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iren [92.7K]
3 years ago
12

What is the solution to the inequality below? x2 < 49

Mathematics
1 answer:
Brrunno [24]3 years ago
3 0

I am going to assume that you mean:

x² < 49

To solve this you must do the opposite of squaring, which would be taking the square root. What you do to one side you must do to the other.

√x² < √49

x < 7

Hope this helped!

~Just a girl in love with Shawn Mendes

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Answer:

the first one, 64(-1/2)^(n-1)

Step-by-step explanation:

To go from one number to the next, we first start with 64, so everything is multiplied by that. Next, 64 turns into -32, and (-32)/64 = -1/2. Similarly, 16/-32 is -1/2, and -8/16 is -1/2 as well. Therefore, we have to multiply each number by -1/2 a number of times. For example, to get from 64 to 16, we have to multiply 64 by negative one half 2 times. The only option with -1/2 in the multiplier is the first one, making that our answer

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3 years ago
A 120 lb. person would weigh about 20 lb. on the earth's moon. A 150 lb. person would weigh 28 lb. on Io, a moon of Jupiter. Whi
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Answer:

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Step-by-step explanation:

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4 years ago
The perimeter of a triangular field is 84 m, if the ratio of its sides are 13: 14:15, Find the area of the field. *
denis-greek [22]

Answer:

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Step-by-step explanation:

If the ratio of the sides is 13:14:15, we can say that the length of each side is 13x, 14x and 15x.

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P = 13x + 14x + 15x = 84

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The length of each side is:

13x = 26\ m

14x = 28\ m

15x = 30\ m

Now, to find the area of the field, we can use the following formula:

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Where a, b and c are the sides and p is the semi perimeter:

p = P/2 = 42\ m

So we have that:

Area = \sqrt{42(42-26)(42-28)(42-30)}

Area = 336\ m^2

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3 years ago
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Dmitriy789 [7]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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Atrain leaves a station and travels north at 50 kmh Four hours later a second train leaves on a paralel track and travels north
ryzh [129]

Answer:

Step-by-step explanation:

50 X 4= 200

90 X 5=450

50 X 5=250

200 + 250 = 450

Therefore it takes 5 hours for train B which is the train moving at 90 km per hr  to catch up to train A.

3 0
3 years ago
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