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Maru [420]
3 years ago
8

I have no idea what I'm doing :^

Mathematics
2 answers:
Dovator [93]3 years ago
7 0
C+s+a=800
a=.5(s+c)
2.5c+4s+5.5a=3450
mars1129 [50]3 years ago
5 0

Answer:

press this link and u will get the answers

https://www.math.tamu.edu/~rosanna/141/WIR2_done.pdf

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Write an equation of the line that passes through (-1,4) and is perpendicular to the line shown.
tatuchka [14]

Answer:

<h3>  y= -3/4x - 4</h3>

Step-by-step explanation:

To write an equation that is perpendicular to a given line, take the negative reciprocal of the given slope. the given slope is 4/3, so the negative reciprocal is -3/4.

Using slope-intercept form of a linear equation, y=mx+b substitute in -3/4 for "m" the slope.

y=-3/4x+b

Now you need to "b" the y-intercept using the given point (-4,-1). Substitute the values in the equation. -1=-3/4(-4)+b simplify

                           -1= 3 + b    subtract 3 for both sides

                           -4=b

         substitue -4 for b.   Now you have    y= -3/4x - 4    this is your answer.

5 0
2 years ago
An isosceles right triangle has an area 8 cm square find the length of its hypotenuse​
Ainat [17]

Answer:

5.9

Step-by-step explanation:

Area of a triangle is 1/2 base times height. the base is the horizontal part of the triangle and the height is the vertical part. Since it a isosceles they are equal. Those two segment are also called the legs (remember that for later). 4x4=16 times 1/2 equal 8 cm squared. So know me must find the hypotenuse. Since we since dealing with a right triangle we are going to use pythagorean theorem which is

{a}^{2}  +  {b}^{2} =  {c}^{2}

where a and b are the LEGS and c is the hypotenuse. the legs are also known as base and height so we use

{4}^{2}  +  {4}^{2}  =  {c}^{2}

which simplify to

16 + 16  =  {c}^{2}

32 =  {c}^{2}

\sqrt{32}

which is about 5.9

6 0
3 years ago
Find an equation of the line that passes through the points (3,-2) and (-7,6).
Ulleksa [173]

Answer:

y = -4/5x + 2/5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Can someone translate this into a verbal expression 3(4j + 4 + j)?
dalvyx [7]
3(5j+4)
15j+12

final answer 15j+12
5 0
3 years ago
Help!!!which of the following best describes the algebraic expression 10x+2
padilas [110]
I believe the correct answer is C) Ten times the quantity of a number plus two. Hope this helps! =)
4 0
3 years ago
Read 2 more answers
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