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3 years ago

12

Can someone help please this is due in 3 minutes, please show your work I’ll mark you as brainliest but you have to hurry and be

the first to answer it this is 8th grade work PLEASE SHOW YOUR WORK OR YOU WONT BE MARKED BRAINLIEST

1 answer:

kvv77 [185]3 years ago

4 0

Answer:

d = 22g/ 3 cm3

Step-by-step explanation:

Density = mass/ volume

d = 66g/ 9 cm3

d= 22g/3cm3

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find the area of a circle, take π to be 3.142 and give your answer to one decimal place. the radius is 4cm

Ivan

Answer:

A≈50.27

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2 years ago

a student showed the steps below while solving the equation 14=log5(2x-3) by graphing. which step did the student make the 1sr e

mixer [17]

Answer:

$x= \frac{5^{14}+3}{2}$

Step-by-step explanation:

The correct steps to solve the equation are:

$14=log_5(2x-5)$

$5^{14}=5^{log_5(2x-3)}$

Because $a^{log_am}=m$

So, solving we get:

$5^{14}=2x-3$

Sum 3 on every side:

$5^{14}+3=2x-3+3\\5^{14}+3=2x$

Dividing by 2 into both sides:

$\frac{5^{14}+3}{2}=\frac{2x}{2}\\\frac{5^{14}+3}{2}=x$

So, the answer is $x= \frac{5^{14}+3}{2}$

7 0

3 years ago

How to solve inequalities

sertanlavr [38]

Add or subtract numbers from both sides

4 0

3 years ago

Could someone please help me answer both questions!

Nady [450]

Answer:

1. $m = 2n$

2. $m = 3n + 1$

Step-by-step explanation:

1. 8 = 4 * 2; 10 = 5 * 2; 18 = 9 * 2....

2. 4 = 1 * 3 + 1; 7 = 2 * 3 + 1; 10 = 3 * 3 + 1....

3 0

3 years ago

Solve the inequality.<br> 4│x + 5│ - 2 ≤ 10

castortr0y [4]

Step-by-step explanation: To solve this absolute value inequality,

our goal is to get the absolute value by itself on one side of the inequality.

So start by adding 2 to both sides and we have 4|x + 5| ≤ 12.

Now divide both sides by 3 and we have |x + 5| ≤ 3.

Now the the absolute value is isolated, we can split this up.

The first inequality will look exactly like the one

we have right now except for the absolute value.

For the second one, we flip the sign and change the 3 to a negative.

So we have x + 5 ≤ 3 or x + 5 ≥ -3.

Solving each inequality from here, we have x ≤ -2 or x ≥ -8.

6 0

3 years ago

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