft long and 3 ft
Lena [83]

Answer:

C

Step-by-step explanation:

The last one is absurd. You can't have a ladder reaching higher than itself. The question is a Pythagorean problem.

Givens

a = 3

b = ?

c = 25 feet

Formula

a^2 + b^2 = c^2

Solution

3^2 + b^2 = 25^2

9 + b^2 = 625                  Subtract 9 from both sides.

b^2 = 625 - 9

b^2 = 616                        Take the square root of both sides.

b = sqrt(616)

b = 24.8

6 0
3 years ago
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frutty [35]

Answer:

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Step-by-step explanation:

Rotate 90 degrees

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7 0
3 years ago
Find the distance between the points (<br> -<br> 10,12) and (15,12).
Nitella [24]
The distance formula is:

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We are given two points in the form (x,y), so plug in the values to the distance formula:

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Next we can simplify. We know that 12-12 is 0, so we can drop it from the equation, as it will not affect our answer. Also, we know that -10-15 is -25:

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The square and square root cancel each other out leaving us with 25.

The answer is 25.


5 0
2 years ago
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Rom4ik [11]
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8 0
3 years ago
Read 2 more answers
llan needs to prove that overline RS cong overline TU and overline RU cong overline TS . His proof is shown in the table below.
Tju [1.3M]

Answer:

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Step-by-step explanation:

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3 years ago
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