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sattari [20]
1 year ago
14

Jenny's lunch account has $10 in it. She buys lunch three days in a row and spends $2.50, $2, and $2.75. On the fourth day, she

Mathematics
2 answers:
defon1 year ago
7 0
10-(2.5+2+2.75)+10-3 = 9.75
inna [77]1 year ago
5 0

$9.75

Given the information
, we know that for the first 3 days, she spends a total of $7.25. On the fourth day, she deposits $10 before buying lunch for $3.

This means she had $20, but spent $10.25. $20-$10.25=$9.75 is the amount she has in her account.

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C.) 0.0001 is a power of ten
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A television weighs 50 pounds and a microwave
Ilia_Sergeevich [38]

Answer:

Step-50*t + 30*m = 1500,   (1)   (pounds)

4*t +  3*m = 138.    (2)   (cubic feet)

From (2), express 3m = 138 - 4t, and substitute it into (1). You will get

50t + 10*(138-4t) = 1500,  or

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From this point, find the number of microwaves on your own.

step by-step explanation:

3 0
3 years ago
HELP!!!<br><br><br> -1/2(b-6)=5
notsponge [240]

Answer:

<h2>b=-4</h2>

Step-by-step explanation:

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3 years ago
Let F(X) = x^2-16x+71. What is the vertex and minimum value of F(X)?
LekaFEV [45]
The veretx is normally the minimum value
hack:
for f(x)=ax²+bx+c
the x value of the vertex is -b/2a
so
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find f(8) to find y value of vertex

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the vertex is (8,7)
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In a class of c children there are 16 boys what fraction of the class are boys ​
ZanzabumX [31]

Answer:

Step-by-step explanation:

c/16

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