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Fed [463]
4 years ago
14

Which choice gives a valid first step to solve 2(w − 3) = 5? Exclude any choice where the explanation for the step is false.

Mathematics
1 answer:
UNO [17]4 years ago
7 0

Answer:

D. Use the Distributive Property. You clear the parentheses and then solve the two-step equation.

Step-by-step explanation:

Given problem;

         2(w − 3) = 5

To solve this problem:

   Use the distributive property to clear the parentheses;

     2w - 6 = 5

 Then, collect like terms, add 6 to both sides;

    2w  = 5 + 6

    2w  = 11

  Now divide both terms by 2

     w = \frac{11}{2}  

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What’s the answer of the equation:<br><br> 104mn + (-84mn) =36
inn [45]

Answer:

1\frac{4}{5}mn

Step-by-step explanation:

104mn - 84mn = 36 \\  \\ 20mn = 36 \\  \\ 1\frac{4}{5}mn

This what you can do unless you are solving for either variable.

I am joyous to assist you anytime.

8 0
3 years ago
Simplify the following expression.<br><br>A.49<br>B.1/14<br>C.1/49<br>D.14
Anna35 [415]

Answer:

C

Step-by-step explanation:

Using the rules of exponents

• a^{m} × a^{n} ⇔ a^{(m+n)}

• a^{-m} ⇔ \frac{1}{a^{m} }

Hence

7^{-5/6-7/6} = 7^{-\frac{12}{6} } = 7^{-2}, then

7^{-2} = \frac{1}{7^{2} } = \frac{1}{49} → C

5 0
4 years ago
Read 2 more answers
Evaluate using the order of operations 17.28\(1.32-0.24)x0.6
skelet666 [1.2K]
1 Simplify 1.32−0.241.32-0.241.32−0.24 to 1.081.081.08
17.281.08×0.6\frac{17.28}{1.08}\times 0.6
​1.08
​
​17.28
​​ ×0.6

2 Simplify 17.281.08\frac{17.28}{1.08}
​1.08
​
​17.28
​​ to 161616
16×0.616\times 0.616×0.6

3 Simplify
9.69.69.6
3 0
4 years ago
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A bakery has three types of pie: apple, cherry, and peach. There are four times as many apple pies as peach pies. What is a poss
Studentka2010 [4]

Answer:

The purpose of this task is to help students see the connection between a÷b and ab in a particular concrete example. The relationship between the division problem 3÷8 and the fraction 38 is actually very subtle.

3÷8 is the number you multiply 8 by to get 3.

38 is the number you get by taking 3 copies of the unit fraction 18.

So 3÷8 is defined in terms of multiplication, and 38 is defined in terms of unit fractions. It is not obvious that these two numbers are the same, so students need opportunities to see that they will necessarily always be the same. Note that if b people share a pies equally, then each person will get ab of a pie by the same kind of reasoning shown in the solution below.

This task is probably best suited for instruction or formative assessment.

Step-by-step explanation:

3 0
3 years ago
I just need to see how to work this problem out, so I don't have to ask a question like this again..and I know what I'm doing ne
mihalych1998 [28]

Answer by Mimiwhatsup:

-6x+12>24\\\mathrm{Subtract\:}12\mathrm{\:from\:both\:sides}\\-6x+12-12>24-12\\Simplify\\-6x>12\\Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)\\\left(-6x\right)\left(-1\right)

=-\frac{12}{6}\\\mathrm{Divide\:the\:numbers:}\:\frac{12}{6}=2\\=-2\\Answer is: x

8 0
3 years ago
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