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6 months ago

10

Translate this phrase into an algebraic expression 23 more than twice a number use the variable n to represent the unknown numbe

r

1 answer:

Anna71 [15]6 months ago

5 0

In general, 23 more than a number is written as

$x+23$

In our case, x is 'twice a number'; thus,

$x=2*n=2n$

Finally, the whole expression is

$2n+23$ <h2>The answer is 2n+23</h2>

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Jonathan is using the microscope in lab. He saw a chain of bacteria that was 10 millimeters long,

AysviL [449]

We have been given that Jonathan is using the microscope in lab. He saw a chain of bacteria that was 10 millimeters long. We are asked to find the length of chain of bacteria in centimeters.

We know that 1 millimeter is equal to 0.1 centimeter.

To convert 10 milllimeters into centimeters, we will multiply 10 by 0.1.

$\text{Length of bacteria in cm}=10\text{ mm}\times \frac{0.1\text{ cm}}{\text{1 mm}}$

$\text{Length of bacteria in cm}=10\times 0.1\text{ cm}$

$\text{Length of bacteria in cm}=1\text{ cm}$

Therefore, the chain of the bacteria is 1 cm long.

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3 years ago

Can someone help me please

Lisa [10]

Answer:

perimeter is 12x-6

Step-by-step explanation:

perimeter is the sum of all sides

3(x+2) + 2x+11 + 7x-23

distribute the 3 in the first term, then combine 'like terms'

3x+6 + 2x+11 + 7x-23

3x+2x+7x + 6+11+(-23)

12x-6

4 0

1 year ago

Read 2 more answers

3x+17 less than or equal to 2(1-x)

MrRa [10]

Answer:

x ≤ -5

Step-by-step explanation:

According to given condition:

3x + 17 ≤ 2(1 - x)

By simplifying:

3x + 17 ≤ 2 - 2x

Adding 2x - 17 on both sides we get:

3x + 2x ≤ 2 - 17

5x ≤ - 15

Dividing both sides by 5 we get:

x ≤ -5

i hope it will help you!

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2 years ago

What is the volume that can fit exactly 128 cubes with 1/2 inch sides?

aleksandrvk [35]

I think it is 64 cause i multiplied

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3 years ago

The ratio of jumps to falls for ice skater Rhonda is 4 falls to every 15 jumps. At this rate, how many times will she not fall i

Inessa05 [86]

<u>Answer:</u>

Rhonda will not fall 264 times in 360 jumps.

<u>Solution:</u>

Given, The ratio of jumps to falls for ice skater Rhonda is 4 falls to every 15 jumps.

We have to find At this rate, how many times will she not fall in 360 jumps.

Now,

For 15 jumps → 4 falls

For 360 jumps → n falls

Now apply Chris cross method,

$15 \times n=360 \times 4 \rightarrow n=\frac{360 \times 4}{15}=24 \times 4=96$

So, she falls 96 times in 360 jumps.

Then, number of times she will not fall = 360 jumps – 96 falls = 264 times.

Hence, Rhonda will not fall 264 times in 360 jumps.

8 0

3 years ago