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3 years ago

PLEASE ANSWER ASAP!!

Mathematics

2 answers:

777dan777 [17]3 years ago

6 0

Answer:

D) 5/10

Step-by-step explanation:

1/5 = 2/10
Plug 2/10 in: 7/10 - 2/10
7/10 - 2/10 = 5/10

I hope this helps!

lord [1]3 years ago

6 0

Answer:

D) 5/10

Step-by-step explanation:

1/5= 2/10

7/10 - 2/10 = 5/10

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Write a system of equations to describe the situation below, solve using elimination.

Sedbober [7]

Answer:

The cost of hardbook is $9 and cost of paperback is $5.

Step-by-step explanation:

Let x be the price for hardback book and y be the price for paperback book.

Mr. Yamamoto purchased 42 new hardcover books and 64 new paperback books, which cost a total of $698.

We can write the equation as:

$42x + 64y = 698$

He also purchased 42 new hardcover books and 58 new paperback books, which cost a total of $668.

We can write the equation as:

$42x + 58y = 668$

We have to use the elimination method to solve the two equations.

We eliminate x by subtracting the two equations.

$42x + 64y-(42x + 58y) = 698 - 668\\\Rightarrow 6y = 30\\\Rightarrow y = 5\\42x + 64(5) = 698\\\\\Rightarrow x = \displaystyle\frac{698 - 64(5)}{42}\\\\\Rightarrow x = 9$

Thus, the cost of hardbook is $9 and cost of paperback is $5.

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3 years ago

Also how would you round 2.59 to the nearest tenths ?

Maslowich

Answer:

Step-by-step explanation:

The tenths digit is the 5.

Drop every digit after the 5. You get 2.5

Now you need to see if the 5 stays as it is or if it goes up by 1 to 6.

The first digit after the 5 you dropped is 9. Since 9 is greater than 4, the previous digit goes up by 1, so the 5 becomes a 6.

The final answer is 2.6

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netineya [11]

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4 years ago

How do you solve 3/4 (5+x) + 4 = 3x + 1? Thanks:)

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3 years ago

Simplify: StartRoot 324 EndRoot 1. Write the prime factorization of the radicand. StartRoot 324 EndRoot = StartRoot 2 times 2 ti

Savatey [412]

Answer:

Step-by-step explanation:

To continue where you left off, ...

$\sqrt{2^2}\times\sqrt{3^2}\times\sqrt{3^2}=2\times 3\times 3=18$

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3 years ago

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