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3 years ago

What is the geometric mean of 7 and 12? a. 1 5/7 b. 9.5 c. 2 21 d. 4 21

Mathematics

2 answers:

iris [78.8K]3 years ago

6 0

Alright, do you know what mean is?

galina1969 [7]3 years ago

6 0

C ................................

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A leak in a water tank causes the water level to decrease by 3.6×10−23.6×10−2 millimeters each second. About how many millimeter

Zolol [24]

Answer: $6.48 \times 10^2$

Step-by-step explanation:

Since, According to the question,

The leak in a water tank causes the water level to decrease by $3.6\times 10^{-2}$ millimeter

That is , in 1 second it decreases $3.6\times 10^{-2}$ mm

⇒ In $1.8\times 10^4$ seconds it will decrease $3.6\times 10^{-2}\times 1.8\times 10^4$ mm

⇒ In $1.8\times 10^4$ seconds it will decrease $6.48\times 10^{2}$ mm

7 0

3 years ago

Points A, B, C, and D are collinear and

Zanzabum

x=-11

we know that

Points A,B,C,and D are collinear and positioned in that order

AD=AB+BC+CD -----> by addition segment postulate

we have

AB=2x+30

AD=x=32

substitute the given values and solve for x

x+32 = (2x+43)

Group terms that contain the same variable

2x-x=32-43

x=-11

4 0

3 years ago

Find the x-coordinate of A", where A(1, 1) under the

djyliett [7]

Answer:

I think it's 5,1

Step-by-step explanation:

counter-wise of 1,1 is -1,1 and translating it 5 to the right makes it -1+6, 1 = 5,1

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3 years ago

Your neighbor leaves his yard, which is 120 ft from the bus stop. He begins to walk toward you at the bus stop and then passes y

Karo-lina-s [1.5K]

Answer:

ANSWER B

Step-by-step explanation:

d=(120-4t)

30=120-4t

4t=120-30=90

t=90/4=22.5 s

-30==120-4t

4t=120+30=150

t=150/4=37.5 s

5 0

3 years ago

How can we estimate 15910

Katen [24]

Estimate means to round so you could round to the nearest ten, hundred, thousand, and ten thousand. Which place do you need to round to?

8 0

3 years ago

Read 2 more answers