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SSSSS [86.1K]
2 years ago
10

Mrs parker bought three pizzas for her class 27/8 of the pizza was eaten how many whole pizzas where. left and how many pizzas w

here left over
Mathematics
1 answer:
OverLord2011 [107]2 years ago
7 0
27/8 = 3 3/8
3 whole pizzas were left
5/8 is left over because 8/8 - 3/8 = 5/8
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Solution to the system<br> y=-x2-3x+2<br> y=x+6
worty [1.4K]

Answer:

x=-2,y=4

Step-by-step explanation:

y=-x^2-3x+2

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x+6=-x^2-3x+2

x^2+x+6=-3x+2

x^2+4x+6=2

x^2+4x+4=0

(x+2)(x+2)=0

x=-2

y=(-2)+6=4

8 0
2 years ago
What is -64/5 as a mixed number
Slav-nsk [51]
Your answer to the question:

-12 4/5

And then decimal form:

-12.8
8 0
2 years ago
A rectangle has a length of 12 yards less than 3 times its width. If the area of the rectangle is 135 square yards, find the len
Aleonysh [2.5K]

Answer:

The length is 15 yards

Step-by-step explanation:

Given

Represent the width with W and length with L: So

Area = 135yd^2

L=3W - 12

Required

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Area is calculated as thus:

Area = L * W

Substitute 3W - 12 for L and 135 for Area

135= (3W - 12) * W

135= 3W^2 - 12W

Reorder:

3W^2 - 12W - 135= 0

Divide through by 3

W^2 - 4W - 45 = 0

Expand:

W^2  - 9W + 5W - 45 = 0

W(W  - 9) + 5(W - 9) = 0

(W + 5)(W-9) = 0

W + 5 = 0 or W - 9 = 0

W = -5 or W = 9

But width can't be negative

So:

W = 9

Recall that: L=3W - 12

L = 3 * 9 - 12

L = 15

<em>Hence, the length 15 yards</em>

4 0
3 years ago
Suppose g (x) is increasing and concave up everywhere and g(A)=7, gprime(A)=13, h=.01
rewona [7]
First we need a point (x,y) : (A, 7) 
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<span>Next, the equation (using point slope formula) </span>

<span>y - 7 = 15 (x -A) </span>
<span>y = 15 (x - A) + 7 </span>

<span>Now in the x spot we put 'A-.01' </span>
<span>y = 15 ( A - .01 - A) +7= 15(-.01) +7 = -.15+ 7 = 6.85 
hope this helps</span>
8 0
3 years ago
10x + 19y = -11 in slope intercept form
cluponka [151]
10x + 19y = -11
19y = -10x - 11
y = -10/19x - 11/19 <===
6 0
2 years ago
Read 2 more answers
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