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Georgia [21]
3 years ago
12

Which of these is a correct expansion of (4x - 2)(2x + 3)?

Mathematics
1 answer:
RideAnS [48]3 years ago
8 0

Answer:

It's 8x²+8x-6

Step-by-step explanation:

If you multiply each component you get:

4x * 2x = 8x²

4x * 3 = 12x

-2 * 2x = -4x

-2 * 3 = -6

Adding everything you have the result.

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Question 11
dem82 [27]

Answer:

There were 49 questions on this Geometry test.

Step-by-step explanation:

You can start by setting up a proportion:

x = total number of questions on Geometry test

\frac{37}{x} = \frac{75.51}{100}

Now, to solve for x, cross multiply:

75.51x = 3700

Finally, isolate x and solve:

x = 49.0001324328

This is very close to 49.

3 0
3 years ago
At the dog park, 2 dogs are black with spots, 5 dogs are white with spots, 1 dog is solid white, and 4 dogs are solid black. Wha
Nikolay [14]
Its 11/12 , you need to divide the "wanted results" (every dog which is either black, with spots or both ) by every every possible result ( all dogs ). so 11/12=0.92
5 0
3 years ago
Read 2 more answers
Which expression is equivalent to (3b +2r) + (4b + r )
VladimirAG [237]

Answer:

Step-by-step explanation:

The one that looks most closely to this.

(3b + 2r) + (4b + r)                 Remove the brackets.

3b + 2r + 4b + r                     Rewrite so the terms are close to each other.

3b + 4b + 2r + r                     Combine

7b + 3r    or

3r + 7b

One of the two of these can be given as an answer. Please give choices if you want me to give an exact answer.

6 0
3 years ago
Read 2 more answers
WHO IS IN 8TH GRADE!!!!!!!!!!!!!!!!!!!!!!
galben [10]
Why are you asking....
8 0
3 years ago
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On a coordinate grid, the x axis represents the age of a plant in weeks, and the y axis represents the height of the plant in in
BaLLatris [955]

Answer:

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2 years ago
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