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3 years ago

Someone help me with this question please

Mathematics

1 answer:

Naily [24]3 years ago

5 0

Answer: $t\geq 1$

Step-by-step explanation:

you would multiply by 3 on both sides to get the division to go away.

then subtract 8 from both sides.

then you have your answer

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The sales tax for an item was $24.50 and it cost $350 before tax. Find the sales tax rate.

Karo-lina-s [1.5K]

Find the number that when multiplied with 350 will give you 24.5. This number happens to be .07 or in terms of sales tax, 7%.

3 0

2 years ago

1 slope y-intercept equation o 6 5 4 3 2 2 3 5 j-intercept

mars1129 [50]

Answer:

Step-by-step explanation:

(-1,1) and (0,-2) are points on the line

slope of line = (-2-1)/(0-(-1)) = -3

y-intercept = -2

y = -3x - 2

3 0

2 years ago

Solve for x. 3x/2 = 15

defon

3x : 2 = 15

3x = 15 * 2

3x = 30

x = 30 : 3

x = 10

--------------------------------

3(10) :2 = 15

6 0

2 years ago

If a line falls on the points (11, 13) and (4, 12), what is its slope? Enter your answer as a fraction in lowest terms. Use a sl

loris [4]

2/14= 1/7

I just graphed them then did the slope which was rise over run

8 0

3 years ago

Gary ran 7 miles in 55 minutes what his rate of speed in miles per minutes

wel

I reccomend the search bar up at the top ("What is your question") before you ask questions, to make sure they're not already answered.

There is a formula d = rt, distance = rate*time. So
r = d/t.
r = 7mi/55min = 0.127mi/min

Or another way to see this:
$\frac{7 miles}{55min} \frac{/55}{/55} = 0.127 mi/min$

8 0

3 years ago