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inn [45]
3 years ago
6

Keri has $30.67. She goes to Target and buys a pack of pencils for $2.38 and an eraser for 56 cents. How much money did Keri spe

nd? How much money does Keri have now?
Mathematics
1 answer:
AlekseyPX3 years ago
6 0

Answer:

Keri spent $2.94 and Keri now has $27.73.

Step-by-step explanation:

$2.38+$0.56= $2.94

$30.67-$2.94=$27.73

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Write a linear function f with f(0)=7 and f(3)=1.
choli [55]

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a = ( 0 , 7 ) & b = ( 3 , 1 )

First need to find the slope using the following equation :

slope =  \frac{y(b) - y(a)}{x(b) - x(a)}  \\

slope =  \frac{1 - 7}{3 - 0}  \\

slope =  \frac{ - 6}{3}  \\

slope =  - 2

_________________________________

We have following equation to find the point-slope form of the linear functions using the slope and one of the through points .

y - y(0) = m \times ( \: x - x(0) \: )

x(0) = x - coordinate \:  \: of  \:  \: through \:  \: point \\

y(0) = y - coordinate \:  \: of \:  \: through \:  \: point \\

m = slope

I choose point (( a )) to put in the equation.

y - 7 =  - 2 \times (x - 0)

y - 7 =  - 2x  + 0

y - 7 =  - 2x

Add sides 7

y - 7 + 7 =  - 2x + 7

y =  - 2x + 7

This the slope-intercept form .

Done...

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7 0
2 years ago
Write the following fractions in order from smallest to largest 3/10, 13/20, 22/25, 3/5
iren2701 [21]
Your answer from smallest to largest is:

3/10
3/5
13/20
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3 years ago
What are the solutions to the nonlinear system of equations below?
Sonbull [250]
Substitute y=4x to the second equation:

x^2 + (4x)^2 = 17
x^2 + 16x^2 = 17
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x^2 = 17/17
x^2 = 1
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When x=1, y=4(1) = 4
When x=-1, y=4(-1) = -4

Thus the solutions would be (1,4) and (-1,-4). That would correspond to D. and A.
5 0
3 years ago
a male elephant weighs 6708 pounds. A female elephant weighs 5823 pounds to the nearest hundred what is the total weight of the
oksian1 [2.3K]
Add the weight of both elephants then round to the nearest 100

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3 years ago
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Jerry has $32 he buys a pack of trading cards that cost three dollars each and a display book that cost seven dollars. Simplify
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5 x 3 = 15 + 7 = 22 
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Your answer is 10


5 0
3 years ago
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