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DIA [1.3K]
3 years ago
9

Factor this trinomial completely.

Mathematics
1 answer:
zmey [24]3 years ago
4 0
First you want to write 7x as a sum or difference: 15x-8x
Now, the expression would look like this: 10x^2+15x-8x-12
Next, factor out the 5x and -4 from the expression: 5x(2x+3)-4(2x+3)
Now, factor out the 2x+3 from the expression and you have your answer:
(2x+3)(5x-4)
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Someone help!!! PLEASE BE QUICK.... <br> **BONUS POINTS**
Tatiana [17]

Answer:

884cm^2

Step-by-step explanation:

top triangle area=21*24/2=252

central triangle area=16*24/2=192

left n right triangle area (each)=22*20/2=220

total area of wood needed=252+192+220+220

=884cm^2

6 0
3 years ago
Read 2 more answers
If f(x)=x^2-11, for what values of z is f(x) &lt; 25?
GuDViN [60]

Answer:

D

Step-by-step explanation:

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5 0
3 years ago
Anthony has to practice his guitar for 1.75 hours each morning and 2.5 hours each evening for the first 4 days this week. How ma
weqwewe [10]

Answer:

17 hours

Step-by-step explanation:

From the above question,

Anthony is practicing 4 days in a week

Hence

The number of hours he practices in the morning for 4 days =

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The number of hours he practices in the evening for 4 days =

2.5 hours × 4

= 10 hours

Therefore, the total number of hours he practices this week

= 7 hours + 10 hours

= 17 hours

5 0
2 years ago
−4x + 3y =7 <br> 5x − 2y =35 <br> What is the solution?
Bezzdna [24]

Answer:   x = 39/10     y = 29/5

4 0
2 years ago
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7.2 ÷ 0.09 = 7.2/0.09 = ________ Write your quotient as a whole number.
const2013 [10]

Answer:

80

Step-by-step explanation:

5 0
3 years ago
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