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PtichkaEL [24]
3 years ago
11

If a car is traveling at a constant rate of 20 miles per hour, how far would it

Mathematics
2 answers:
RUDIKE [14]3 years ago
6 0

Answer:

60 miles

Step-by-step explanation:

20 miles in 1 hour

times 3 hours

20 x 3 = 60

Ilia_Sergeevich [38]3 years ago
3 0

Answer:

60 miles

Step-by-step explanation:

Take 20 and multiple by 3 which gives you 60

hope this helps

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Two sides of a triangle are two consecutive number, whose area is 17.5cm². Find the numbers
AveGali [126]

Answer:

The numbers associated with the triangle are 5.437 and 6.437 centimeters, respectively.

Step-by-step explanation:

Two numbers are consecutives, when their difference is equal to 1. The area of the triangle is determined by the following formula:

A = \frac{1}{2}\cdot n \cdot (n+1)

A = \frac{1}{2}\cdot (n^{2}+n)

A = \frac{n^{2}}{2}+\frac{n}{2}

n^{2}+n = 2\cdot A

Where n is the shortest length of the triangle, measured in centimeters.

And we get the following second-order polynomial:

n^{2}+n -2\cdot A = 0 (1)

If we know that A = 17.5\,cm^{2}, then the shortest length of the triangle is:

n_{1} = 5.437\,cm and n_{2} \approx -6.437\,cm

Since length is a positive variable, the only possible solution is:

n\approx  5.437\,cm

Then, the numbers associated with the triangle are 5.437 and 6.437 centimeters, respectively.

6 0
2 years ago
What’s the height of a right triangle with an angle that measures 45 degrees and a base of 16?
nikklg [1K]

I got h = 11.31371.

Hope this helps!

7 0
2 years ago
Please help A.S.A.P it's due tomorrow morning?<br><br> what is y = 2x + 5 and f(x) = 2x + 5
amid [387]

Answer:

they are equal

Step-by-step explanation:

f(x) means the same thing as y.

3 0
3 years ago
Read 2 more answers
Please answer asap. thank you
DochEvi [55]

Answer:

7 Seconds

Step-by-step explanation:

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8 0
2 years ago
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If measure of angle 1 = 2x+6 and measure of angle 2 = 8x+4 where angles 1 and 2 are supplementary, then how much is the actual m
nlexa [21]

Answer:

The actual measure of ∠1 = 40°

Step-by-step explanation:

We are given: ∠1 = 2x+6 and ∠2 = 8x+4

and both angles are supplementary. we need to find the actual measure of ∠1

Supplementary angles: If the angles are supplementary their sum is equal to 180°

In our case ∠1 +∠2 = 180°

2x+6+8x+4=180

Solving the equation to find x, then we can find the actual measure of ∠1

2x+6+8x+4=180\\10x+10=180\\10x=180-10\\10x=170\\x=170/10\\x=17

So, value of x = 17

Now, finding actual measure of ∠1 by putting x=17 in equation 2x+6

\angle1=2(17)+6\\\angle1=34+6\\\angle1=40

So, the actual measure of ∠1 = 40°

8 0
2 years ago
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