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sveta [45]
3 years ago
12

3 Solve for x. 1 14 10 56 40 " 14 56

Mathematics
1 answer:
Nesterboy [21]3 years ago
5 0

Answer:

12

Step-by-step explanation:

the shapes are similar which means the sides are proportional, you can set up a ratio using the sides as 10/40 = 3/x

solving that gives you x =12

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3. If Jay gets paid $30 a day plus $15 per driveway
marissa [1.9K]

Answer:

4 driveaways

Step-by-step explanation:

90 - 30 = 60

60 ÷ 15 = 4

6 0
3 years ago
LMNP is a rectangle. Find the value of x and the length of each diagonal. LN=6x+9and MP=9x−6
Alexus [3.1K]

Answer:

see explanation

Step-by-step explanation:

The diagonals of a rectangle are congruent, thus

MP = LN , substitute values

9x - 6 = 6x + 9 ( subtract 6x from both sides )

3x - 6 = 9 ( add 6 to both sides )

3x = 15 ( divide both sides by 3 )

x = 5

Thus

MP = 9(5) - 6 = 45 - 6 = 39 and LN = 6(5) + 9 = 30 + 9 = 39

6 0
4 years ago
The population of a certain city decreased by 18,000 people. Write a signed number to represent this population change.
Burka [1]

Answer:

Answer

Step-by-step explanation:

Step-by-step explanation

3 0
3 years ago
Find the slope of the line through the given points.(-4,7) and (-1,-3)Is the slope increasing or decreasing?
galina1969 [7]

• The following formula can be used to find the slope of a line:

m=\frac{y_2-y_1}{x_2-x_1}

These points are on the line:

(x_1,y_1);(x_2,y_2)

Given the following points:

\mleft(-4,7\mright);(-1,-3)

Then, you can set up that:

\begin{gathered} y_2=-3_{} \\ y_1=7 \\ x_2=-1 \\ x_1=-4 \end{gathered}

Therefore, substituting values into the formula and evaluating, you get:

\begin{gathered} m=\frac{-3-7}{-1-(-4)} \\  \\ m=\frac{-10}{-1+4} \\  \\ m=-\frac{10}{3} \end{gathered}

• As you can notice, the slope is negative. Therefore, you can determine that it is decreasing.

Therefore, the answers are:

• Slope of the line:

m=-\frac{10}{3}

• It is decreasing.

4 0
1 year ago
If the aspect ratio is 5:8 and length is 12cm, find the width
klasskru [66]

Answer:

52

Step-by-step explanation:

7 0
3 years ago
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