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1 year ago

2×3+42×2what's 2 * 3 + 4 * 2

Mathematics

1 answer:

ludmilkaskok [199]1 year ago

3 0

To know the result, we need to make first the multiplications and then the sum, So:

2 * 3 + 4 * 2

( 2 * 3) + (4 * 2)

6 + 8

For the following expression, the result is:

2×3 + 42×2

(2×3) + (42×2)

6 + 84

Answer: 14

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Which of the following equations is on the same path as x=2-3t, y=7-6t?

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Answer:

C. $y = 3+2\cdot x$

Step-by-step explanation:

Let be the parametric equations $x = 2-3\cdot t$ and $y = 7 - 6\cdot t$ , we need to clear $t$ and eliminate it afterwards to obtain a function of the form $y = f(x)$ :

$x = 2 - 3\cdot t$

$3\cdot t = 2 - x$

$t = \frac{2}{3}-\frac{1}{3}\cdot x$ (1)

$y = 7 - 6\cdot t$

$6\cdot t = 7 - y$

$t = \frac{7}{6} - \frac{1}{6}\cdot y$ (2)

By (1) and (2):

$\frac{2}{3}-\frac{1}{3}\cdot x = \frac{7}{6}-\frac{1}{6}\cdot y$

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$y = 3+2\cdot x$

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3 years ago

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Step-by-step explanation:

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4 years ago

Which point is a reflection of (1.5, -4.5) across the x-axis and the y-axis? A. Point I B. Point J C. Point K D. Point L E. Poin

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A 16-ounce can of carrots for $1.29 OR a 20-ounce can of carrots for $1.49

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3 years ago

Read 2 more answers

This is algebra 1 (solve a system of equation using any method: word problems)

hodyreva [135]

Answer:

Hence, it will take 9 seconds for kirk to run 63+9=72 yards and catch upto Max.

Step-by-step explanation:

Let 'y' represents the time Max and Kirk took to meet.

Let the distance between the destination where they will meet from the place where Max is be: x yards

So the distance of destination from initial position of kirk is x+9 yards ( As Max is given a head start of 9 yards)

As speed of Max is 7 yards per sec.

And $speed=\dfrac{distance}{time}$

Hence,

$7=\dfrac{x}{y}$

$7y=x\\\\-x+7y=0-------(1)$

also speed of kirk is 8 yards per second.

By the similar definition of speed we have:

$8=\dfrac{x+9}{y}\\\\8y=x+9\\\\-x+8y=9--------(2)$

Hence (1) and (2) are the required system of equation.

So on solving the system of equations by elimination method we have:

y=9 and x=63.

Hence, it will take 9 seconds for kirk to run 63+9=72 yards and catch upto Max.

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3 years ago