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Snowcat [4.5K]
3 years ago
15

What is the solution y=3x-13 2x+4y=4

Mathematics
1 answer:
Serhud [2]3 years ago
6 0
Y=3x-13
2x+4y=4
2x+4(3x-13)=4
2x+12x-52=4
14x=56
x=4
y=12-13=-1
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An architect built a scale model of a museum using a scale in which 3 inches represents
FromTheMoon [43]

Answer:

A. 13.5

Step-by-step explanation:

60 ft. = 3 in.

20 ft. = 1 in.

270/20 = 13.5

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2 years ago
Answer this question thanks:)
Viefleur [7K]

First multiply 2 to both sides to isolate q. Since 2 is being divided by q, multiplication (the opposite of division) will cancel 2 out (in this case it will make 2 one) from the left side and bring it over to the right side.

\frac{q}{2} × 2 < 2 × 2

q < 4

For the graph will you have a empty or colored in circle?

If the symbol is ≥ or ≤ then the circle will be colored in. This represents that the number the circle is on is included.

If the symbol is > or < then the circle will be empty. This represents that the number the circle is on is NOT included.

Which direction will the ray go?

If the variable is LESS then the number then the arrow will go to the left of the circle.

If the variable is MORE then the number then the arrow will go to the right of the circle.

In this case your inequality is:

q < 4

aka q is less then four

This means that the graph will have an empty circle and the arrow will go to the left of 4. (look at image below)

Hope this helped!

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8 0
4 years ago
Read 2 more answers
Which equations are in standard form? Check all that apply
Zinaida [17]

Answer:

if u need help go to math  way .

Step-by-step explanation:

math   way  is a good way to get the steps and answer to ur problem.

8 0
3 years ago
On the coordinate plane below, Point P is located at (2,-3), and point Q is located at (-4,4).
nadezda [96]

Answer:

9

Step-by-step explanation:

We can use the distance formula

d = sqrt (   ( y2-y1)^2 + ( x2-x1) ^2)

d = sqrt (   ( 4- -3)^2 + ( -4 -2) ^2)

   = sqrt (  ( 7^2  + ( -6)^2)

   = sqrt( 49+ 36)

   = sqrt(85)

      9.219544457

Rounding to the nearest whole number

 = 9

5 0
4 years ago
Consider the dot plot which shows the distribution of data collected on the amount of time Jason sleeps each night. Find the dif
Tatiana [17]

Answer:

A) 0.2  

Step-by-step explanation:

From least to greatest, the data points are

6, 6, 6, 7, 7, 7, 8, 8, 8, 9

To find the mean, we find the sum of the data points and divide by the number of data points, 10.  The sum of the data points is

6+6+6+7+7+7+8+8+8+9 = 72

Dividing by 10, the mean is 72/10 = 7.2.

The median is the middle number in the set.  This is 7.

The difference between the mean and the median is

7.2-7 = 0.2.

8 0
4 years ago
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