Melinda paints 7/8 of a wall in 1 1/6 hours. What pat of a wall does Melinda paint in 1 MINUTE?

Answers

Answer 1

Answer: $1\ minue=(1)/(60)hour\n 1(1)/(6)=(7)/(6)\n\n (7)/(8)\ wall\ in\ (7)/(6)hours\nx\ wall\ in\ (1)/(60)\n\nProportion:\n(7)/(8)\ - (7)/(6)\nx-\ (1)/(60)\n\ncross\ multiplication\n\n(7)/(8)*(1)/(60)=(7)/(6)x\n\n(7)/(480)=(7)/(6)x\ \ \ | divide\ by\ (7)/(6)\n\n(7)/(480)*(6)/(7)=x\n\nx=(6)/(480)=(1)/(80)\n\n In\ one\ minute\ Melinda\ will\ paint\ (1)/(80)\ of\ wall.$

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Simplify 4/16 to lowest terms and find and equivalent fraction that has a denominator of 32

Three less than x is equal to 13

Answers

Answer:

x = 16

Step-by-step explanation:

Assuming the question is asking to solve for $x$ ,

We can translate the statement "three less than x is equal to 13" into:

$x-3=13$

Three less than x is "x" minus 3
equals to 13 means "=" 13

Thus we can write $x-3=13$ [as above]

Solving for x gives us:

$x-3=13\nx=13+3\nx=16$

x is 16

the answer is sixteen because 13 plus 3 equals sixteen and 16 minus 3 equals 13

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Answers

Answer:

1/20

Step-by-step explanation:

There are 16 marbles, 4 of them blue.

The probability of getting a blue marble on the first draw is 4/16.

Now there are 15 marbles, 3 of them blue.

The probability of getting a blue marble on the second draw is 3/15.

These are independent events, so the total probability is found by multiplying the two probabilities together: 4/16 x 3/15 = 1/20

an electrician has $120 to spend on interior light fixtures. The wholesale price for a 13-watt low-energy lamp is $4. The price for a high-energy lamp is $5. 1)Write the algebraic expression for how much the electrician spends for a units of the low -energy of the low-energy lamp and b units of the high-energy lamp. 2)Write an equation that relates your answer to Exercise 1 to the amount of money the electrician has to spend.

Answers

x = low-energy lamp
y = high-energy lamp

1) 4x + 5y

2) 120= 4x + 5y

Ok, are you ready? Here we go:
First we know that he has 120 dollars, so the first part of the equation is 120 = ?
it equals something, we dont know, so lets find out.
low energy lamp: 13 dollars per unit
High Energy Lamp: 14 dollars per unit
So, 13a (a stands for "a units") and 14b ( b stands for "b units) are the respective equation for the given values, that's question 1
Question 2, we connect the 120 values and the 2 equation we made, so 13a +14b = 120 dollars

What is the solution to 4/9x - 10 > x/3 -12

Answers

Answer:

(4/9)x - 10 > (1/3)x - 12

4x - 90 > 3x - 108

x > -18

The cost of 10 oranges is 1.00 what is the cost of 5 dozen oranges

Answers

The answer is 6 dollars, because first you do 1 dollar divided by 10 oranges, which equals 10 cents per orange. Then you do 5 times 12, because a dozen equals 12, which equals 60. Then you do 60 times 10, which equals 600, turn the answer into cents, which 600 cents, and then convert it to dollars. Then you would get an answer of 6 dollars.

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Can somebody help me writing a number sentence that tells what does the model represent

Answers

There are 5 ovals surrounding bars of 3.
This means that there are 5 groups of 3.

Hope this helps!! (:

That means 3 are in each of the five groups

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