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ivolga24 [154]
3 years ago
6

Which represents the solution(s) of the system of equations, y=-x^2+6x+16 and y=-4x+37? Determine the solution set algebracicall

y.
A). (3, 25)

B). (-3, 49)

C). (3, 25) and (7,9)

D). (-3, 49) and (-7, 65)
Mathematics
1 answer:
padilas [110]3 years ago
4 0
Option C is the correct answer.
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All Major League Baseball stadiums use standard measurements for their infield area. The pitcher's mound is a circle with a diam
denis-greek [22]

Answer:

254 4/7 or 254.34 ft² (it depends on which method you use.)

Step-by-step explanation:

To find the area of a circle, the formula is πr².

I'll use both 22/7 and 3.14 as pi, so I'll end up with two different answers. Just choose the more reliable one.

22/7 version:

22/7 * 9^2

22/7 * 81/1

1782/7

254 4/7 ft²

3.14 version:

3.14 * 9^2

3.14 * 81

314 - (3.14 * 19)

314 - 62.8 + 3.14

251.2 + 3.14

254.34 ft²

As I said, I ended up with two different answers. You also had said not to round my answer, so the 22/7 version has a mixed number.

5 0
3 years ago
What is 5.1 kilometers to meters and centimeters?
BartSMP [9]
The answers are going to be 5100 and 510000. hope that helped
3 0
3 years ago
Read 2 more answers
Please answer correctly !!!!!!!!! Will mark brainliest !!!!!!!!!
Dvinal [7]

Answer:

13x - 8y

Step-by-step explanation:

Step 1: Write expression

(6x - y) + (7x - 7y)

Step 2: Combine like terms

13x - 8y

5 0
3 years ago
Jon has a $21.61 balance on a gift card that can be used to purchase online music. Each song download costs $1.29. Jon wants to
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Answer: Jon can purchase 9 songs.

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5 0
3 years ago
OFFERING 50 POINTS!!! The army reports that the distribution of waist sizes among female soldiers is approximately normal, with
hammer [34]

Answer:

Step-by-step explanation:

1)

Percentile is related to the area under the standard normal curve to the LEFT of a certain data value (which in this case would be 26.1 inches).

On my Texas Instruments TI-83 Plus calculator, I found this area as follows:

normcdf(-100, 26.1, 28.4,1.2), where the range -100 to 26.1 represents the area (as a decimal fraction) to the left of 26.1 inches.  My result was 0.028, which corresponds to the 3rd percentile (0.028 rounds off to 0.03, which would be 3rd percentile).

2)  The mean waist size is 28.4 inches, represented by a vertical line through the standard normal curve lying between 24 and 32.  We use the same function on the calculator:  normcdf(24, 32, 28.4, 1.2).

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3 years ago
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