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3 years ago

I really need help with this since it’s practice for my midterms

Mathematics

2 answers:

Eduardwww [97]3 years ago

6 0

Answer:

It is D

Step-by-step explanation:

xz_007 [3.2K]3 years ago

4 0

Answer:

Step-by-step explanation:

Evaluate the fractions inside the absolute value

2 $\frac{5}{6}$ + $\frac{7}{4}$ ( change mixed number to improper fraction )

= $\frac{17}{6}$ + $\frac{7}{4}$ ( the LCM of 6 and 4 is 12 ) , then

= $\frac{17(2)}{6(2)}$ + $\frac{7(3)}{4(3)}$

= $\frac{34}{12}$ + $\frac{21}{12}$ ( add the numerators, leaving the common denominator )

= $\frac{55}{12}$

= 4 $\frac{7}{12}$ → D

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2 years ago

A sample of lake water contains 150grams of salt. If 30% of the water sample is salt, find the number of grams the entire sample

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Answer:

500 grams

Step-by-step explanation:

Let's say that the total number of grams of the sample is x. We know that 30% of x is salt and we also know this quantity is 150 grams. So, we can write this as:

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Remember that % is simply "out of 100", so 30% = 30/100 = 0.30. Then:

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Hope this helps!

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3 years ago

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Step-by-step explanation: :D

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3 years ago

Which of the following is equivalent to 7(2x+1)-2(6x+3)=15

Ivenika [448]

Answer:

2x + 1 = 15

Step-by-step explanation:

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2 years ago

Read 2 more answers

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Art [367]

False!

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- Dysmy ☕

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3 years ago