3 years ago

Are they like terms? 3x & -x

Mathematics

1 answer:

Setler [38]3 years ago

8 0

Yea cuz they both have x

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Write the following numbers correct to one significant figure a) 7682 b)0.07682

malfutka [58]

Answer:

a) 8 x 10^3 or 8000

b) 8 x 10^-2 or .08

Explanation: Refer to a guide on rounding sig figs

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3 years ago

Two dice are rolled, find the probability that the sum of the two equals to 4. show all your work

Sphinxa [80]

If we have 2 dices rolling, we have all 6x6=36 different ways.
But for the sum of the two being 4, we have (1;3), (3;1) and (2;2), only 3 ways.
And we calculate the probability : 3:36= 1/12
Have fun

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3 years ago

A bank charges 3$ every time

Feliz [49]

Well just how many times. That doesn't make much sense

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3 years ago

An Easter basket contains eggs of three different colors. Find the total number of eggs in the basket if 2 7 of all eggs are gre

sashaice [31]

Answer:

56 eggs

Step-by-step explanation:

If $\frac{2}{7}$ of all eggs are green, $\frac{1}{4}$ of all are blue, then

$1-\dfrac{2}{7}-\dfrac{1}{4}=\dfrac{28-2\cdot 4-7}{28}=\dfrac{13}{28}$

of all eggs are red.

We know that there are 26 red eggs

$26\text{ eggs }-\dfrac{13}{28}\\ \\x\text{ eggs }- 1[=\dfrac{28}{28}]$

Make a proportion

$\dfrac{26}{x}=\dfrac{\frac{13}{28}}{1}\\ \\26\cdot 1=x\cdot \dfrac{13}{28}\ [\text{Cross multiply}]\\ \\13x=26\cdot 28\ [\text{Multiply by 28 to get rid of fraction}]\\ \\x=\dfrac{26\cdot 28}{13}\ [\text{Divide by 13 to get x}]\\ \\x=2\cdot 28\\ \\x=56$

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4 years ago

A police officer drives 191 miles in 152 minutes. What is the officer's average speed in miles per hour?

ozzi

Answer: I think I would be about 1.323 miles per Hour

Step-by-step explanation:

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3 years ago