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miss Akunina [59]
3 years ago
14

Mr cruz cut three pieces of wood for a project .The first piece of lumber is the longest.The second is 7/8 times as long as the

first piece . the third piece is 12 5/16 inches shorter than the second piece the their piece is 24 7/16 inches long
A)How long is the first piece of wood?
B)How much wood did Mr cruz use to make all 3 pieces?
c)Mr cruz has 32 ft of lumber left he wants to cut 4 more of each of the pieces described above does he have enough lumber?justify your answer
Mathematics
1 answer:
madreJ [45]3 years ago
3 0

1st piece is the longest

 2nd piece is 24 7/16 + 12 5/ 16 = 36 3/4 inches long

3rd piece is 24 7/16 inches

 2nd piece is 7/8 as long as first piece so divide the length of the 2nd piece by 7/8

3 3/4 / 7/8 = 42 inches

A) 1st piece is 42" long

 B) now add them all: 42 + 36 3/4 + 24 7/16 = 103 3/16 inches total

C) 103 3/16 inches / 12 = 8.6 feet

8.6 x 4 = 34.4 feet, he has 32 feet so he does not have enough to cut 4 more of each size.

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3x4.35=13.05

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18.7 Is your answer. Hope this helps!

6 0
3 years ago
Anyone wanna help me out
Sholpan [36]

Answer:

58.91m^2

Step-by-step explanation:

(smaller triangle below)

A=\frac{ab}{2}\\ =\frac{8.6*5.5}{2}\\ =23.65m^2\\\\A=\frac{ab}{2}\\ =\frac{8.6*8.2}{2} \\=35.26m^2

(bigger triangle above)

Since you have both triangle, and all lengths you dont need to worry about calculating the square

Add both together

23.65+35.26\\=58.91m^2

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2 years ago
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2×(4×2-10)³ How do you simplify powers in this? ​
Ksivusya [100]

Answer:

Step-by-step explanation:

first work what's in the brackets { 4 x 2 -10}^3

{4 x 2-1000}

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5 0
2 years ago
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Me pueden ayudar? :)
kobusy [5.1K]

.Answer:

Step-by-step explanation:

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2 years ago
What is equivalent to (3 root 8^1/4 x) ?
vfiekz [6]

Answer:

The given expression is equivalent to 3(2^(3/8))x.

Step-by-step explanation:

The given expression (3 root 8^1/4 x) can be written as:

3√(8^(1/4))x

we know that 2^3 = 8

= 3√(2^(3/4))x

We know that √x = (x)^(1/2)

= 3(2^((3/4)(1/2))x

Powers multiply with each other, 3*1/4*2 = 3/8

= 3(2^(3/8))x

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