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algol13
3 years ago
15

Defiantly need help with this one please HELP AND EXPLAIN

Mathematics
2 answers:
slega [8]3 years ago
7 0
12 miles in 48 minutes
12/48 or 1/4 miles per minute
Times 60 is 15 miles per hour
Darina [25.2K]3 years ago
6 0

Answer:

1.05833333 × 10-7 m/s  

Or

15 mph

Step-by-step explanation:

7.5+4.5=12

12 miles per 48 min

1.05833333 × 10-7 m/s  

Or

12/48 = 1/4

1/4 x 60 = 15

15 mph

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Can you Help me please
Evgen [1.6K]

Answer:

-1

Step-by-step explanation:

mn = -3 because 3 × -1 = -3

p^2 = 4 because 2^2 = 4

Then 4 + -3 = -1

6 0
3 years ago
Read 2 more answers
Y-3=5(x-2)<br> what are the intercepts t of x and y<br> x=(_,_)<br> y=(_,_)
yan [13]

The\ x\ intercept\ is\ (\frac{7}{5}, 0)

The y intercept is (0, -7)

<em><u>Solution:</u></em>

<em><u>Given equation is:</u></em>

y - 3 = 5(x - 2)

<em><u>Find the x intercept</u></em>

Substitute y = 0 in given equation

0-3=5(x-2)\\\\-3=5x - 10\\\\5x = -3 + 10\\\\5x = 7\\\\x = \frac{7}{5}\\\\Thus\ the\ x\ intercept\ is\ (\frac{7}{5}, 0)

<em><u>Find the y intercept:</u></em>

Substitute x = 0 in given equation

y - 3 = 5(0-2)\\\\y - 3 = -10\\\\y = -10 + 3\\\\y = -7

Thus the y intercept is (0, -7)

4 0
3 years ago
2 GEOMETRY QUESTIONS!!<br><br> Please explain and give answer. Thanks.
Rom4ik [11]
NQS= 30

you just subtract 78-48 to get 30 
7 0
3 years ago
Which choice is equivalent to the product below when x &gt; 0?
anastassius [24]

The product below is equivalent when x > 0 is <u>1/9</u>

       

<h3>Resolution - Explanation</h3>

Square root is a real number x multiplied by itself - which results in a perfect value, where it is possible to calculate the real proof (which is the square root).

             

Given the expression, \large \sf \sqrt{\dfrac{1}{x^{2} } }  \cdot \sqrt{\dfrac{x^{2} }{81} }, first step: we will calculate the root of the numerator and denominator of this fraction:

<u />

<u />\\\large \sf \sqrt{\dfrac{1}{x^{2} } }  \cdot \sqrt{\dfrac{x^{2} }{81} }

\large \sf \dfrac{\sqrt{1} }{\sqrt{x^{2} } }  \rightarrow \dfrac{1}{x}

\large \sf \dfrac{\sqrt{x^{2} } }{\sqrt{81 } }  \rightarrow \dfrac{x}{9}\\\\

Step two: rearranging the expression and canceling the common factors x, we will have,:

\\\large \sf \dfrac{1}{\not x} \cdot \dfrac{\not x}{9}

\pink{\boxed{\large \sf \dfrac{1}{9} }}\\

Therefore, the final answer to this multiplication will be 1/9.

6 0
2 years ago
A television costs $350 before sales tax is applied. The final cost of the television was $378.
lana [24]
To get the answer we can use proportion. We know that 350 its 100% and 378 its 100% + taxes.
350% ------------ 100
378% ------------ x
cross multiply now
350*x=378*100
350x=37800      /:350
x=108 
Now we see that taxes its 8%, because final price its 100% + taxes = 108%

7 0
4 years ago
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