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timama [110]
2 years ago
9

Which algebraic expression represents the difference of fifty four and seven times a number

Mathematics
2 answers:
givi [52]2 years ago
3 0
7x-54 mark as branliest
zmey [24]2 years ago
3 0
7x -54 is the correct
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100 POINTS
olga nikolaevna [1]

Answer:

5.2

Step-by-step explanation:

To find the height of the plant after 7 weeks, we need to find out the equation of the line of best fit and plug in 7 for x. We already have our y - intercept, which is 1,  and we have a point on the x axis for which the y coordinate is an integer, (5, 4). Since we already have the y - intercept of +1 we have y = mx + 1. Since this applies to (5,4) we can plug this in to our equation. This is then 4 = 5m + 1. Subtracting 1 from both sides, we get 3 = 5m. Dividing by 5, we receive m = 3/5. Since now we have our slope, we can plug in 7 and find out our answer. Plugging in 7 we receive, y = 3/5 * 7 + 1, which is equal to y = 4.2 + 1. This means that y = 5.2, so 5.2 is our answer.

6 0
3 years ago
Read 2 more answers
A, B, and C are collinear, and B is between A and C. The ratio of AB to AC is 1:4. If A is at (-7,-8) and B is at (-3,-5) what a
Galina-37 [17]
To get the coordinates of C we shall proceed as follows:

AB:BC=1:4
B-A=[(-3--7),(-5--8)]=(4,3)
4(4,3)=(16,12)
thus the coordinates of C will be:
(16-3,-5+12)
=(13,7)

6 0
3 years ago
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Sarah makes cookies with 2 cups of white flour, 0.5 cups of azimuth flour, and 1.75 cups of whole wheat flour. how much total fl
statuscvo [17]
Total flour used = Sum of all the cups

Total = 2 cups + 0.5 cups + 1.75 cups

         = 4.25 cups of flour

4.25 cups of flour was used.

Hope this explains it.
7 0
3 years ago
1. Draw a diagram to show how many 3/4 foot pieces of string can be cut from a piece of 4 1/2 feet long string.(How many times d
Blizzard [7]
1. 6
2. 6/60=1/10
3. 12
4. 24/2=12
5. 6/4=3/2= 1 1/2
6. 1
7. 7.5= 7 whole servings
7 0
3 years ago
What are plane shapes
madreJ [45]

Answer: A closed, two-dimensional or flat figure

Step-by-step explanation:

6 0
2 years ago
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