2 years ago

Match each unit rate to the graph that represents it.

Mathematics

1 answer:

bogdanovich [222]2 years ago

5 0

It is 10 because of the equation on the left

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Which equation has solution x = -3? *

Alex73 [517]

Answer:

1/2(2x-6)= -6

Step-by-step explanation:

Multiply the two sides by the equation 2

2x-6=12

move the constant to the right hand side change sign

2x = -12 + 6

calculate the sum

2x= -6

Divide the 2 sides by 2

x= -3

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2 years ago

Marianne owes $56 for tickets to the school play. If each ticket cost $4, how many tickets did she buy?

Aleks04 [339]

The answer is 14. 54/4=14

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2 years ago

Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 126 times in 7 minutes. What is her

vlabodo [156]

18 blinks per min since 126 divided by 7 equals 18

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2 years ago

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Phythagoras was born about 582bc.issac Newton was born in 1643 ad .how many years apart were they born

tigry1 [53]

Answer:

2,225

Step-by-step explanation:

You have to imagine it as a number line, with Christs death for 0. 582 years in the other direction, towards the positives, gives you 582. Plus the 1,643 years, and you have to solve 582 + 1,643

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3 years ago

Find the altitude of an equilateral triangle whose perimeter is 18

Rainbow [258]

Answer:

3√3 units

Step-by-step explanation:

We are asked to find the altitude of the equilateral triangle whose perimeter is 18 . Firstly let us find the side of the∆.

$\rm \implies a + a + a = 18 \\\\\rm\implies 3a = 18 \\\\\rm\implies a = 6$

Now we know that in a equilateral triangle , the altitude of the triangle with side length a is ,

$\rm\implies Altitude =\dfrac{\sqrt3}{2} a$

Plug in the value of a that is 6 , we will get ,

$\rm\implies Altitude =\dfrac{\sqrt 3}{2} a \\\\\rm\implies Altitude =\dfrac{ \sqrt3}{2}\times 6 \\\\\rm\implies Altitude = \sqrt3 \times 3 \\\\\rm\implies\boxed{ \bf Altitude = 3\sqrt3 \ units }$

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2 years ago