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trasher [3.6K]
3 years ago
8

Please help with this question and show work

Mathematics
1 answer:
alukav5142 [94]3 years ago
4 0
The diagonals of a parallelogram bisect each other so
4x - 7 = x + 2 and
5y - 8 = 3y

4x - 7 = x + 2 so 3x = 9 and x = 3

5y - 8 = 3y so 2y = 8 and y = 4
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Determine the intercepts of the line.
jeyben [28]

Answer:

y- intercept = - 13 , x- intercept = \frac{13}{5}

Step-by-step explanation:

To find the y- intercept, substitute x = 0 into the equation and solve for y

y = 5(0) - 13 = 0 - 13 = - 13 ← y- intercept

To find the x- intercept substitute y = 0 into the equation and solve for x

0 = 5x - 13 ( add 13 to both sides )

13 = 5x ( divide both sides by 5 )

\frac{13}{5} = x

x- intercept = \frac{13}{5} = 2 \frac{3}{5} = 2.6

5 0
3 years ago
Evaluate the expression 2n - 6 if n = 16.
V125BC [204]

Answer:

26

Step-by-step explanation:

2n-6

Given that:

n=16

To evaluate the expression, we must simply substitute the given value of n, which is 16, for n:

2(16)-6

Multiply:

32-6

Subtract:

26

-

To check your work, simply set the given expression equal to our solution, 26:

2n-6=26

Add 6 to both sides of the equation:

2n=32

Divide both sides of the equation by the coefficient of n, which is 2:

n=16

Since it matches the given value of n, our solution is correct!

3 0
3 years ago
Read 2 more answers
NEED ANSWER ASAP!!!!!
Vika [28.1K]

Answer:

9 cm

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8 0
3 years ago
What is trigonometry???????​
Elza [17]

Answer:

Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles. The field emerged in the Hellenistic world during the 3rd century BC from applications of geometry to astronomical studies.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find a . b if a=(2, -8) and b = (-1, 4).<br> a. -30<br> b. (1, -4)<br> c. -34<br> d. (-2, -32)
Luden [163]

Answer:

(2,-8)*(-1,4)

a*b

the answer is (-2,-32)

(2)*(-1)=(-2)

(-8)*(4)=(-32)

Step-by-step explanation:

hope this helps you :)

7 0
3 years ago
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