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Oduvanchick [21]
3 years ago
14

What are the values of r and a1

Mathematics
2 answers:
Aloiza [94]3 years ago
6 0

Answer:

a1 = .45 and r = 8

Step-by-step explanation:

This is of the form

sum a1 r^ k-1

a1 = .45 and r = 8

Aleonysh [2.5K]3 years ago
4 0
The first one I think
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What is the center of the circle that has a diameter whose endpoints are (9, 7) and (-3, -5)?
emmasim [6.3K]

Answer: OPTION B.

Step-by-step explanation:

Given the endpoints of the diameter of the circle, we  need to find the midpoint, which is the center of the circle.

The following formula is used to calculate the Midpoint:

M=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Given the endpoints of the diameter of the circle:

(9, 7)\ and\ (-3, -5)

We can identify that:

x_1=9\\x_2=-3\\y_1=7\\y_2=-5

Then, we can substitute these values into the formula:

M=(\frac{9+(-3)}{2},\frac{7+(-5)}{2})\\\\M=(3,1)

Therefore, the center of the circle is: (3,1)

3 0
3 years ago
Plase help me it would mean a lot
IRINA_888 [86]

Answer:

Drink A

Step-by-step explanation:

Let's find the amount of sugar in each drink in every 35 ounces. (since 35 is the lowest common multiple of 5 and 7)

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5 fluid ounces --- 11g of sugar

35 fluid ounces --- 11 ×7= 77g of sugar

<u>Drink</u><u> </u><u>B</u>

7 fluid ounces --- 10g of sugar

35 fluid ounces --- 10 ×5= 50g of sugar

Since drink A has more sugar in every 35 ounces than drink B, drink A is sweeter.

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3 years ago
The points (4,1 ) and (x,-6 lie on the same line. If the slope of the line is 1,what is the value of x?
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Step-by-step explanation:

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3 years ago
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Artyom0805 [142]
You need to divide 6 by 4/5.
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5 0
3 years ago
Find the area of the triangle.
madreJ [45]
Start by finding the area of each smaller right triangle.
Right triangle area = (1/2)hb -> h = height & b = base
b = 4 & h = 3
(1/2)(4)(3) = 6
6*2 = 12 (there are two right triangles)
The area of the entire triangle is 12yd^2
8 0
3 years ago
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