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Brums [2.3K]
3 years ago
11

Consider the original rectangle and the rectangle that has been reduced by 0.5.

Mathematics
1 answer:
Goshia [24]3 years ago
6 0

Answer:

16 and 8

Step-by-step explanation:

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A building is 20 feet tall and casts a 12 foot shadow. and a person who is standing right next to the building casts 1 3 foot sh
Nesterboy [21]
I need help in this one too
5 0
3 years ago
Subtract. 5x^2-5x+1-(2x^2+9x-6)
Talja [164]
<h2>Hello!</h2>

The answer is:

3x^{2} -14x+7

<h2>Why?</h2>

To solve the problem we need to add/subtract like terms. We need to remember that like terms are the terms that share the same variable and the same exponent.

For example, we have:

x^{2} +2x+3x=x^{2} +(2x+3x)=x^{2}+5x

We have that we were able to add just the terms that were sharing the same variable and exponenr (x for this case).

So, we are given the expression:

5x^2-5x+1-(2x^2+9x-6)=5x^{2}-2x^{2}-5x-9x+1-(-6)\\\\(5x^{2}-2x^{2})+(-5x-9x)+(1-(-6))=3x^{2}-14x+7

Hence, the answer is:

3x^{2} -14x+7

Have a nice day!

4 0
3 years ago
Grayson can read 18 pages of a book in 30 minutes. At that rate, how long would it take Grayson to read 150 pages? Express your
ratelena [41]

Answer:

4 hours and 10 min

Step-by-step explanation:

For this equation we will do ratios:

\frac{18}{30} =\frac{150}{x} \\\\18x=4500\\x=250

250 min =

4 hours and 10 min

4(60) = 240

240 + 10 = 250 minutes

6 0
3 years ago
Which two angles named below are supplementary in the figure? ill give brainliest
Margaret [11]

Answer:

D. Angles 4 and 7

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
-3=5-4x help me answer this question please
Mashcka [7]
-3 = 5 - 4x
Add both sides by 4x
4x - 3 = 5
Add both sides by 3
4x = 8
Divide both sides by 4
x = 2

That's your answer. Have an awesome day! :)

- Your friendly Helper-in-Training
4 0
3 years ago
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