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yarga [219]
3 years ago
6

Describe a real world situation that can be represented by the quotient negative 85 divided by 15?

Mathematics
1 answer:
Aleks04 [339]3 years ago
5 0
Mark owes sally 85.00$ he finds 14 friends to help him pay her back. How much does each friend need to pay? (This includes mark)
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Starter<br> If x = 3, find y when:<br> a) y = x<br> b) y = 2x<br> c) y = 5x - 2<br> d) y = x
gogolik [260]

Answer:

a. 3

b. 2(3) is 6

c. 5(3)-2 is 13

d.3

4 0
2 years ago
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Meagan needs to paint the outside of a box
Arlecino [84]

Surface area of cubic= 2( lb+bh+hl)

Length= 18 cm

Width= 5 cm

Height= 2cm

s.a = 2(18 \times 5 + 5 \times 2 + 2 \times 18) \\  = 272 \: cm {}^{2}

4 0
3 years ago
The denominator of a fraction is 9 more than the numerator. if both the numerator and the denominator are decreased by 1 the res
yarga [219]
X/x+9 (original fraction)

x+1/ x+10 = 4/13

x+1=4 so x=3 and x+10=13 so again x=3

now that you have the value of x, substitute it into the original fraction to get:

3/12
5 0
3 years ago
What is the y-value of the vertex of the function f(x)=−(x−3)(x+11)? −8 −4 33 49
alisha [4.7K]

Answer:

y - value of the vertex is 49.

Step-by-step explanation:

Given function is f(x) = -(x - 3)(x + 11)

f(x) = -(x² - 3x + 11x - 33)

     = -(x² + 8x - 33)

     = -(x² + 8x + 16 - 49)

     = -[(x + 4)² - 49]

     = -(x + 4)² + 49

Comparing this equation with the vertex form of a quadratic function,

f(x) = -(x - h)² + k

Where (h, k) is the vertex of the function.

Vertex of the parabola is (-4, 49)

Therefore, y-value of the vertex is 49.

4 0
2 years ago
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The difference between number 20 and its opposite is what percentage of 200? (if you do not remember: opposite of 15 is −15; opp
True [87]
20%

This is because 20 and it's opposite -20 is 40. (20 - -20 = 40). Then 40 is 20% of 200. 
8 0
3 years ago
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