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stellarik [79]
4 years ago
7

IM STUCK PLEASE HELP

Mathematics
1 answer:
Artyom0805 [142]4 years ago
4 0

Answer:B

Step-by-step explanation:

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Prove the following identities.plZzz​
dybincka [34]

Answer:

check the file above and got any confusion then comment it .

hope this helped you,

5 0
3 years ago
Use the distributive property to expand the following expression: -4(2a + 6b - 7)
Semenov [28]

Answer:

-8a - 24b + 28

Step-by-step explanation:

When you distribute, you multiply each number inside of the parentheses by the number outside of the parentheses.

Distribute:

-4(2a + 6b - 7)

-4(2a) -4(6b) -4(-7)

Multiply:

-4(2a) -4(6b) -4(-7)

-8a - 24b + 28

That's it! Hope this helps :)

5 0
4 years ago
Read 2 more answers
A waitress sold 16 ribeye steak dinners and 26 grilled salmon​dinners, totaling ​$596.12 on a particular day. Another day she so
JulijaS [17]

Answer:

(A) $14.30

(B) $14.13

Step-by-step explanation:

Let x represent cost of each ribeye steak dinner and y represent cost of each grilled salmon ​dinner.

(B) We have been given that a waitress sold 16 ribeye steak dinners and 26 grilled salmon​dinners, totaling ​$596.12 on a particular day. We can represent this information in an equation as:

16x+26y=596.12...(1)

We are also told that another day she sold 28 ribeye steak dinners and 13 grilled salmon​ dinners, totaling ​$584.01. We can represent this information in an equation as:

28x+13y=584.01...(2)

Now, we will use substitution method to solve our system of linear equations. From equation (1), we will get:

x=\frac{596.12-26y}{16}

Upon substituting this value in equation (2), we will get:

28(\frac{596.12-26y}{16})+13y=584.01

1.75(596.12-26y)+13y=584.01

1043.21-45.5y+13y=584.01

1043.21-32.5y=584.01

-32.5y=584.01-1043.21

-32.5y=-459.2

y=\frac{-459.2}{-32.5}

y=14.12923\approx 14.13

Therefore, cost of each grilled salmon ​dinner is $14.13.

(A) To find the cost of each ribeye dinner, we will substitute y=14.12923 in equation x=\frac{596.12-26y}{16}.

x=\frac{596.12-26(14.12923)}{16}

x=\frac{596.12-367.35998}{16}

x=\frac{228.76002}{16}

x=14.29750125\approx 14.30

Therefore, the cost of ribeye steak dinners is $14.30.

3 0
4 years ago
PLEASE HELP WILL GIVE THE CROWN!!!<br> Find the length of the line segment NQ.
Cerrena [4.2K]
The length of NQ would be 15 centimeters
8 0
3 years ago
What is the image of (-1,-2) after a reflection over the line y = x?
wolverine [178]

Answer:

what line is it reflecting over?

If it's reflected over the Y axis then (1, -2)

If it reflected over the X axis then (-1, 2)

If it's reflected over both axis then (1, 2)

Step-by-step explanation:

May I have brainliest please? :)

8 0
3 years ago
Read 2 more answers
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