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aleksandr82 [10.1K]
2 years ago
12

The system of equations y = 2x + 5 and y = –3x – 15 is shown on the graph below.

Mathematics
2 answers:
Artist 52 [7]2 years ago
7 0
The answer is ( -4, -3 )

sleet_krkn [62]2 years ago
3 0

Answer:

-4 -3

Step-by-step explanation:

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Calculate the quotient below and give your answer in scientific notation.<br> 2.64*10^-3\8.0*10^0
Zolol [24]

Answer:

The quotient of: \frac{2.64\cdot 10^{-3}}{8.0\cdot 10^0} is: \mathbf{3.3\times 10^{-4}}

Step-by-step explanation:

We need to find quotient of: \frac{2.64\cdot 10^{-3}}{8.0\cdot 10^0}

We know that 10^0=1

Now solving:

\frac{2.64\cdot 10^{-3}}{8.0\cdot 10^0}\\=\frac{2.64\cdot 10^{-3}}{8.0}\\=\frac{0.00264}{8}\\=0.00033

Writing it in scientific notation

0.00033\\=3.3\times10^{-4}

So, the quotient of: \frac{2.64\cdot 10^{-3}}{8.0\cdot 10^0} is: \mathbf{3.3\times 10^{-4}}

3 0
3 years ago
Which statement best describes the constant in this expression?
kow [346]

Answer:

A. It is the total cost for entertainment and cleaning.

Step-by-step explanation:

If we look at the information it says:

Facility rental is dependent upon number of hours we are renting the facility for.

Linen, food, and decoration also depends upon the number of attendees. Also, the table decorations depend upon the number of attendee.

The things that are independent of the number of attendees are entertainment and cleaning fee. These are fixed charges.

So, the total cost for entertainment and cleaning are the constants in the expression. This is the amount that will remain constant regardless of the number of attendees.

8 0
2 years ago
Please help me!!!!!!!!!!
Alex

The answer is C. 20.3 miles per hour.


In order to solve this, we have to first convert our time into hours. We start with 11 seconds, but need to convert to hours. Since there are 3600 seconds in an hour, we need to divide by that unit rate.


11 seconds/3600 = .00305 hours


Now we need to convert our meters into miles. The problem lets us know that there are 1609 meters in a mile, so we need to divide the 100 meters by 1609.


100 meters/1609 = .0621 miles.


Now to find miles per hour, we divide the miles we got by the hours.


.00305 miles/ .0621 miles = 20.3 miles per hour.

5 0
2 years ago
Find the area of the shaded sector of the circle. Use pi=3.14
Neporo4naja [7]

Answer:

If radius of circle = 1, the shaded sector area is calculated by:

A = pi x radius^2 x (136 x 2)/360 = 3.14 x 1^2 x 272/360 =2.37

Hope this helps!

:)

4 0
3 years ago
This equation has one solution.<br> 5(r–1) + 3r =7(r + 1)<br> What is the solution?
Nadusha1986 [10]

Answer:

R=12 is the solution

I don't know how to explain but it needs to be 20 characters

4 0
3 years ago
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