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yawa3891 [41]
2 years ago
11

The sum of fifteen and six times a number t is eighty one what is the number

Mathematics
1 answer:
yKpoI14uk [10]2 years ago
7 0

Answer: t=11 :))


Step-by-step explanation:

15+6t=81

6t=81-15

6t=66

6t/6=66/6

t=11

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64x-16 I need 3 equivalent expressions
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Answer:

8 (8x - 2)

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Step-by-step explanation:

6 0
2 years ago
What would the graph of 10x + 7y < 49 look ?
navik [9.2K]

Answer: The graph is attached.

Step-by-step explanation:

1. Solve for y, as following:

10x+7y

2. The equation of the line in slope intercept form is:

y=mx+b

Where m is the slope and b is the y-intercept.

3. In this case the equation of the line is:

y=-\frac{10}{7}x+7

then:

m=-\frac{10}{7}\\\\b=7

4. Find the x-intercept. Make y=0. Then:

0=-\frac{10}{7}x+7\\\frac{10}{7}x=7\\x=4.9

5. Then, plot the line that passes through the points (0,7) and (4.9, 0).

6. The symbol of the inequality is < therefore, the line must be dashed and indicates that the region under the line must be shaded.

Then you obtain the graph attached.

8 0
3 years ago
Read 2 more answers
Mr West has a picture that is 4 inches wide and 7
Pepsi [2]

Answer:

Step-by-step explanation:

The ratio of new length 7 to the initial length 19 is 2.7

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6 0
3 years ago
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Solve the following system of equations using a method of your choice.
dusya [7]

Answer:

Step-by-step explanation:

cant remember what this method is called but

change the second equation to be y = something

x + y = 10

y = -x + 10

plug in this y= in the first equation to get x

4x -2(-x + 10) = 4

4x + 2x -20 = 4

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x = 4

then plug in the x we found into the original second equation

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hope this helps <3

8 0
2 years ago
PLEASE HELP!!!!!!!!!!
kolbaska11 [484]
11/18 =0.6111111. I don’t think the ! Has any meaning
3 0
9 months ago
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