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Burka [1]
2 years ago
11

4.2x = 13.23 (i need help please!!! it'd mean a lot!!!) its solving equations btwwww

Mathematics
2 answers:
Semenov [28]2 years ago
7 0
Answer: x=3.15
All you do is divide 13.23 by 4.2
Yuliya22 [10]2 years ago
3 0

Answer: the answer would be 3.15 (and btw I just got off this subject in math)

Step-by-step explanation: The reason the answer is 3.15 is because you line up the question (basically how you have it) and divide 13.23 by 4.2 and you get 3.15, hope that helps ;)

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A grapefruit is 8% heavier than an orange, and an apple is 10% lighter than the orange.
likoan [24]
Weight of an grapefruit=weight of an orange+8% weight of an orange
weight of an apple=weight of an orange -10% weight of an orange

a.<span>By what percentage is the grapefruit heavier than the apple?
We should find the connection between grapefruit and an apple. We know the connection between the weight of a grapefruit and an orange, we know the connection between an orange and an apple, so this means we know the connection between a grapefruit and an apple.
</span>
weight of an grapefruit=weight of an <span>orange+8% weight of an orange
</span>weight of an orange=weight of an apple<span> +10% weight of an apple
</span>
-> weight of an grapefruit=weight of an apple+10% weight of an apple + 8%(weight of an apple+10% weight of an apple)= weight of an apple + 18% weight of an apple + 2% weight of an apple= <span>weight of an apple + 20% weight of an apple 

</span><span>b.By what percentage is the apple lighter than the grapefruit?
</span>weight of an grapefruit=weight of an apple + 20% weight of an apple<span> 
</span>
-> The apple ts 20% lighter than the grapefruit.
8 0
2 years ago
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What is the sum of the square root of 100<br> a 1000<br> b 100<br> c 10,000<br> d 10
Natasha2012 [34]

Answer: D The square root of 100 is 10. Or,

√100 = 10

Step-by-step explanation:

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bixtya [17]
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2 years ago
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