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GarryVolchara [31]
3 years ago
7

Please help me do this i need it​

Mathematics
2 answers:
horsena [70]3 years ago
7 0

Answer:

Step-by-step explanation:

3x^2+5x+2

3x^2+(3+2)x+2

3x^2+3x+2x+2

3x(x+1)+2(x+1)

(3x+2)(x+1)

Darya [45]3 years ago
6 0

Answer:

(x+1)(3x+2) is the answer

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A theater sold a total of 570 tickets for a new movie. Of those tickets, 30% were children's tickets. How many children's ticket
professor190 [17]
According to my calculations the 30% of 570 is 171

10% of 570 is 57

times that by 3 and you get 171
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3 years ago
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4. Can two lines be parallel and perpendicular? Explain.
lidiya [134]

Answer: No

Step-by-step explanation: First, we need to understand that parallel lines are coplanar lines that do not intersect. On the other hand, perpendicular lines are lines that intersect at a right angle.

However, lines can't be both parallel and perpendicular because they either intersect each other at a right angle or never intersect.

So no, two lines can't be both parallel and perpendicular.

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3 years ago
3/2 x 7/8 = <br><br><br> Simplify if needed:
Svetach [21]

Answer:

3/2 x 7/8 = (3×7)/(2×8)=21/16

4 0
3 years ago
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The sale price of every item in a store is 85% of its usual price.
Vladimir [108]

Answer

a. The backpack is $4.50

b. The sweatshirt is $2.70

Step-by-step explanation:

a. 30 x 0.15 = 4.50 (The 0.15 is from the price you are actually paying for the item. Because the item is 85% off, you are paying for 15% of the usual price. 15% as a decimal is 0.15 so you multiply that to the original price to find the amount u will pay.)

b. 18 x 0.15 = 2.70  

5 0
3 years ago
Guys do you know this?
TEA [102]

Answer:

That would be 2/7

Step-by-step explanation:

Using substitution. x^2 +x+1 at 1 is 7

sqrt4 is 2

2/7

6 0
3 years ago
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