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MissTica
2 years ago
11

Simplify 18-6(2+4-1+2)÷3

Mathematics
1 answer:
Kryger [21]2 years ago
5 0

Answer:

4

Step-by-step explanation:

Use PEDMAS

18 - 6(2+4-1+2) ÷ 3

18 - 6(6 - 1 + 2) ÷ 3

18 - 6(5 + 2) ÷ 3

18 - 6(7) ÷ 3

18 - 42 ÷ 3

18 - 14

4

Hope this helps!

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A homeowner has two rectangular structures in her backyard. The dimensions of the hot tub are 6 feet by 8 feet. The dimensions o
vladimir1956 [14]

Answer:

289\ ft^{2}

Step-by-step explanation:

we know that

To find the area of the backyard that is not covered  by the hot tub and fire pit subtract the area of the hot tub and the area of the fire pit from the total area of the square backyard

so

A=20^{2}-(6)(8)-(7)(9)\\A=400-48-63\\ \\A=289\ ft^{2}

4 0
3 years ago
What is the perimeter of the triangle?
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p=a+b+c

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As an estimation we are told 5 miles is 8 kilometres. Convert 65 miles to km
aev [14]

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Step-by-step explanation:

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3 years ago
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3(4a+7)=5(2a+4)+1 What is it?
hichkok12 [17]

Answer:

a = 0

Step-by-step explanation:

3(4a+7)=5(2a+4)+1     Distribute 3 through the parentheses

                 - >                         12a + 21 = 5(2a + 4) +1

5(2a + 4) +1   -->  10a + 20 + 1

12a + 21 = 10a + 20 + 1  -->    12a + 21 = 10a + 21   -->      12a = 10a

                                                     12a - 10a = 0   -->    2a = 0

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7 0
3 years ago
Four less than the quotient of ten and a number, increased
Alecsey [184]

Answer:

Step-by-step explanation:

Quotient of two numbers means that one number is dividing the other since quotient also means division. If we have quotient of ten and a number, this can be represented as 10/y where y is the unknown number.

If the resulting number is increased by 8, then we will add 8 to the function 10/y to give 10/y + 8 (note that increment means addition)

Finally, four less than the quotient of ten and a number, increased  by eight will give us te difference between the resulting function and 4 i.e (10/y +8)-4

<em>The resulting equation of the statement is  (10/y +8)-4</em>

To evaluate the result when y = 2, we will substitute y = 2 into the resulting function;

f(y) =  (10/y +8)-4

f(2) = (10/2 +8)-4

f(2) = (5+8)-4

f(2) = 13-4

f(2) = 9

<em>Hence the value of the expression when y = 2 is 9</em>

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3 years ago
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