2x + 2x + 2 = 4x + 2PLEASE ANSWER ASAP! I'll send u 5 dollars ! but please hurry :(

Mathematics

1 answer:

saw5 [17]3 years ago

6 0

Answer:

All real numbers make this equation true (-∞,∞)

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May I please get help with other this problem for I am confused as I have tried multiple times to get the right answer

Aleks [24]

Using pythagoras

$\begin{gathered} x^2=16^2+12^2 \\ x^2=256+144 \\ x^2=400 \\ \text{Take the square root} \\ x=20 \end{gathered}$

The final answer

$20$

5 0

1 year ago

A checking account rounds the amount of money deposited to the nearest hundredths place. After tax returns on April 15th, Yuan e

ludmilkaskok [199]

Answer:

$\boxed{\text{\$336.35}}$

Step-by-step explanation:

Yuan earned $336.3457.

You are asked to round this number to the nearest hundredth, that is, so there are only two digits after the decimal.

$336.34|57

A rule in rounding numbers is: if the first figure to be dropped is 5 with any nonzero digits following it, then the last figure kept should be rounded up (increased by 1).

The number becomes $336.35.

$\boxed{\large \textbf{\$336.35}} \text{ was placed in Yuan's checking account}$

6 0

4 years ago

A chemist needs 2,220 ml of potassium chloride to complete an experiment. She has 2 L. How many more liters does she need?

DerKrebs [107]

Answer:

0.220 L

Step-by-step explanation:

One liter is 1000 mL, so 2,220 mL is 2.220 L. Subtracting the 2 L on hand gives the additional amount required:

2.220 L - 2 L = 0.220 L

_____

The nice thing about metric units is that conversion factors are often powers of 10, so only movement of the decimal point is required. It can be worthwhile to become familiar with the SI prefixes.