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Zolol [24]
3 years ago
8

What is the answer to number 23

Mathematics
1 answer:
attashe74 [19]3 years ago
6 0

The answer is 50/27 or 1 23/27 or approx 1.85185. Here is my work!

Multiply both sides by 10 : 20x + 6x = 50 - x

Collect the like terms: 20x + 6x = 50 - x

Move Variable to Left: 26x + x = 50

Collect like terms: 27x = 50

Divide both sides by 27: 50/27

Hope this helped :))

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Paulo uses an instrument called a densitometer to check that he has the correct ink colour.
tia_tia [17]
If it is said that the range of the answer should be +/- 10% of the particular value, we have to find out the percentage of that particular value. Therefore 10% of 1.8 is,

1.8 * 10/100 = 0.18

If we add this value to the original value,
1.8+0.18 = 1.98

If we subtract this value from the original value,
<span>1.8-0.18 = 1.62
</span>
therefore the range will be,
from 1.62 to 1.98
6 0
3 years ago
SUPER EASY POINTS, i also need some clarification on this question... would i be correct?
bulgar [2K]

Answer:

\bf  \sf \dfrac{1}{3}

<h3>Explanation:</h3>

<u>Take points</u>: (6, 2), (3, 1)

To \ find \ proportionality = \sf \dfrac{y_2-y_1}{x_2-x_1}

<em>Insert values</em>

\rightarrow \sf \dfrac{1-2}{3-6}

<em>Simplify</em>

\rightarrow \sf \dfrac{-1}{-3}

<em>Cancel out the negatives</em>

\rightarrow \sf \dfrac{1}{3}

4 0
2 years ago
Read 2 more answers
A bullet train traveling at 275 kilometers per hour. At that rate, how many kilometers will the train travel in 2-1/2 hours
aleksklad [387]
To find the answer,we can simply multiply 275 by 2-1/2:

275×2-1/2

=275×(2×2+1)/2

=275×5/2

=1375/2

=678-1/2

Therefore, the answer is 678-1/2.

Hope it helps!
5 0
3 years ago
I need help with this​
qwelly [4]

Answer:

x=5

r=13

s=7

m=1

Step-by-step explanation:

basic math

6 0
3 years ago
Read 2 more answers
Pls help!!!! ill mark you brainliest if you get it right!<br>THERES 2 IMAGES
gogolik [260]

Answer:

10. x = 16.5  y = 80 degrees

11. x = 4.5  y = 108 degrees

Step-by-step explanation:

To get the length, it multiplied by 1.5, so just multiply 11 by 1.5. The angles are still the same amount.

Length = *1.33333... and 6 x 1.3333... = 4.5. Angle amounts are still the same

5 0
3 years ago
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