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son4ous [18]
2 years ago
14

Factorize completely, x2 - 25

Mathematics
1 answer:
Furkat [3]2 years ago
7 0
(x+5)(x-5) , You use difference of two squares to do this. Remember that if the sign in the equation was (+) then you wouldn’t be able to continue factoring. You can only factor equations like these if there is a subtraction sign.
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What is the difference between 12/8 and 3/4?
Vlad [161]

Answer:

(12/8) and (3/4) = 2 1/4 or 2.25 decimal thus: A:

Step-by-step explanation:

5 0
3 years ago
Given that A varies directly as B and inversely as C and that; A=12 when B=3 and C=2. Find B when A=10 and C=1.5​
Kitty [74]
<h3>Answer:</h3>

1.9

Step-by-step explanation:

<h3>The above is direct and inverse variation.</h3>

A = kB/C -----------(1)

A=12

B = 3

C= 2

substitute A, B and C into equation (1).

12 = K × 3/2

12 = 3k/2

12×2 = 3k

3K = 24

dividing bothsides by 3

3K/3 = 24/3

K = 8

substitute K = 8 into equation (1)

A = 8B /C --------------(2)

Equation (2) is the equation connecting

A,B and C.

Finding B when A = 10 and C = 1.5

10 = 8B / 1.5

10× 1.5 = 8B

15 = 8B

Dividing bothsides by 8 :

B = 15/8

B = 1.875

B = 1. 9 ( approximately)

6 0
2 years ago
Is a row reduceed matrix equal to the orignianl?
navik [9.2K]
Yes, yes it is equal. is there a picture or graph or something?
7 0
3 years ago
a mailing tube in the shape of cylinder has a height of 24 inches and a radius of 3 inches. what is the volume, in cubic inches,
TiliK225 [7]

ANSWER

The volume of the mailing tube is 678.6 square inches to the nearest tenth.

EXPLANATION

The volume of a cylinder is calculated using the formula;

V=\pi \:  {r}^{2} h

Since the mailing tube is in the form of a cylinder, we use this formula to find its volume.

We substitute h=24 and r=3 to obtain,

V=\pi \times {3}^{2} \times 24

V=216\pi  {in}^{2}

V=678.6{in}^{2}

8 0
3 years ago
Could someone give me some advice?
Nata [24]
Don’t stress. try taking a nap. or watching a movie. Or listen to calming music.
4 0
3 years ago
Read 2 more answers
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