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Sonbull [250]
3 years ago
13

2x^2 + 7x + 5 = (x + 1) (?)

Mathematics
1 answer:
seraphim [82]3 years ago
4 0

Answer:

(2x+5)

Step-by-step explanation:

2x^2 + 7x + 5 = (x + 1) (?)

Must multiply to 10 and add to 7:

5 and 2

(2x^2+2x)(5x+5)

2x(x+1)5(x+1)

(2x+5)(x+1)

Hope this helps! Please mark brainliest :)

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The area of the base of the cylinder is 78.5 in² . What is the volume of the cylinder
Bad White [126]

Answer:

The volume of the cylinder would probably me 54? dont quote me I am not 100 percent sure, but if you need any help feel free to message me!

3 0
3 years ago
Whoever answers first i will mark as brainiest
vfiekz [6]

Answer:

As shown in picture,

volume of cone V = base area x height x (1/3) = pi x (4/2)^2 x 6 x (1/3) = 8 x pi

volume of cup V = base area x height = pi x (3/2)^2 x 3 = 6.75 x pi

(all the volumes are in cubic inches)

A - Incorrect

24 pack of cups: V = 24 x 6.75 x pi = 162 x pi

21 pack of cones: V = 21 x 8 x pi = 168 x pi

162 x pi < 168 x pi

B - Correct

12 pack of cups: V = 12 x 6.75 x pi = 254.5 > 250

C - Correct

14 pack of cones: V = 14 x 8 x pi =351.9 > 350

D - Correct

Volume of cylinder 8 tall, 6 wide: V = pi x (6/2)^2 x 8 = 72 x pi

12 pack of cups: V = 12 x 6.75 x pi = 80.4 x pi > 72 x pi

Hope this helps!

:)

7 0
3 years ago
Select the only true statement from the following. Question 17 options: Opposite numbers have the same sign and are the same dis
Brut [27]

Answer:

The true statement is "Opposite numbers have different signs but are the same distance from zero."

Some examples of opposite numbers are 1 and -1, 6 and -6, and 10 and -10.

8 0
3 years ago
Can i get some help :
GenaCL600 [577]

Answer:

The answer is eight to five.

7 0
2 years ago
A regular hexagon has an area of 750.8cm². The side length is 17cm. Find the apothem.
larisa86 [58]
The formula for determining the apothem of regular hexagon is s/2tan(180/n) , where 's' is any side length of regular hexagon and 'n' is the number of sides of regular hexagon.
So, apothem = 17/2tan(180/n)
= 17/2tan(30)
= 17/1.15
= 14.78 units
Therefore, the measure of apothem of the regular hexagon is 14.7 units.
B is the right answer.
4 0
3 years ago
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