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alina1380 [7]
1 year ago
5

Dude this should be so easy but this is going in one ear and out the other how do I do this send help ​

Mathematics
1 answer:
kipiarov [429]1 year ago
6 0

Answer:

0.5 hours

Explanation:

Given:

  • speed: 17 miles/hour
  • distance: 8 miles

Formula:

  • time taken = distance ÷ speed

Solve:

  • time taken = 8 ÷ 17 = 0.4706 ≈ 0.5 hours  (rounded to nearest tenth)
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What is the solution to the system of equations <br><br> 3x+2y=39<br> 5x-y=13
Marta_Voda [28]

3x + 2y = 39

5x - y = 13

Multiplying the last by two:

10x - 2y = 26

Adding to the first

13x = 65

x = 5

y = 5x-13 =25-13=12


Check:

3(5)+2(12)=39 good

5(5)-12=13 good


Answer: x=5, y=12


8 0
3 years ago
HELP WITH NUMBER 13 please
amid [387]

Answer: QE = 10

Step-by-step explanation: To solve this problem, it's important to understand that the diagonals of a parallelogram bisect each other.

This means that E is the midpoint of diagonal SQ.

So we can setup the equation x² + 9x = 4x + 6.

To solve this polynomial equation, set it equal to zero first.

So we have x² + 5x - 6 = 0 and we get (x + 6)(x - 1) = 0

when we factor the left side of the equation.

So this means that x = -6 or x = 1.

However, -6 will give us a negative length when we plug it in

to find QE so this will not work.

However, plugging 1 in will give us 10 as a length so QE = 10.

4 0
2 years ago
Which graph has a slope of 4/5
Lana71 [14]

Answer: whichever graph that goes up 4 and over 5

Step-by-step explanation:

rise over run, 4 up, 5 right

to find it just look at two points on the line and count how many up and how many horizontal units there are between them :)

4 0
3 years ago
How did I get a 2 here (simplifying ratios)
PilotLPTM [1.2K]

Answer:

\frac{2x {}^{2} + 14x + 24 }{4 {x}^{2} + 4x - 48 }  =  \frac{x + 4}{2(x - 2)}

Step-by-step explanation:

Please see attached picture for full solution.

4 0
3 years ago
Samantha has 23 strawberries and wants to put 4 strawberries into each bowl. How many bowls can samantha put exactly 4 strawberr
kvasek [131]
To solve the questions,we can first divide 23 by 4:

23÷4
=5..3

As we divide 23 by 4, there would be 3 strawberries left which cannot be counted as a bowl with 4 exactly strawberries.

Therefore the answer is 5.

Hope it helps!
5 0
3 years ago
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