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3 years ago

Help GIVING BRAINLISTTTT

Mathematics

2 answers:

Helga [31]3 years ago

6 0

Answer:

12*3=36

Step-by-step explanation:

Lunna [17]3 years ago

5 0

Answer:

12 x 3 = 36

Step-by-step explanation:

This is a Multiplication problem Because the Factory can produce 12 shoelaces in 3 minutes so take 12 and multiply it by 3 and your answer is 36. So the factory made 36 shoelaces in that time.

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What is the value of x in the equation 3x-4y=65, when y=4?

Andrew [12]

Step-by-step explanation:

3x - 4(4) = 65

3x - 16 = 65

3x = 81

x = 27

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3 years ago

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3 years ago

Read 2 more answers

The distance between the cities Atlanta and Indianapolis is 540 miles. A motorcycle's speed is 48 mph. For a car it takes 2.25 h

WITCHER [35]

Answer:

It will take them 5 hours to meet if they start moving towards eachother simultaneusly.

Step-by-step explanation:

Distance, s = 540 miles

Motocycle's speed, v = 48 mph

Time for motorcycle to cover 48 miles, t = $\frac{Distance}{Speed}$

= $\frac{540}{48}$ = 11.25 h

For a car it takes 2.25 hours less than 11.25 for motorcycle:

Time for car than becomes: 11.25 - 2.25 = 9 h

Speed for car would be v(c) = $\frac{Distance}{Time}$

= $\frac{540}{9}$ = 60 mph

<em>For finding when they will meet, we will need relative speed: </em>

Since they are moving towards each other the relative speed is the sum of speed of car and the speed of motorcycle

Relative Speed = 48 + 60 = 108 mph

Distance = 540 miles

Time = $\frac{Distance}{Speed}$

= $\frac{540}{108}$

= 5 hours

6 0

3 years ago

Find the sum of 2/9+3/5

LUCKY_DIMON [66]

Answer:

37/45

Step-by-step explanation:

Find the least common denominator, in this case, it would be 45

2/9 (multiply both the numerator and denominator by 5) = 10/45

3/5 (multiply both the numerator and denominator by 9) = 27/45

10/45 + 27/45 = 37/45

7 0

3 years ago

If the relationship is proportional, what is the missing value from the table

lesya [120]

Given:

Consider the below figure attached with this question.

The table represents a proportional relationship.

To find:

The missing value from the table.

Solution:

If y is proportional to x, then

$y\propto x$

$y=kx$ ...(i)

Where, k is a constant of proportionality.

The relationship passes through the point (-3,-1). Substituting $x=-3,y=-1$ in (i), we get

$-1=k(-3)$

$\dfrac{-1}{-3}=k$

$\dfrac{1}{3}=k$

Putting $k=\dfrac{1}{3}$ in (i), we get

$y=\dfrac{1}{3}x$ ...(ii)

We need to find the y-value for $x=-12$ .

Substituting $x=-12$ in (ii), we get

$y=\dfrac{1}{3}(-12)$

$y=-4$

Therefore, the missing value in the table is -4. Hence, option D is correct.

7 0

3 years ago