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sveta [45]
3 years ago
5

PLEASE HELP ME I WILL GIVE BRAINLIST

Mathematics
1 answer:
Hatshy [7]3 years ago
4 0
For the first one I believe it's the 3rd answer and for the second question I believe its the first answer
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If f(x) = 2x2 - x, find f(-3).
jonny [76]
F(x) = 2x^2 - x
if x=-3

f(-3) = (2*(-3)^2) - (-3)
f(-3) = (2*9) + 3
f(-3) = 18 + 3
f(-3) = 21
7 0
2 years ago
Read 2 more answers
Find the area of the shape shown below... please
steposvetlana [31]

Answer:

12.5

Step-by-step explanation:

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2 years ago
For what value of x is P|| BC?<br> A. 5<br> B. 6<br> C. 7<br> D. 8
77julia77 [94]

Answer:

Option C. x=7

Step-by-step explanation:

we know that

If PQ is parallel to BC

then

triangles APQ and ABC are similar

Remember that

If two figures are similar them the ratio of its corresponding sides is proportional

so

\frac{AP}{AB}=\frac{AQ}{AC}

substitute the values

\frac{x}{x+7+x}=\frac{x-3}{x-3+x+1}

Solve for x

\frac{x}{2x+7}=\frac{x-3}{2x-2}\\ \\x(2x-2)=(2x+7)(x-3)\\ \\2x^{2}-2x=2x^{2}-6x+7x-21\\ \\3x=21\\ \\x=7\ units

4 0
2 years ago
An aquarium is 8 feet long, 5 feet wide, and 3.4 feet deep. What is the volume of the tank?
Novosadov [1.4K]

Answer:8x5x3.4= 132 feet squared

Step-by-step explanation:

5 0
2 years ago
Out of 208 Marbles, 26 of them are red. What percent is red?
olga nikolaevna [1]
So, add the numbers together to get the total. Then #green/#total x 100 will give you the percentage.

Please let me know if you need additional clarification.
3 0
2 years ago
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