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3 years ago

13

the perimeter of a rectangle is 8 (2x+1) inches. If the length of the sides of the rectangle are 3x +4 inches and 4x+3 inches, w

hat is the length of each side of the rectangle?

1 answer:

EleoNora [17]3 years ago

3 0

The sides in parentheses times 2 for each is equal to the perimeter expression.

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What is the equation of the line that is paralle to y=3x-8 and passes thur the point (4,-5)

Brrunno [24]

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Answer:

The equation is-: y=3x

Step-by-step explanation:

$\large\displaystyle\text{$\begin{gathered} \sf{Substitute \ the \ values \ into \ the \ formula \ y-y_1=m(x-x_1)} \\ \sf {parallel \ lines \ have \ same \ slopes, \ thus} \\ \sf{slope \ of \ the \ 2nd \ line = 3}\\ \sf{now \ substitute \ the \ values} \\ \sf {y-(-5)=3(x-4)}\\ \sf{y+5=3(x-4) (It's \ Point-Slope\;Form, \ see \ below \ for \ slope-intercept)}\\ \sf {y+5=3x-12} \\ \sf{y=3x-12-5} \\ \sf{y-3x-17} \end{gathered}$}}$

$\pmb{\tt{done \ !!}}$

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4 0

2 years ago

Pls help w this question !!<br><br> Determine the value of 2r² + r + 1 when: r= -0.2

Elena-2011 [213]

Answer:

0.4

Step-by-step explanation:

2 x (-0.2) + (-0.2) + 1

- 0.4 - 0.2 + 1

-0.6 + 1

= 0.4

3 0

3 years ago

Read 2 more answers

Please answer the picture

Fiesta28 [93]

12x^2 = 4/3
x^2 = 1/9
x= +/- 1/3

6 0

3 years ago

Gorge was able to solve 36 math problems in 15 muinutes. Urban was able to solve 42 math problems in 20 muinutes. Who was able t

MrRissso [65]

Answer:

Urban, 2.1 mins

Step-by-step explanation:

36 ÷ 3 = 2 (Gorge's)

42 ÷ 2 = 2.1 (Urban)

3 0

3 years ago

Need help ASAP !!!!<br> Solve for the missing side. Round answer to two decimal places (like 7.93).

Thepotemich [5.8K]

10.44yd
a^2 + b^2 = c^2
3^2 + 10^2 = c^2
109 = c^2
C (Hypotenuse) ≈ 10.44

3 0

3 years ago