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Ghella [55]
3 years ago
12

Factor completely 49x^2-36

Mathematics
2 answers:
Andru [333]3 years ago
3 0
(7x - 6)(7x + 6)

There is a positive and a negative square root to every number. 
Hope this is helpful. :)
AnnZ [28]3 years ago
3 0
(7x+6)(7x-6)
All three of the factors in the binomial are square roots. The square root of 49 is 7, the square root of x^2 is x, and the square root of 36 is 6. Also, since you are subtracting, you know that you will have a positive and a negative factor in the end.
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Write an expression that is equivalont to 4(5+2)-3h,​
zhuklara [117]

Answer:

28 - 3h

Step-by-step explanation:

We must do the work seen inside parentheses first.

Thus, we havve 4(7) - 3h, which simplifies to

28 - 3h

8 0
3 years ago
Solve #1 pls, I need to find the shortest side, median side, and longest side
Lisa [10]

Answer:

Shortest side = 39 cm.

Median side = 65 cm.

Longest side = 91 cm.

Step-by-step explanation:

The perimeter in total is 195 cm. The ratio of the sides are 3 : 5 : 7.

First, find how much parts there are as a whole, by combining the ratios:

3 + 5 + 7 = 15 parts.

Divide the total of parts from the total measurement:

195/15 = 13

Each part has the measurement of 13 cm.

1 part = 13 cm.

Use the following ratio to solve for each of the sides:

Shortest side: 3

3 x 13 = 39

Shortest side = 39 cm.

Median side: 5

5 x 13 = 65

Median side = 65 cm.

Longest side: 7

7 x 13 = 91

Longest side = 91 cm.

Check. Combine all side measurements together. They should equal 195:

39 + 65 + 91 = 195

(39 + 65) + 91 = 195

(104) + 91 = 195

195 = 195 (True).

~

8 0
3 years ago
PLZ HELP!!!!
lozanna [386]

Answer:

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4 0
3 years ago
3 out of 4 students in Nayo's class have brought in permission slips for the next field trip. There are 32 students in the class
Marina86 [1]
8
3/4
x/32

Solve for x, = 24

Subtract 24 from 32
Also another way
4 x n = 32
n = 8
3x8 = 24
Subtract and same result
5 0
3 years ago
Read 2 more answers
For the following pairs of equations explain why the equations are NOT equivalent.
Serga [27]
If you were to make both x's equivalent, you'd have to multiply the first equation by 2 to get rid of the coefficient, 1/2. However, you'd have to multiply 2 onto -8 as well, therefore the equation would turn into x - 16 = 18. That is not equivalent to x - 8 = 18.
7 0
3 years ago
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