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satela [25.4K]
3 years ago
13

Two friends leave their houses at the same time and run across town towards each other. The first friend runs at a speed of 8 mi

les per hour. The second friend runs at a speed of 7 miles per hour. If they left at 6 p.m. and their houses are 20 miles apart, at what time will they meet?
Mathematics
2 answers:
GalinKa [24]3 years ago
5 0
2 and a half hours estimate
Anna35 [415]3 years ago
3 0

Answer:

7:20 PM.

Step-by-step explanation:

7mph+8mph=15mph

It at least has to be 1 hour(since 15 is one hour and we need 20)

double 15 and we get 30.

if you count by fives starting from 15 to 30, you should get 3.

Now, divide 60 to 3 and you get 20 min.

So, 1 hour plus 20 min is 7:20

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mel-nik [20]

Answer:

There are two x-intercepts.

A quadratic function whose maximum degree two. Therefore, Total two x-intercept possible.

We are given the range of quadratic function y less than equal to 2. It means parabola is downward whose maximum value 2.

Here y is greater than 2 and parabola form downward. Here must be two x-intercept.

If a>0 then form open up parabola.

If a<0 then open down parabola.

Here open down parabola. So, we get total two x-intercept.

Please see the attachment for diagram.

5 0
3 years ago
SIMPLIFY 7/10+1/4-1/5=
Strike441 [17]

Answer:

3/4

Step-by-step explanation:

Q = \frac{7}{10} +\frac{1}{4} -\frac{1}{5}      

{the smallest common multiple of 10, 4 and 5 is 5×2×2 = 20 (denominator)}

Q =\frac{7×2}{10×2} +\frac{1×5}{4×5} -\frac{1×4}{5×4}

=\frac{14}{20} +\frac{5}{20} -\frac{4}{20}

=\frac{14+5-4}{20}

=\frac{15}{20}

=\frac{3×5}{4×5}

=\frac{3}{4}

4 0
3 years ago
Would a field with a wid
Arada [10]
No it is missing 10 yards in length
8 0
3 years ago
Simplify. (-6x^2 + 2y - 1) + (2x^2-5y + 3) A) -4x^2 + 3y -2 B) -4x^2 - 3y - 2 C) -4x^2 + 3y +2 D) -4x^2 -3y +2
Rasek [7]

Combine like terms

-6x^2+2y + -1 +2x^2 + -5y +3

( -6x^2+2x^2)+(2y-5y)+(-1+3)

= -4x^2+3y+2

Answer : C


I hope that's help !


4 0
3 years ago
What is 60 - 56 divided by 8•2 will give brainliest
Paladinen [302]

Answer:

1/4

Step-by-step explanation:

if you subtract the top, and multiply the bottom, the outcome is 4/16 or 1/4

4 0
3 years ago
Read 2 more answers
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