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vovikov84 [41]
3 years ago
15

Select ALL the correct answers. Select all the expressions that are equivalent to the polynomial below. 4(x − 4) − 2(3x2 + 3x −

20) 4(x − 4) + 2(3x2 + 3x − 20) (11x2 + 7x − 55) − (5x2 − 3x + 1) (3x2 + 5x − 28) − (2x2 + 4x + 28) (11x2 + 7x − 55) + (5x2 − 3x + 1) (3x2 + 5x − 28) + (3x2 + 5x − 28)
Mathematics
2 answers:
maw [93]3 years ago
8 0

Answer:

Where are the answer options and this is too confuseing for me?        

Step-by-step explanation:

Schach [20]3 years ago
5 0
What? Is this one question? What are u asking
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The heights of two similar parallelograms are 16 inches and 20 inches. Their
Fittoniya [83]

Answer: x=\dfrac{25}{21}

Step-by-step explanation:

Area of parallelogram = Base x height

If two parallelograms are similar, then their corresponding sides are proportional.

That means, \dfrac{\text{Area of first parallleogram}}{\text{Area of second parallleogram}}=\dfrac{\text{height of first parallelogram}}{\text{height of second parallelogram}}

\Rightarrow \dfrac{3x+5}{9x}=\dfrac{16}{20}\Rightarrow \dfrac{3x+5}{9x}=\dfrac{4}{5}\\\\\Rightarrow 5(3x+5)=4(9x)\\\\\Rightarrow\ 15x+25 = 36x\\\\\Rightarrow\ 36x-15x=25\\\\\Rightarrow\ 21x = 25\\\\\Rightarrow\ x=\dfrac{25}{21}

Hence, x=\dfrac{25}{21}

3 0
3 years ago
Q10<br> Please help me solve this….
kondor19780726 [428]

Answer:

C. 0.23°

Step-by-step explanation:

We are given

r=\frac{1}{32}v^{2}sin(2\theta)

Re-arranging this equation (multiply by 32 on both sides and divide by v^{2} on both sides gives us:

\frac{32r}{v^{2}}=sin(2\theta) or

sin(2\theta)=\frac{32r}{v^{2}}

Substituting for, r and v we get

sin(2\theta)=\frac{(32)5000}{4500^{2}}=0.00792\\\\\theta=sin^{-1}(0.0079)=0.4527\\\\\theta=\frac{{0.4527}}{2}=0.2263\approx0.23

5 0
2 years ago
Write the equation of the line that passes through the points
Vikki [24]

Answer:

y = 5x + 8

‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

8 0
3 years ago
Read 2 more answers
How much money will be in an account at the end of 7 years if ​$3000 is deposited at 4​% interest compounded 4 times per​ year?
Greeley [361]
The total will be $6,360.
Hope this helps:)
4 0
3 years ago
Need help solving this
Kobotan [32]

Answer:

A^C = {2,3,5,6,10,12,14,15,17,18,20}

B^C = {1,3,5,6,9,11,15,16,18,20}

C^C = { 5,9,10,15,16,20}

Step-by-step explanation:

The C means the complement or the items  in the main set and not in the subset

Given U = {1,2,3,4,5,......18,19,20}

A^C = means the items in U that are not in A

A^C = {2,3,5,6,10,12,14,15,17,18,20}

B^C = means the items in U that are not in B

B^C = {1,3,5,6,9,11,15,16,18,20}

C^C = means the items in U that are not in C

C^C = { 5,9,10,15,16,20}

5 0
3 years ago
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