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kow [346]
3 years ago
10

You are playing a board game with a friend. At the start, you move four spaces back. On your next turn, you move two spaces forw

ard. Which expression can be used to find how far you are from your original position?
Mathematics
1 answer:
igomit [66]3 years ago
6 0

Answer:

x=-4+2

Step-by-step explanation:

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Write an equation that can be used to solve the problem. Then answer the question asked. A group of college students are volunte
svp [43]

Answer:

Required equation : \frac{1}{t}=\frac{1}{3}+\frac{1}{9}

Together they can paint the same room in 2.25 hours or 2 hours 15 minutes.

Step-by-step explanation:

It is given that Dale Horton can paint a certain room in 3 hours.

One hour woks of Dale Horton = 1/3

Kathy Garcia can paint the same room in 9 hours.

One hour woks of Kathy Garcia = 1/9

Let together they can paint the same room in t hours.

One hour woks of both = 1/t

\frac{1}{t}=\frac{1}{3}+\frac{1}{9}

\frac{1}{t}=\frac{3+1}{9}

\frac{1}{t}=\frac{4}{9}

After reciprocal we get

\frac{t}{1}=\frac{9}{4}

t=2.25

1 hour = 60 minutes.

0.25 hour = 15 minutes.

Therefore, together they can paint the same room in 2.25 hours or 2 hours 15 minutes.

4 0
3 years ago
NEED HELP ASAP<br><br> Question A.) k=5<br> Question B.) ????
andrezito [222]

Answer:

b) f^{-1}(x) = \frac{4x+5}{3}

Step-by-step explanation:

b) To find the inverse function, switch the x and y variables and solve for y:

f(x) = \frac{3x-5}{4}\\y = \frac{3x-5}{4}\\x = \frac{3y-5}{4}\\4x = 3y-5\\4x+5 = 3y\\\frac{4x+5}{3} = y\\f^{-1}(x) = \frac{4x+5}{3}

Verify Answer:

f(1) = \frac{3(1)-5}{4} = -0.5\\f^{-1}(-0.5) = \frac{4(-0.5)+5}{3} = 1

3 0
1 year ago
NEED ANSWER VERY BAD BAD
adelina 88 [10]
5x + 18 + 81 + 4x = 180
Like terms
9x + 99 = 180

9x = 81

X = 9

Hope this helps!
Brainliest is much appreciated
3 0
2 years ago
Write the equation in slope-intercept form. Do not use any spaces. Make sure your answer looks like y=mx+b. y+3=2(x+7) *
seraphim [82]

Answer:

y=2x+11

Step-by-step explanation:

You first have to distribute the 2 to (x+7) to get y+3=2x+14. after that all you have to do is subtract both sides of the equation by 3 to get y=2x+11

6 0
2 years ago
What is the area of the triangle
allochka39001 [22]

Answer:

the area is 60

Step-by-step explanation:

Triangle area fourmula is (h*b)/2

8*15=120 120/2=60

A=60

8 0
3 years ago
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