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astra-53 [7]
3 years ago
10

a 27-inch board is to be cut into three pieces so that the second piece is 3 times as long as the first piece and the third piec

e is 5 times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces
Mathematics
1 answer:
MrMuchimi3 years ago
5 0

<u>Step-by-step explanation:</u>

27 = x + 3x +5x

27 = 9x

3 = x

Board 1: (3)(1) = 3 inches

Board 2: (3)(3) = 9 inches

Board 3: (3)(5) = 15 inches

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faust18 [17]

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B) 0.75

C) 0.65

D) 0.25

E) 1.1

F) 0.9

Step-by-step explanation:

Relative frequency= frequency/total number of value

A) 21/60= 0.35

B) 135/180= 0.75

C) 39/60= 0.65

D) 45/180= 0.25

E) Rf Male or female choosing sport utility car = 21/60 + 135/180 = 0.35 + 0.75= 1.1

F) Rf of male or female choosing a sport car= 39/60 +45/180= 0.65 + 0.25= 0.9

8 0
4 years ago
Is y=x2+1 linear or non linear
igomit [66]

Answer:

The answer is : Yes y=2x+1 is linear

Step-by-step explanation:

The equation of a straight line can be written in several forms. ... y=2x−1 is in this form, therefore it is a linear equation. It has an x term, a y term and a constant.

3 0
4 years ago
Does anybody understand this?
Makovka662 [10]

Answer 15y 3x

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4 0
3 years ago
Read 2 more answers
Find the GCF of the terms of the polynomial. 18x4 – 27x3 – 36x2
d1i1m1o1n [39]

Answer:

9 x^ 2

Step-by-step explanation:

18x4 – 27x3 – 36x2

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<em>Find the prime factors of each term in order to find the greatest common factor (GCF)</em>

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3 0
4 years ago
Guys, please help me with this problem. Thank you
vagabundo [1.1K]

Ok so the formula for point-slope is:

y - y 1  = m(x - x1)

m=slope

y1 = y point that's given

x1 = x point that's given

The problem says "use the point (-1,-4)"

so we will put it into our equation.

(-1,-4)

-1 is our x, and -4 is our y, now we can put it into the equation.

y - ( - 4) = m(x - (- 1))

Now we need to find the slope using:

\frac{y2 - y1}{x2 - x1}

y2=4

x2=3

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x1=-1

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So the answer is..

y - ( - 4) = 2(x - ( - 1))

6 0
3 years ago
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