MATHEMATICS MIDDLE SCHOOL

~ALGEBRA! PLEASE HELP!~Austin is climbing on a ladder that is attached against the side of a jungle gym wall. He is 5 feet off the ground and 3 feet horizontally from the base of the ladder, which is 15 feet from the wall. How high up the wall is the top of the ladder?
~Please show work :)

Answers

Answer 1
Answer: so I get it now!

so he is currently 5 feet vertically form the wall
he is currently 3 feet horizonatlly from the wall
the ladder's base is 15 total feet from the wall

height:base=5:3

to find the total height
x:15
multiply 5:3 by 5
25:15

so the top of the ladders's vertical height is 25 feet

so the answer is the ladder is 25 feet from the ground
Answer 2
Answer:

Answer:23

Step-by-step explanation:ok

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Help PleAsE??What is the point-slope form of the equation of a line that passes through the point (6, −8) and has a slope of −2?
A.y+8=2(x-6)

B.y+8=-2(x-6)

C.y-6=-2(x-8)

D.y-8=-2(x+6)

Answers

y - y1 = m(x - x1)

Where 'y1' is the y-value of the point, 'x1' is the x-value of the point, and 'm' is the slope.

So in this case:

y1 = -8
x1 = 6
m = -2

Plug them in:

y - (-8) = -2(x - 6)

or

y + 8 = -2(x - 6)
Point slope form is:
\sf {y - y_1 = m(x - x_1)}

Where \sf{(x_1,y_1)} is the point and \sf{m} is the slope.

So from your question:

\sf{ x_1 = 6}
\sf{y_1 = -8}
 \sf{m = -2}

Plug them into the equation for point slope form:

\sf {y - y_1 = m(x - x_1)}

Becomes when you plug it in:

\sf{y-(-8) = -2(x - 6)}

And when you subtract a negative that becomes addition so:

\sf{y+ 8 = -2(x - 6)}

And that would correlate to answer choice \sf{\boxed{B}}

Your round-trip drive to work is 4 3/10 miles. How many miles do you drive to and from work in 3 days?

Answers

12.9 would be the correct answer.

TRANSLATING WORDS TO EXPRESSIONS 1.One chair costs $25.50 more than twice as much a another one
2.The quotient of 8 times a number and 3
3.One bed costs $100 less than three times as much as another bed

You dont have to do all. Some will help

Answers

1)
y = 2x + 25.50
where x = the price of the first chair and y = the price of the second chair.

2)
y = 8x/3   OR   y = 8/3 x (eight thirds times x)

3) y = 3x - 100
where x = the price of the other bed and y = the price of the "one bed"

If you don't understand one of them, just ask for an explanation.

3x+5=245

Helpppppppppppp

Answers

Answer:

X = 80

Step-by-step explanation:

Subtract "5" from both sides,

3x + 5 - 5 = 245 - 5

Simplify,

3x = 240

Divide both sides by "3",

3x/3 = 240/3

X = 80


Hope this helps :-)
3x + 5 = 245
Subtract 5 from both sides to get x alone on one side
3x = 246
Now divide by 3 on both sides
x = 82

Evaluate z + z + z for x = 2, y = -3, z = -4.

Answers


" z + z + z " is just  3z  and doesn't depend on 'x' or 'y'.

If  z=-4, then (z + z + z) = 3z = -12.

Evaluate.



2 • {[5 • (60 – 14 ÷ 7)] + 25} • 5

Answers

The answer is 3150 :)
BODMAS
brackets, division, multiplication, addition, subtraction
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