3 years ago

Amanda has a board that is 7 feet long how many 1\4 foot sections can she cut out of this board

Mathematics

2 answers:

Alex787 [66]3 years ago

7 0

She can cut 28 sections.

katovenus [111]3 years ago

5 0

The decimal form of 1/4 is 0.25. If we divide 7 by 0.25 we get our answer: 28

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A+B= -7 and AXB= -15

ZanzabumX [31]

A+b=-7
ab=-15

a=-7-b
b(-7-b)=-15

a=-7-b
-b^2-7b+15=0

a=-7-b
b^2+7b-15=0

a=-7-b
b=(-7±sqrt(109))/2
1)
a=-7-b
b=(-7+sqrt(109))/2

b=(-7+sqrt(109))/2
a=-7+3.5-sqrt(109)/2

b=(-7+sqrt(109))/2
a=-3.5-sqrt(109)/2

2)
a=-7-b
b=(-7-sqrt(109))/2

b=(-7-sqrt(109))/2
a=-7+3.5+sqrt(109)/2

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3 years ago

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3 years ago

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A sum of $1000 is invested at an interest rate of 4.1% per year. Find the time required to grow to $4000 if interest is compound

Goshia [24]

Answer:

4100000

Step-by-step explanation:

4.1 take the point 41x1000=410000

6 0

3 years ago

Alonzo, Enio, and George bought a watercolor paint box for $15.35 and 3 brushes for $2.25 each. They had a coupon for $2.00 off

Scilla [17]

Answer:C. [12.35+(2.25x3)-2]÷3

8 0

3 years ago

Can yall help me plss , I'm not sure what to do here

Wewaii [24]

Answer:

Step-by-step explanation:

<u>The Pythagorean Theorem is l^2 + l^2 = H^2:</u>

Substituting 12 and 16 as our l's we achieve:

12^2 + 16^2 = 144 + 256

144 + 256 = 400

Square root of 400 = 20

So H or Hypotenuse = 20.

Adding gives us 20 + 12 + 16 = 48 feet.

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4 years ago