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Over [174]
3 years ago
8

Explain how you can find the value of the expression -5+12+10-7

Mathematics
2 answers:
Oliga [24]3 years ago
5 0
-- Take. -5 . -- Add 12. to it. -- To the result, add 10. --- From that result, subtract 7 . -- The current result is the value of the expression.
erica [24]3 years ago
4 0
Well... -5+12 you gotta add that first and look for the biggest number that's when you can decide whether the answer is - or + so -5+12= 7 then you add 7+10 which is 17 and then 17-(-7) WAIT (did you know that when a negative sign is besides a subtraction sign you change the subtraction sign for a + and the number is not gonna be negative and it changes into a positive so 17 -(-7) {17+7}= 24 if you doubt use a calculator! HOPE I HELPED! And I was really bad about this too, I just understood today. LOL
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A chemist is using 382 milliliters of a solution of acid and water. If 15.4% of the solution is acid, how many milliliters of ac
Elina [12.6K]

Answer:

58.8

Step-by-step explanation:

basic facts:

-15.4% is the same as 15.4/100

- the word 'of' in maths means times

so 15.4% of the 382ml is the same as

382*15.4/100

to do that, you multiply 382 by 15.4 = 5882.8

then you divide that by 100= 58.828

and then you just round that of to 58.8

                                 

8 0
3 years ago
The store buys a vase for $25. The vase sells for $55. What is the markup on the vase?
Hatshy [7]

Answer:

The answer is $30

Step-by-step explanation:

Markup refers to the amount added to the cost price of goods to cover overhead and profit.

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$55-$25=$30

hope this helps please mark brainliest :)

4 0
2 years ago
Read 2 more answers
Make a down payment of $1500 and finance the rest of $20000 at 1.9% interest rate, making equal monthly payments for 5 years.
Rudik [331]
We know that we have to m<span>ake a down payment of $1500 and finance the rest of $20000 at a 1.9% interest rate, making equal monthly payments for 5 years. Our first step to solve this problem would be to convert 5 years into months. 

1 year = 12 months 

12 * 5 = 60 months 

Therefore, in 5 years there are 60 months. 

Now lets solve this problem step by step. 

Subtract the down payment from $20,000

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Multiply the remaining number by the interest rate. 

$18500 *1.9 = $35150 

Divide 35150 by number of months in 5 years (60)

$35150 / 60 = $585 

<span>Therefore, you have to pay $585 per month. </span>
7 0
3 years ago
How would the following triangle be classified?
yulyashka [42]

Step-by-step explanation:

All sides are congruent, therefore is an equilateral triangle.

It's also an isosceles acute triangle because two sides are congruent and all angles are acute.

It's also an isosceles triangle because two sides are congruent.

7 0
3 years ago
Which fraction is a multiple of 1/8? Select all that apply.
kykrilka [37]

Answer:

wouldn't it be all the ones ending in 8? so wouldn't it be 3/8, 2/8, 4/8, and 8/8?

Step-by-step explanation:

8 0
3 years ago
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