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Oxana [17]
3 years ago
11

What is the square root of 9

Mathematics
2 answers:
Nuetrik [128]3 years ago
8 0
It is 3. Because a square root is anything times itself to make an answer. For example:
3 \times 3 = 9 \\ so \\  \sqrt{9 }  = 3
cupoosta [38]3 years ago
3 0

The answer is 3 because to find the square root you must find a number that you can multiply by itself to get that number so 3 x 3 = 9 and 3^{2} = 9

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Lexi ran 2/4 of a mile in 1/10 of an hour. At this rate, in how long does she run one mile?
Alenkasestr [34]

Answer:A runner ran 20 miles in 150 minutes. If she runs at that speed,. How long would it take her to run 6 miles? ... How fast is she running in miles per hour? ... experience in reasoning with equivalent ratios and unit rates from both sides of the ratio.

Step-by-step explanation:

6 0
3 years ago
Four times a first number decreased by a second number is - 14. The first
mel-nik [20]

Answer:

f = -5, s = -6

Step-by-step explanation:

F= first number

S= second number

4f - s = -14

f + 3s = -23

3(4f - s = -14)

12f - 3s = -42

+ f + 3s = -23

13f = -65

————

13

f = -5

4f - s = -14

4(-5) - s = -14

-20 - s = -14

+20 +20

-s = 6

———

-1

s = -6

3 0
3 years ago
5.6 x N= 2.24 N=? Please help
dlinn [17]

Answer:

N = -3.36

Step-by-step explanation:

5.6 x N= 2.24

-5.6          -5.6

N= -3.36

3 0
3 years ago
Read 2 more answers
3. Find f[h(a+4)], given the functions below. *
mote1985 [20]

Answer:

C 5a^2 +70a +240

Step-by-step explanation:

We have given these following functions:

f(x) = 5x, g(x) = -2x + 1, h(x) = x^2 + 6x + 8

h(a+4)

This function is:

h(a+4) = (a+4)^2 + 6(a + 4) + 8

h(a+4) = a^2 + 8a + 16 + 6a + 24 + 8

h(a+4) = a^2 + 14a + 48

f[h(a+4)]

f(x) = 5x

Thus

f(h(a+4)) = f(a^2+14a+48) = 5(a^2 + 14a + 48) = 5a^2 + 70a + 240

The correct answer is given by option C.

8 0
3 years ago
I need help is it A B C or D
Masteriza [31]
The answer to this is C.
8 0
3 years ago
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