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Valentin [98]
2 years ago
15

Simplify. 7x² - x + 9 + 6x² + 5x - 10 ___________ Will give brainliest.

Mathematics
2 answers:
crimeas [40]2 years ago
5 0

Answer:

Its 13X2<this 2 is little +4x-1

Step-by-step explanation:

Ira Lisetskai [31]2 years ago
3 0

Answer:

13²+4−1

Step-by-step explanation:

<em><u>hope it helps</u></em>

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Directions - For the following problem, write a paragraph proof to justify each step you make. All work must be neat,
nlexa [21]

$ PS = \frac{4}{3} x

Solution:

Given PRQ is a triangle.

ST is a line parallel to RQ.

$PT = x, \ PQ = 3x,  \ SR=\frac{8}{3}x

TQ=PQ-PT

TQ=3x -x=2x

<u>Triangle proportionality theorem,</u>

<em>If a line parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally.</em>

$\frac{PS}{SR} =\frac{PT}{TQ}

$\frac{PS}{\frac{8}{3} x} =\frac{x}{2x}

Do cross multiplication, we get

$ PS \times 2x=x \times \frac{8}{3} x

Divide by 2x on both sides, we get

$ PS = \frac{4}{3} x

4 0
3 years ago
The base of a right rectangular prism is 20 cm2. If the height of the prism is 5 cm, what is its volume?
tekilochka [14]
General formula to find volume of prism
v = base area × height

Input the numbers to the formula
v = base area × height
v = 20 × 5
v = 100

The volume is 100 cm³
6 0
3 years ago
Read 2 more answers
Beth drives 200 miles in 4 hours.
Dmitrij [34]

Answer:

26mph

Step-by-step explanation:

18 miles at 36mph will take 30 minutes and 26 × 7 is 3 h 30 min

3 0
2 years ago
The sixth term is 22 and the common difference is six Ward the question is what is the 15th term
NemiM [27]
<span>The sixth term is 22 and the common difference is is 6.</span>
4 0
3 years ago
What are the domain and range of the function f(x)= 1/4(x^3+6^2+5x-4)
alexandr1967 [171]

Answer:

it is 300

Step-by-step explanation:

because of you get it and dived it den you will time it so you will get to 300

4 0
2 years ago
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