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Marat540 [252]
3 years ago
15

A student scored 80 and 93 on her first two quizzes. Write and solve a compound inequality to find the

Mathematics
1 answer:
coldgirl [10]3 years ago
4 0

Answer:

I think it would be 87.5 as an average between 85 and 90.

Step-by-step explanation:

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For the parallelogram, fond the value of the variables. Show your work.
lisabon 2012 [21]

For this case, the first thing you should know is that the opposite sides of the parallelogram are the same.

Therefore, we have the following equations:

3y-6 = 21\\5x + 2 = 17

From equation 1 we have:

3y = 21 + 6\\3y = 27

y = \frac{27}{3}\\y = 9

From equation 2 we have:

5x = 17 - 2\\5x = 15

x = \frac{15}{5}\\x = 3

Answer:

the value of the variables are:

y = 9\\x = 3

3 0
3 years ago
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Reflect the given triangle over<br> the line y=-x.
Misha Larkins [42]

Answer:3 4 -7 1

Step-by-step explanation: {note and bc I'm kind of smart!}

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2 years ago
If (x,y) is a solution to the system of equations shown below, what is the product of the y-coordinates of the solutions? x^2+4y
aliina [53]

Answer:

The product of the y-coordinates of the solutions is equal to 3

Step-by-step explanation:

we have

x^{2}+4y^{2}=40 -----> equation A

x+2y=8 ------> equation B

Solve by graphing

Remember that the solutions of the system of equations are the intersection point both graphs

using a graphing tool

The solutions are the points (2,3) and (6,1)

see the attached figure

The y-coordinates of the solutions are 3 and 1

therefore

The product of the y-coordinates of the solutions is equal to

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4 0
3 years ago
Mary has planned to save 25% of her weekly earning in savings account. She uses double number line as shown below to determine h
Bas_tet [7]

Answer:

<h2>$175 per week </h2>

Step-by-step explanation:

In this problem we are expected to calculate the amount Mary will save per week based on her 25% plan on her weekly earning of $700

hence we have to calculate 25% of $700 and that will be the answer to the problem

we have

weekly savings = (25/100)*700

weekly savings = 0.25*700

weekly savings= $175

<em>Hence Mary will save $175 per week if she follows the  25% plan  of her weekly earnings</em>

8 0
3 years ago
What value of x would make the figure below a parallelogram? please show your work!​
lara31 [8.8K]

Answer:

x = 8

Step-by-step explanation:

Since the sum of all angles of a parallelogram is equal to 360 degrees, <Z + <Y is half of the parallelogram, and therefore <Z + <Y = 180 degrees.

16x-4 + 7x = 180, combine like terms

23x - 4 = 180, add 4 on both sides (isolate variable)

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x = 8

8 0
2 years ago
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