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konstantin123 [22]
4 years ago
8

What is the (10) for?

Mathematics
2 answers:
allochka39001 [22]4 years ago
8 0

Answer:

23

Step-by-step equation

(18+2)+2(10)÷4-2

20+20÷4-2

20+5-2

25-2

23

miv72 [106K]4 years ago
4 0

Answer:

2(10) is implied multiplication

Step-by-step explanation:

( 18+2) + 2(10) ÷4 -2

PEMDAS

Parentheses first

( 20) + 2(10) ÷4 -2

Then exponents ( we have none)

Then multiply and divide from left to right

20 + 20÷4 -2

20 + 5-2

Then add and subtract from left to right

25 -2

23

2(10) is implied multiplication

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The number of years from the start of the Great Depression to the first presidential election of Richard Nixon is six years less
svp [43]

Answer:

Raul's age is 15 years.

Step-by-step explanation:

r represents Raul's age.

The number of years from the start of the Great Depression to the first presidential election of Richard Nixon is six years less than three times Raul's age.

The first presidential election happened 39 years after the Great Depression and six years less than three times Raul's age is 3r - 6.

Therefore, 3r - 6 = 39

Add 6 to both sides.

3r = 45

Divide both sides by 3.

r = 15

Hence, Raul's age is 15 years.


7 0
3 years ago
Read 2 more answers
A store is selling a backpack that is $18. Tax is 6%. What is the total price, including tax?
Masteriza [31]

Answer:19.08

Step-by-step explanation: since tax increases the price of an item you add it to the 100% and multiply by the $18. So 106% times $18.

5 0
3 years ago
I tried to do this but i dont understand <br> Help?
dolphi86 [110]

Answer:

I think:

28  7   4

4   7    2

1   14   28

Step-by-step explanation:

See how that works. I have no idea what the rules are so this is just speculation

5 0
3 years ago
John is at a local bait shop; he wants to buy bait for his fishing trip. At the store, they are selling live bait for $12 a poun
ladessa [460]
12x + 7y=60
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5 0
3 years ago
What is the answer when you evaluate
Paha777 [63]

Answer:

The answer is 17

Step-by-step explanation:

To find the answer, we first have to put the values in for a and b.

√225 + ║2 - 3(1/3)(4)║

√225 + ║2 - 4║

√225 + ║-2║

√225 + 2

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17

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3 years ago
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