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olasank [31]
3 years ago
15

X - 2y = 7 and 2x + 5y = -4 sorry more help but i need x and y again

Mathematics
2 answers:
Luden [163]3 years ago
3 0

Answer:

x = 3, y = -2

natka813 [3]3 years ago
3 0

Answer:

x=3 y=-2

Step-by-step explanation:

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A soup can has a diameter of 4 inches and the height of the can is 7 inches. Desiree needs to design a label for the soup can. A
Hoochie [10]

Answer:

87.96 square inches

Step-by-step explanation:

The soup can is a cylinder, and we can find how many square inches the label will take up by finding the lateral surface area

Use the formula, LA = 2\pirh

The diameter is 4 inches, so the radius is 2 inches

Plug in the radius and height into the formula, and solve:

LA = 2\pirh

LA = 2\pi(2)(7)

LA = 28\pi

= 87.96

So, the label will take up approximately 87.96 square inches

8 0
3 years ago
The ages of five friends are 20,31,28,31 and 25. How many of the friends are older than the average (arithmetic mean) age?
FromTheMoon [43]

Answer:

3 friends

Step-by-step explanation:

The mean age is 27 so 3 friends are above that age.

7 0
3 years ago
The measures of angles X and Y are the same, x degrees. The measure of angle Z is twice the measure of angle Y. What is the meas
iragen [17]
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8 0
3 years ago
In a small company with 20 employees, 10 employees make $80,000/yr, 6 employees make $ 150,000/yr the 4 highest-paid employees a
Elis [28]

Answer:

$129 000/yr

Step-by-step explanation:

Weighted average is used to answer this question.

<em>total employees are 20</em>

10 employees make 80 000

<em>total earning for 10 employees </em>= 80 000 * 10 = 800 000 (multiplying)

6 employees make 150 000

<em>total earning for 6 employees= </em>150 000 * 6 =900 000<em> (multiplying)</em>

4 employees make 220 000

<em>total earning for 4 employees </em>= 220 000 * 4 = 880 00<em>0 (multiplying)</em>

<em />

<em>To calculate weighted average all the totals are added and then divide by total number of employees.</em>

<em>weighted average =</em> (800 000 + 900 000 + 880 000)/20

<em />

<em>weighted average = </em>2580000/20

<em />

<em>Weighted average = </em>129 000

<em />

8 0
3 years ago
2. The line that passes through the points (-6, p)
Kobotan [32]
Answer: -26=p


Explanation: The slope formula is m=(y2-y1)/(x2-x1).

Thus, we have 6=(2-p)/(-10-(-6)).

Combining the xs gives us 6=(2-p)/-4.

Multiplying both sides by -4 leaves us with -24=2-p.

We do -24-2 to isolate p and find that p=-26.
5 0
3 years ago
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