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horrorfan [7]
2 years ago
5

Please help me with this math problem!! Will give brainliest!! NO LINKS PLEASE!! Thanks!! :)

Mathematics
1 answer:
iren2701 [21]2 years ago
3 0

Answer:

The sum of all the sides to this quadrilateral will equal a total of 20 inches, so you set up the equation:

2 + 2x + 7 + x + 2 = 20

Solve for x by combining like terms;

(2 + 7 + 2) + (2x + x) = 20

Which simplifies to;

11 + 3x = 20

Get rid of constants;

-11          -11

3x = 9

Isolate x by getting rid of it's coefficient;

/3  /3

<u>x = 3</u>

Now, to find the length of PQ, we plug in the value of x(3) into the equation that contains the line PQ.

x + 2

<u>3</u> + 2

= <u>5 inches.</u>

Now, to find the length of RS, we plug in the value of x(3) into the equation that contains the line RS.

2x

2(3)

= <u>6 inches.</u>

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arlik [135]
F(3)=2(3)^2=1 would be 19 

5 0
3 years ago
Find the product (8/6n-4)(9n^2-4)
Leokris [45]

Answer:

4(3n+2) or 12n+8

Step-by-step explanation:

Given expression is:

(\frac{8}{6n-4})(9n^{2}-4)

The numerator of the fraction will be multiplied with 9n^2- 4

So, Multiplication will give us:

=\frac{8(9n^2-4)}{6n-4}

We can simplify the expression before multiplication.

The numerator will be broken down using the formula:

a^2 - b^2 = (a+b)(a-b)\\So,\\= \frac{8[(3n)^2 - (2)^2]}{6n-4}\\ = \frac{8(3n-2)(3n+2)}{6n-4}

We can take 2 as common factor from denominator

=\frac{8(3n-2)(3n+2)}{2(3n-2)}\\After\ cutting\\= 4(3n+2)

Hence the product is 4(3n+2) or 12n+8 ..

6 0
3 years ago
Halp. Halp. Halp. Halp. Halp
RUDIKE [14]
The awnser is 145
(50 divided 2) = 25
5 to the power of 3= 125
-5
=145
3 0
3 years ago
Read 2 more answers
PLEASE BE 100% SURE the answer choices are attached
DerKrebs [107]
B) should be your answer

The first one (the one given), is 6 "points" (forgot what it's called sorry) from 0 on all sides. To dilate it 1/3, divide 6 and 3

6/3 = 2

The one's that have points that land on points with 2 in it is B

so B is your best answer

hope this helps


4 0
3 years ago
Maria has 2 dogs. Her friend bought her h more dogs. Write an expression that show how many dogs Maria has now.
AVprozaik [17]

Answer:

2+h

Step-by-step explanation:

7 0
3 years ago
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