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kolbaska11 [484]
3 years ago
11

4x + 8y= -8 X= -2y + 1

Mathematics
1 answer:
slavikrds [6]3 years ago
8 0

Answer:

Step-by-step explanation:

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Aisha bought 15 apples and oranges for $9. 0. Each orange costs $0. 50, and each apple costs $0. 65. Let x represent the number
zhannawk [14.2K]

Answer:

x + y = 15

0.5x + 0.65y = 9

Step-by-step explanation:

x = number of oranges

y = number of apples

total of apples and oranges is 15 so x + y = 15

total cost of apples and oranges is $9 so 0.5x + 0.65y = 9

Calculation

y = 15 - x

0.5x + 0.65(15-x) = 9

0.5x - 0.65x + 9.75 = 9

-0.15x = - 0.75

x = 5

y = 15 - x = 15 - 5 = 10

6 0
3 years ago
Two taxi companies compete in the same neighborhood. One of these companies
FinnZ [79.3K]

Let m = miles

let c = cost

Create a system of equations.

taxi company 1: c = $1.20m + $2

taxi company 2 c = $1.40m + $1

Set both equations equal to each other to solve for variable m.

$1.20m + $2 = $1.40m + $1

Subtract $1.20 from both sides and Subtract $1 from both sides.

$1 = $0.20m.

Divide each side by $0.20.

5 = m.

Plug 5 into one of our original equations for m.

c = $1.20(5) + $2.

Simplify the right side of the equation

c = $8

In conclusion, c = $8 and m = 5

3 0
3 years ago
A projectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 640t
dem82 [27]
It would only be 1 second.

<span><span>h<span>(1)</span></span>=<span><span>−<span>16<span>(<span>1^2</span>)</span></span></span>+<span><span>(640)</span><span>(1)

After simplification, the answer would be h = 624.

If you substituted 2 for t, you would see that h would get smaller. Each time you increased t, h would get smaller.
</span></span></span></span>
4 0
3 years ago
The rectangle below has an area of x^2-4x-12 square meters and a length of x+2what expression represents the width of the rectan
Romashka [77]
X^2 - 4x - 12
x - 6
x +2

If L equals to x + 2 than W will equal to x - 6
4 0
3 years ago
Read 2 more answers
Check if the following pairs of fractions are equivalent.
d1i1m1o1n [39]

Answer:

They are equal

Step-by-step explanation: 3/3 = 1

                                             11/11 = 1

Hence, they are equal

8 0
3 years ago
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