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IgorC [24]
4 years ago
9

(-2t+3)(4t-5) how to do this in quadratic standard form

Mathematics
1 answer:
zloy xaker [14]4 years ago
4 0

Answer:

−8t^2+ 22t −15

Step-by-step explanation:

Hope that helps

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How to factor out a gcf for 8a^2+16=0
yKpoI14uk [10]
The answer to this questuon is 2
6 0
3 years ago
The measure of angle R is 148° and the measure of angle S is 85°, find the measure of angle T.
Talja [164]

so you have a 148+85+85=318, 360-318=42 is the measure of angle T because all four angles together make 360



8 0
3 years ago
At Clement's Jr. High School, a student needs an 86 average to earn a B. Sue's average on
andriy [413]

Answer:

Sue must score 94 on the final test to earn a B.

Step-by-step explanation:

There are five tests in total.

Sue's average on the first four tests is 84.

If after the final test, she scores X, she will have a B on average of five tests.

We have the following equation:

86 = (4 × 84 + X)/5

<=> X = 5 × 86 - 4 × 84

=> X =  94

5 0
4 years ago
Even would be helpful if you just gave me the equation to solve it and I can do the rest. mart had a sale for labor day on DVD's
erastova [34]

x - price of a video tape

y - price of a DVD

\left\{\begin{array}{ccc}2x+3y=134\\x+5y=179&|\text{subtract 5y from both sides}\end{array}\right\\\\\left\{\begin{array}{ccc}2x+3y=134\\x=179-5y&|\text{substitute to the first equation}\end{array}\right\\\\2(179-5y)+3y=134\qquad\text{use distributive property}\\\\(2)(179)+(2)(-5y)+3y=134\\\\358-10y+3y=134\qquad\text{subtract 358 from both sides}\\\\-7y=-224\qquad\text{divide both sides by (-7)}\\\\\boxed{y=32}\\\\\text{Put the value of y to the second equation}\\\\x=179-5(32)\\\\x=179-160\\\\\boxed{x=19}

<h3>Answer: video tape cost $19 and DVD cost $32.</h3>
6 0
3 years ago
Hello please answer need help​
Levart [38]

2x + 2y = 42

2w + q = 35

2w + v = 29

x + q + y - v = ?


x = 7

y = 14

w = 3

q = 29

v = 23

7 + 29 + 14 - 23 =

The answer is 27

3 0
2 years ago
Read 2 more answers
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