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mestny [16]
3 years ago
14

A school wants to buy a chalkboard that measures 4 feet by 6 feet. The chalkboard costs $10.00 per square foot. How much will th

e chalkboard cost?
Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
7 0

Answer:

$27.87

Step-by-step explanation:

if it is 1 by 2 you would multiply 1 x 2 and get 2 then multiply 13.87 x 2 to get 27.87 and it leaves you with $27.87

lidiya [134]3 years ago
4 0

Answer:

100

Step-by-step explanation:

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How do I fill this out? Im not sure how to?
prohojiy [21]

Answer:

z=-21

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-((z+6)/5)+6/2=0

We add all the numbers together, and all the variables

-((z+6)/5)+3=0

We multiply all the terms by the denominator

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We calculate terms in parentheses: -((z+6)+3*5), so:

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-(z+21)

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5 0
3 years ago
If fg = 2 units, fi = 7 units, and hi = 1 unit , what is gh
Vikentia [17]
See the picture to better understand the problem

F________G_______H_______I

we know that
FI=FG+GH+HI-----> solve for GH
GH=FI-FG-HI
FI=7 units
FG=2 units
HI=1 unit
substitute
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the answer is
GH=4 units

5 0
3 years ago
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