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IRISSAK [1]
3 years ago
15

A 60 inch board is to be cut into three peices so that the second peice is four times as long as the first peice and the third p

eice is 5 times as long as the first peice. If x represents the length of the first peice find the lengths of all three peices
Mathematics
1 answer:
Lostsunrise [7]3 years ago
6 0

Answer:

The first piece is 6 inches, the second piece is 24 inches, and the third piece is 30 inches

Step-by-step explanation:

Since the second piece is 4 times longer than the first one, it will be represented by 4x.

The third piece is 5 times as long as the first one, so it will be represented by 5x.

Create an equation adding up the 3 x values up to 60:

x + 4x + 5x = 60

Add like terms and solve for x:

10x = 60

x = 6

So, the first piece is 6 inches.

Then, plug in 6 for x to find the lengths of the second and third pieces.

4x

4(6)

= 24

The second piece is 24 inches

5x

5(6)

= 30

The third piece is 30 inches

So, the first piece is 6 inches, the second piece is 24 inches, and the third piece is 30 inches

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16. Solve for "x".<br> a. 6<br> b. 100<br> c. 36
erastovalidia [21]

Answer:

A. 6

Step-by-step explanation:

Using the Pythagorean theorem which states that: <u>Hypotenus² = Opposite² + Adjacent²</u>

Where: hypotenus = 10, opposite = x, adjacent = 8

So:

{10}^{2}  =  {x}^{2}  +  {8}^{2}

Solving for x

100 =  {x}^{2}  + 64

Collect like terms to make x the subject of formula

100 - 64 =  {x}^{2} →36 =  {x}^{2}

36 =  {x}^{2} ⟹ {x}^{2}  = 36

square root both sides of the equation to find the value of x

\sqrt{ {x}^{2} }  =  \sqrt{36} →x = 6

Therefore: Option A is correct

5 0
1 year ago
The quotient obtained when an integer is divided by its additive inverse is ________________.
Ahat [919]

Answer:

-1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The sum of two numbers is 40. One number is 4 times as large as the other. What are the numbers?
Sergeu [11.5K]

Answer:

4x+x=40

5x+40

x=8

8, 32

Step-by-step explanation:

4 0
3 years ago
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Look at picture (15 point)
NNADVOKAT [17]

Answer:

<h2>x \sqrt{2}</h2>

Option C is the correct option

Step by step explanation

\sqrt{ \frac{22 {x}^{6} }{11 {x}^{4} } }

Reduce the fraction with 11

\sqrt{ \frac{2 {x}^{6} }{ {x}^{4} } }

Simplify the expression

\sqrt{2 {x}^{6 - 4} }

\sqrt{2  \: {x}^{2} }

Simplify the radical expression

x \sqrt{2}

Hope this helps...

Good luck on your assignment..

3 0
3 years ago
3z squared minus 6z if z = 5
max2010maxim [7]

Answer:

45

Step-by-step explanation:

Given

3z² - 6z ← substitute z = 5 into the expression

= 3(5)² - 6(5)

= 3(25) - 30

= 75 - 30

= 45

4 0
3 years ago
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