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erma4kov [3.2K]
2 years ago
14

This makes no sense, I don’t understand

Mathematics
1 answer:
julsineya [31]2 years ago
8 0

Answer:

the range where we see the function is between x=0 and x=7

its B

A is impossible btw, no number is smaller or equal to 0 AND bigger or equal to 7

please brainliest

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QUICK What is the solution to this system of equations? 3.2 x + 0.5 y = 4.2. Negative 1.6 x minus 0.5 y = 3.4.
8_murik_8 [283]

Answer:

The solution is x=4.75  and   y = -22

Step-by-step explanation:

To find the solution to the system of equations, we will follow the steps below:

3.2x + 0.5y = 4.2 --------------------------------------------------------------------------(1)

-1.6x -0.5y = 3.4 ----------------------------------------------------------------------------(2)

add equation (1) and equation (2)

1.6x =7.6

Divide both-side of the equation by 1.6 to get the value of x

1.6x /1.6 =7.6/1.6

x =4.75

substitute x = 4.75 into equation (1) and solve for y

3.2(4.75) + 0.5y = 4.2

15.2 + 0.5y = 4.2

subtract 15.2 from both-side of the equation

15.2 - 15.2 + 0.5y = 4.2-15.2

0.5y = -11

Divide both-side of the equation by 0.5

0.5y/0.5 = -11/0.5

y = -22

The solution is x=4.75  and   y = -22

7 0
3 years ago
Francesca’s Labrador retriever has delivered a litter of five puppies. Two are chocolate, two are yellow, and one is black. The
anyanavicka [17]

Answer:

50-50 chance of black puppy

Step-by-step explanation:

4 0
2 years ago
What is the simplified form of -9x+3x
Leto [7]

Answer:

-6x

Step-by-step explanation:

you can combine numbers with the same coefficient like any other number

7 0
3 years ago
Read 2 more answers
Needing help with this trigonometry
Leya [2.2K]

Answer:

x = 7.2

Step-by-step explanation:

x is the hypotenuse

applies cosine

cos(33^{o} )=\frac{6}{x}

x=\frac{6}{cos(33^{o} )} =7.154

Round to the nearest tenth:

x = 7.2

Hope this helps

3 0
2 years ago
Find the value of the variable and the measure of each labeled angle.
SSSSS [86.1K]

Answer:

16x

Step-by-step explanation:

4 0
3 years ago
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