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NeX [460]
3 years ago
7

Help!

Mathematics
1 answer:
UNO [17]3 years ago
5 0

Answer:

5

Hope it helps

Please mark me as the brainliest

Thank you

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Write an equation of a line that is perpendicular to y=2x-3 and has a y intercept of 10
AnnyKZ [126]
The slope of a line that is perpendicular to another line is the negative reciprocal of the other.

In this case, we know that the slope of the given equation is 2.

Since we're solving for a line perpendicular to it, we simply find the reciprocal of the 2 (It turns into 1/2) and make it negative.

y = -1/2x + b

Since the given states that the new y-intercept is 10, input it into 'b'.

y = -1/2x + 10


If you'd like me to explain anything I did here, just ask :)
-T.B.
4 0
3 years ago
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lukranit [14]
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6 0
3 years ago
Read 2 more answers
Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?
Alenkinab [10]

Answer:

(81 pi)/4 or approximately = 63.62 ft^2

Step-by-step explanation:

As it is a circle, the area for a circle is pi*radius^2, where the radius is 4.5 ft, so area = 4.5^2 * pi.

8 0
3 years ago
18. A science teacher has a supply of 20% saline solution and a supply of 50% saline solution. How much of each solution should
IrinaK [193]

Answer: Option 'B' is correct.

Step-by-step explanation:

Since we have given that

There is a supply of 20% saline solution and a supply of 50% saline solution.

If a teacher wants to mix together to get 60 ml of 28% saline solution for an experiment.

We will use "Mixture Allegation" to find the quantity of each solution:

Ist type of solution                           II nd type of solution

      20%                                                       50%

                                    28%

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

50%-28%                        :                         28%-20%

 22%                               :                            8%

  11                                  :                             4

Since there is total quantity of 60 ml of solution.

So, Quantity of 20% solution in the mixture is given by

\frac{11}{15}\times 60=11\times 4=44\ ml

Quantity of 50% solution in the mixture is given by

\frac{4}{15}\times 60=4\times 4=16\ ml

Hence, there is 44 ml of the 20% solution and 16 ml of the 50% solution.

Therefore, Option 'B' is correct.

8 0
3 years ago
Determine whether the ratios 35 feet every 15 seconds and 7 feet every 2 seconds are equivalent.
murzikaleks [220]

Answer:

Step-by-step explanation:

Find the rate of those two statements:

28 ÷ 16 = 1.75

1.75 ft per seconds

7 ÷ 4 = 1.75

1.75 ft per seconds

Two statements have the same rate, therefore 28 feet every 16 seconds and 7 feet every 4 seconds are equivalent

5 0
2 years ago
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