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marishachu [46]
3 years ago
7

Brielle exercises for 3/4 hour each day for 6 days in a row. Altogether how many hours does she exercise during the 6 days. How

many hours are in six days?
Mathematics
1 answer:
Ksivusya [100]3 years ago
3 0
3/4hr × 6days = 4.5hrs
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Factor 3x^2y^2 − 2xy^2 − 8y^2. Show your work.
docker41 [41]
<span>3x^2y^2 − 2xy^2 − 8y^2 =
y^2 (3x^2 - 2x - 8) =

factoring with leading coefficient:

for ax2+bx+c find two numbers n,m, that m*n = a*c and m+n = b
</span><span><span>
3x^2 - 2x - 8
a=3, b=-2, c=-8
</span>a*c = 3*(-8) = -24
-24=(-6)*4 and -6+4=-2, so m=-6 and n=4

replace bx with mx + nx and factor by grouping
</span><span>
3x^2 - 2x - 8 = </span>3x^2 -6x + 4x -8 = 3x(x-2) + 4(x-2) = (3x+4)(x-2)

answer:
<span>3x^2y^2 − 2xy^2 − 8y^2 = y^2(3x+4)(x-2)</span>

7 0
3 years ago
on january 1,1999,the price of gasoline was$1.39 per gallon .if the price of gasoline increased by 0.5%per month ,what was the w
arlik [135]
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4 0
3 years ago
Tony has 7/8 of a candy bar. he wants to split the bar into servings that are 3/10 of the bar. how many servings can he make?
erica [24]
Alright, so let's make both 7/8 and 3/10 into fractions with the same denominator.
The lowest common denominator for both of these is 80.
So, we multiply the top and bottom of 7/8 by 10, and the top and bottom of 3/10 by 8 to get fractions we can compare.
So, we have 70/80 of a candy bar, and we want to make servings of 24/80 each.
How many times can 24 go into 70? 2 times, with a remainder of 22.
So, Tony can make 2 servings.
3 0
3 years ago
A. (0,5)<br> B. (0,2)<br> C. (-1,3)<br> D. (-3,-1)
wolverine [178]

Answer:

(0,5)

x,y

Step-by-step explanation:

7 0
2 years ago
Line AB contains points A (−6, 3) and B (2, −5). Line AB has a slope that is?????
vladimir1956 [14]
The slope is 1

Difference between the first and second y is 8
Difference between the first and second x is also 8

(8,8) simplifies to 1

Hope this helps!

Please crown;)
4 0
3 years ago
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