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STALIN [3.7K]
3 years ago
11

What are the two square roots of 121/49

Mathematics
2 answers:
marusya05 [52]3 years ago
6 0

Answer:

11/7, I copied it from the other answer, and I need brainiest if i'm going to rank up before I hit triple the points needed for my rank-up.

sasho [114]3 years ago
5 0

11/7, Hope this helps.

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A+B = 30. A:B is equivalent to 2:3. Find two whole numbers that satisfy the two conditions.
Valentin [98]
I think the 2 numbers would be 12 and 18. Hope this helps.
4 0
3 years ago
A cube has side length a. The side lengths are decreased to 20% of their original size. Write an expression in simplest form for
sergiy2304 [10]
Volume of the original cube is a³ .
That's (a · a · a) .

If you decrease the sides to 20% of their original size,
then the new volume is  (0.2a · 0.2a × 0.2a).

That's  0.008a³  or  (0.2a)³ . 

Take your choice.  I can't decide which one is simpler.
8 0
3 years ago
Read 2 more answers
Help me please please help please
Dominik [7]

Answer:

99

Step-by-step explanation:

180-81 = 99

Hope this helps!

7 0
3 years ago
Read 2 more answers
What is the solution set of y = x2 + 2x + 7 and y = x + 7? A. {(0, 7), (-1, 6)} B. {(0, 7), (-7, 0)} C. {(0, 7), (1, 8)} D. {(-2
Elena-2011 [213]

Answer:

A.

Step-by-step explanation:

If

y=x^2+2x+7 AND

y = x + 7, then by the transitive property of equality:

x^2+2x+7=x+7

We can solve for the values of x by getting everything on one side of the equals sign and then solving for x:

x^2+x=0

We can factor out the common x to get:

x(x + 1) = 0

which tells us by the Zero Product Property that either

x = 0 and/or x + 1 = 0 and x = -1

We are expecting 2 solutions for x since this is a second degree polynomial.  We will sub both -1 and 0 into y = x + 7 to solve for the corresponding values of y

y = 0 + 7 so

y = 7 and the coordinate is (0, 7)

y = -1 + 7 so

y = 6 and the coordinate is (-1, 6)

8 0
3 years ago
25x25 in exponential form
Alexxandr [17]
25 to the 2 or 25^2

Explanation:
There are 2 25’s 25x25, so the amount of exponents is the same as the number of repeated numbers
3 0
2 years ago
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