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laiz [17]
2 years ago
6

First combine the like terms in 4F + (-21)+10 F

Mathematics
1 answer:
vovikov84 [41]2 years ago
6 0

Answer:

7(2f-3)

No step-by-step explanation.Sorry!

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The temperature dropped –4 °F on Monday, –5 °F on Tuesday, and –3 °F on Wednesday. Which equation correctly shows how to find th
Step2247 [10]
You need to use the "mean". -4 + -3 + -5= -12 ÷ by 3 = -4°. the answer is -4
5 0
4 years ago
This table shows values represented by an exponential function.
Bad White [126]

Answer:

a = 2 , f(2)=9

b = 4 , f(4)=64

And replacing the data into the average rate formula we got:

m = \frac{64-9}{4-2}= 27.5

And then the best answer for this case would be:

C. 27.5

Step-by-step explanation:

For this cae we know that the average rate of change of a function is given by this general expresion:

m = \frac{f(b) -f(a)}{b-a}

For this special case from the info of the table we have:

a = 2 , f(2)=9

b = 4 , f(4)=64

And replacing the data into the average rate formula we got:

m = \frac{64-9}{4-2}= 27.5

And then the best answer for this case would be:

C. 27.5

7 0
4 years ago
When 2x − 3(x−1) = −1, find value of x
nikitadnepr [17]

Answer:

x = 4

Step-by-step explanation:

2x-3x+3 = -1

-x+3=-1

-x +3-3= -1 -3

-x = -4

\frac{-x}{-1} = \frac{-4}{-1}

x = 4

6 0
3 years ago
Read 2 more answers
11/12-1/6q+5/6q-1/3 it says its wrong
lozanna [386]

Answer:

2/3q + 7/12

Step-by-step explanation:

If you are trying to simplify your expression

4/6q + 7/12

2/3q + 7/12

5 0
3 years ago
1.) You need to buy grass seed for a new lawn. The lawn will cover a rectangular plot that is 60 feet by 90 feet. Each ounce of
galina1969 [7]
Part A:
First, we will need to compute the area of the lawn.
We are given that the lawn is a rectangular plot with dimensions 60 ft and 90 ft.
Area of rectangle = length * width
Area of lawn = 60 * 90 = 5400 ft^2
Now, we will compute the number of ounces.
We are given that:
<span>Each ounce of grass seed will cover 120 square feet. Therefore, to know the number of ounces needed to cover 5400 square feet, all we have to do is cross multiplication as follows:
1 ounce ---------> 120 square feet
?? ounce --------> 5400 square feet
Number of ounces needed = (5400*1) / (120) = 45 ounces

Part B:
We know that one ounce is equivalent to 0.0625 pounds.
For the lawn, we need 45 ounces, this means that:
number of pounds needed for the lawn = (45*0.0625) / (1) = 2.8125 pounds
which is approximately 3 pounds.
We know that each bag weighs one pound, therefore:
number of bags needed = 3 bags

Hope this helps :)

</span>
7 0
3 years ago
Read 2 more answers
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