3 years ago

How do I answer a b c d e

Mathematics

1 answer:

goldenfox [79]3 years ago

7 0

Take a pencil put it on the paper then make sure the ink is on the paper then write

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Find the slope of the line through each pair of points (2, -11), (7, -20)

baherus [9]

7 - 2 = 5
-20 + 11 = -9
slope is 5/-9 or -5/9
(5 right / 9 down)

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2 years ago

Solve the following formula for b<br><br> y=6(5a+3b)<br> what does b equal

Ratling [72]

Answer:

30a + 18b

Step-by-step explanation:

6(5a+3b)

Just multiply the six in both numbers

( 6x5a) + (6x3b)

= 30a +18b

Hope this helps =)

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3 years ago

How to I find the right equation?

borishaifa [10]

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8 0

3 years ago

Anja stands by the side of the road counting the wheels on the vehicles that go past her if she counts 250 wheels tie many cars

Juliette [100K]

Answer:

50 cars and 25 bikes

Step-by-step explanation:

Given

Total wheels = 250

Required:

Number of cars and bikes

Let C represent Cars and B represents Bike

A car has 4 wheels and a bike has 2 wheels;

So,

$4C + 2B = 250$

Divide through by 2

$\frac{4C + 2B}{2} = \frac{250}{2}$

$2C + B = 125$ ---- Equation 1

The ratio of wheels of cars to wheels of bike is 1:2

Meaning that

1C = 2B

So, C = 2B

Substitute 2B for C in equation 1

$2(2B) + B = 125$

$4B + B = 125$

$5B = 125$

Divide both sides by 5

$\frac{5B}{5} = \frac{125}{5}$

$B = \frac{125}{5}$

$B = 25$

Recall that C = 2B

So,

$C = 2 * 25$

$C = 50$

Hence, Anna has seen 50 cars and 25 bikes

6 0

3 years ago

Please help Im giving 25 points

Alex787 [66]

It’s 5/7 5/8 I did the math

6 0

3 years ago

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How do I answer a b c d e​

How do I answer a b c d e