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Trava [24]
3 years ago
13

I kinda sorta understand this but not completely

Mathematics
1 answer:
Greeley [361]3 years ago
5 0
Problems 1 - 8.
When you multiply the same number raised to exponents, add the exponents. When you divide the same number raised to exponents, subtract the exponents.

1. 7^{-5} \cdot 7^{3} = 7^{-5 + 3} = 7^{-2}

3. \dfrac{2^{7}}{2^{10}} = 2^{7 - 10} = 2^{-3}
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What percent of 143 is 95.1?
Aloiza [94]

Answer:

66.5%

Step-by-step explanation:

95.1/143*100=66.5%

4 0
3 years ago
Read 2 more answers
Mrs. Smith is creating a rectangular flower bed such that the width is half of the
Brilliant_brown [7]

Answer:

As for this problem, we will first establish that the length of the flower bed be represented as x, the width of the flower bed be represented as x/2 ,and the area of the flower bed be taken as it is since it is given. We then follow the formula for area which is length multiplied to width which is:

A = LW

we then substitute them

34 square feet = x (x/2)

now all we need to do is find x first.

34 square feet = x squared / 2

now do a cross multiplication

68 square feet = x squared

then get the square root of both sides

8.246 feet = x

Since x is equal to the length of the flower bed, all we have to do to get the width of it is to divide it by 2. So...

W = x/2

W = 8.246 feet / 2

W = 4.123 feet

And since the problem asked it to find the width of the flower bed to the nearest tenth of a foot, the answer would be 4.1 ft.

6 0
3 years ago
Sketch the line passing through the pair of points and identify the line as having a positive slope, a negative slope, a zero sl
scoundrel [369]

Answer:

line will be horizontal running through (0,2)

Step-by-step explanation:

6,2
1,2
2-2/1-6 = 0/-5 = 0 slope. 2 = 0x6+b, 2=b. line will be y=b , y=2.

5 0
2 years ago
If AC is parallel to DF, what is the measure, in degrees, of ∠ABD
Kamila [148]

Answer:

Yes it is parellell

Step-by-step explanation:

3 0
4 years ago
What is the equation in point slope form, for a line that goes through (7, -8) and (-4, 6) brainly
Anika [276]

Answer:

The equation of the line is y - 6 = -14/11(x + 4)

Step-by-step explanation:

To find the equation of this line, we first need to find the slope. To do that, we use the slope equation.

m(slope) = (y2 - y1)/(x2 - x1)

m = (6 - -8)/(-4 - 7)

m = (6 + 8)/(-4 - 7)

m = 14/-11

m = -14/11

Now that we have the slope, we can use it and either point in point-slope form and solve for the equation.

y - y1 = m(x - x1)

y - 6 = -14/11(x + 4)


5 0
3 years ago
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