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11Alexandr11 [23.1K]
2 years ago
11

Given m/n find the value of x if (x-3) and if (8x +3 )

Mathematics
1 answer:
Tpy6a [65]2 years ago
6 0

Answer:

x= 8 Step-by-step explanation:

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Dollar is worth three and 3 1/2 kruneros. What is the value of 43 3/4 kruneros?
Korvikt [17]

<em><u>Question:</u></em>

One dollar is worth 3 1/2 kruneros. What is the value of 43 3/4 kruneros?

<em><u>Answer:</u></em>

The value of 43\frac{3}{4} kruneros is 12.5 dollars

<em><u>Solution:</u></em>

Given that,

Dollar is worth three and 3 1/2 kruneros

Which means,

1 \text{ dollar } = 3\frac{1}{2} \text{ kruneros }\\\\1 \text{ dollar } = 3.5 \text{ kruneros }

We have to find the value of 43\frac{3}{4} kruneros

Let us convert the mixed fractions to improper fractions

Multiply the whole number part by the fraction's denominator.

Add that to the numerator.

Then write the result on top of the denominator.

43\frac{3}{4} = \frac{43 \times 4 + 3}{4} = \frac{175}{4} = 43.75

So we have to find the value of 43.75 kruneros

Let "x" be the value of 43.75 kruneros

Then,

1 dollar = 3.5 kruneros

x dollar = 43.75 kruneros

This forms a proportion and we can solve the sum by cross multiply

1 \times 43.75 = x \times 3.5\\\\x = \frac{43.75}{3.5}\\\\x = 12.5

Thus value of 43\frac{3}{4} kruneros is 12.5 dollars

5 0
2 years ago
Can I get some help with 1) plz
erik [133]
Your answer is 12 because 8*4=24 and 3*4=12                                                                                                                                                                                                                 Your answer is 12
6 0
3 years ago
Read 2 more answers
I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER what is the value o
ivanzaharov [21]

Answer:

x= 29

Step-by-step explanation:

use Pythagoras because it has a right angle and 2 sides length is given.

when the hypoteneus(side opposite the right angle) is the value you are finding out you use the equation : x²+y²=hypoteneus² (Pythagoras)

then you sub in the values you are given

(21)² + (20)² = hypoteneus²

them take the square root (²) to the opposite side to find the hypoteneus

square root (441+400) = hypoteneus

now you can put into a calculator and you get the value

hypoteneus =29 (for reference to hypoteneus is the same as X-the value you are looking for)

therefore, x=29

for extra reference, say you want to work out a side that is not the hypotenues you use the formula ,

(side u looking for)² = (hypotenues)² - (other side given)²

5 0
2 years ago
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For each incorrect answer on a test, the teacher changes the total points possible by −4 points. The total number of points poss
cricket20 [7]

Answer:

-4×9=-36

then 64-36=28

4 0
2 years ago
Georgia lifts free weights. The bar weighs 25 pounds. She puts two 25-pound weights and two 10-pound weights on the bar. How muc
zubka84 [21]
First you will add 25+25=50-pounds 
Second you will add 10+10=20-pounds
Third you will add 50+20=70-pounds for all the weights
Fourth you will add the total pounds of all the weights and the weight of the bar 70+25=95
So, the answer would be 95-pounds.
Hope this helps! Have a good day!

7 0
3 years ago
Read 2 more answers
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