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sesenic [268]
3 years ago
5

100 POINT QUESTION!!

Mathematics
1 answer:
-BARSIC- [3]3 years ago
8 0

Answer:

$313.78

Step-by-step explanation:

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Help please it’s urgent
Licemer1 [7]

Answer:

D

Step-by-step explanation:

We can use d to find out how much x equals which therefore would solve the rest of the equation. We also know that half of a parallelogram= 180 degrees so we know that it wouldn't be c and it wouldn't be any of the others either.

Hope this helps!

6 0
3 years ago
Which methods could you use to calculate the y-coordinate of the midpointof a vertical line segment with endpoints at (0,0) and
vodka [1.7K]

Answer:

y-coordinate of midpoint of line segment joining the endpoints (0,0) and (0,15) is 7.5

Step-by-step explanation:

Given two end points of line segment that are (0,0) and (0,15). If we have to find the y-coordinate of midpoint of a vertical line segment then we apply mid point formula.

The Midpoint formula is used when one is need to find the exact center point between two given points.

The mid point M of line segment A(x_{1},y_{1}) and  B(x_{2},y_{2}) can be calculated as

M(\frac{x_{1}+x_{2}}{2},\frac{y_{1}+y_{2}}{2})

Mid point of line joining the end points (0,0) and (0,15) is

M(\frac{0+0}{2},\frac{0+15}{2})=M(0,7.5)

Hence, y-coordinate of midpoint of line segment joining the endpoints (0,0) and (0,15) is 7.5

6 0
4 years ago
The ratio of boys to girls in a choir is 3 to 6. There are 30 girls in the choir.
agasfer [191]

Answer:

45 members are in the choir.

Step-by-step explanation:

Set up an equation:

Variable x = boys

3/6 = x/30

Cross multiply:

3 × 30 = 6 × x

90 = 6x

Divide both sides by 6:

15 = x

There are 15 boys.

To find the number of members in the choir, add the number of boys and girls:

30 + 15 = 45

5 0
3 years ago
Read 2 more answers
Complete the steps in solving the quadratic function 7x – 9 = 7x2 – 49x by completing the square. –9 = 7x2 – x –9 + = 7(x2 – 8x
anzhelika [568]

Answer:

A) 56 . . . . . . the (negative) sum of -7 and -49

b) 112 . . . . . the product of 7 and 16

c) 16 . . . . . . the square of 8/2

8 0
4 years ago
Read 2 more answers
What is an equivalent expression to 3(4m-2)-2(m+5)
Pavel [41]

Answer:

10m - 16

It's basically the same thing but simplified to make it easier to solve.

Step-by-step explanation:

3(4m-2)-2(m+5)

|

v

Distribution

|

v

12m-6-2m-10

|

v

Combining Like Terms

|

v

10m-16

8 0
3 years ago
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