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Anestetic [448]
3 years ago
8

What is the answer to the first one

Mathematics
1 answer:
Vaselesa [24]3 years ago
7 0
Answer:
(3x +1)(x+2)
Explanation:
Use the new AC method to factor trinomials
y=3x^2+7x+2=3 (x=p)(x+q)
Converted trinomial y'=x^2+7x+6=(x+p')(x+q')
Factor pair of (6)-(1,6).This sum is 7=b
Then p'=1 and q'=6.Back to y, p=1/3 and q=6/3=2
y=3 (x+1/3)(x+2)
=(3x+1)(x+2)
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Find the volume of this figure to the nearest whole number. Use 3.14 for pi.
sukhopar [10]

Answer:

≈ 1800 mm³

Step-by-step explanation:

Volume of the figure above will be given by the formula

Cross section area × length

In this case;

Cross section area will be;

Area of the square + area of the two semi circles

12× 12 + 2(3.14 × 6 ×6/2)

= 144 + 3.14 ×36

= 257.04 mm²

Volume = Cross section area × Length

             = 257.04 × 7

             = 1799.28 mm³

           <u> ≈ 1800 mm³</u>

3 0
3 years ago
Six values on the number line above are marked with letters. Which letters represent integers when the value on the number line
r-ruslan [8.4K]

Answer:

  A) L, N, O, P

Step-by-step explanation:

The even numbers on the number line are marked by the letters L, N, O, P.

_____

If a number gives an integer result when divided by 2, it is an even number. Zero is an even number, giving the integer zero when divided by 2.

6 0
3 years ago
How many cubes that measure 2 inches by 2 inches by 2 inches would fit inside a cube that measures 10 inches by 10 inches by 10
11111nata11111 [884]
25, because a cube that is 10x10 would have an area of 100. and the cubes that are 2x2 would have an area of 4. so you take 100 and divide it by 4. answer is 25.
5 0
2 years ago
1500 computer; 7% tax
anyanavicka [17]
If this is adding or subtracting you can get your answer by using the formula part over whole so turning it into a fraction and solving so you would have 1500 over 7% hope this helps
3 0
2 years ago
Image on straight line graphs- please help ASAP
MissTica
Plug in (7, 12) for x and y in the equation.

12 = 2(7) + 1
12 = 14 + 1
12 ≠ 15 

Therefore, (7, 12) is not on the straight line equation. 
6 0
3 years ago
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