3 years ago

What is the slope of this table?

Mathematics

1 answer:

Vsevolod [243]3 years ago

4 0

Answer:

slope 3

Step-by-step explanation:

-2+y=4

4+y=10

10+y=16

y= 6

0+x=2

2+x=4

4+x=6

x=2

slope= change in y/ change in x

6/2=3

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The perimeter of a rectangle is 52 cm. If its width is 2 cm more than one-third of its length, find the dimensions of rectangle.

Jobisdone [24]

Answer:

(B) 18 cm x 8 cm

Step-by-step explanation:

let the length be x,

then the width is $\frac{1}{3}$ x + 2

2( $\frac{1}{3}$ x + 2 + x ) = 52

$\frac{1}{3}$ x + 2 + x = 26

$\frac{4}{3} x$ = 24

x = (24*3)/4

x = 18

then the length is 18 cm

and width is (1/3)*18 + 2 = 8

Therefore the dimensions are length:width = 18 cm : 8 cm

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2 years ago

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F(x) = x2+ x–1 and g(x) = x+ 3, what is f o g(x)

Naddika [18.5K]

Answer:

Step-by-step explanation:

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we input the function g(x) into every x in f(x)

$f(g(x)) = (x+3)^2 + (x + 3) - 1\\f(g(x)) = x^2 + 6x + 9 + x + 3 - 1\\f(g(x)) = x^2 + 7x + 11$

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3 years ago

A construction crew is lengthening a road. The road started with a length of 54 miles, and the crew is adding 4 miles to the roa

scoray [572]

L = 4D + 54 <== ur equation

the crew worked for 31 days...so sub in 31 for D

L = 4(31) + 54
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L = 178 miles <==

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3 years ago

Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution? y = -x + 21 y = -2

Kamila [148]

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3 years ago

6 $44 is shared between David, Jo and Mary in the ratio 2:3:5<br> How much does each receive?

OverLord2011 [107]

Answer:

David=$8.8

Jo=$13.2

Mary=$22

Step-by-step explanation:

2+3+5=10

44/10=4.4

David=4.4x2=$8.8

Jo=4.4x3=$13.2

Mary=4.4x5=$22

8.8+13.2+22=44

8 0

3 years ago