MATHEMATICS MIDDLE SCHOOL

Use the number line to find the difference of 2 1/2 -9.
Use the number line to find the difference of 2 - 1

Answers

Answer 1
Answer: -6 1/2

If you start at 2 1/2 and go back -9 you will end up with -6 1/3
Answer 2
Answer: -6 1/2 because if you have 2 and 1/2 and take away 9 you get the Answer: -6 1/2 checking work and I’m right .

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Translate into an expression:
Two more than a number x squared.

Answers

x^2+2
.................
2+x^2 two plus x squared.

Deepak wrote out the steps to his solution of the equation StartFraction 5 Over 2 minus 3 x minus 5 plus 4 x equals negative StartFraction 7 Over 4 EndFraction – 3x – 5 + 4x = –. A table titled Deepak's Solution with 3 columns and 5 rows. The first row is, blank, Steps, Resulting equation. The second row has the entries, 1, Use the distributive property to simplify. StartFraction 5 Over 2 minus 5 plus 4 x minus 3 x equals negative StartFraction 7 Over 4 EndFraction. The third row has the entries, 2, Simplify by combining like terms, negative StartFraction 5 Over 2 plus x equals negative StartFraction 7 Over 4 EndFraction. The fourth row has the entries, 3, Use the addition property of equality, negative StartFraction 5 Over 2 EndFraction plus StartFraction 5 Over 2 EndFraction plus x equals negative StartFraction 7 Over 4 EndFraction plus StartFraction 10 Over 4 EndFraction. The fifty row has the entries, 4, Simplify by combining like terms, x equals StartFraction 3 Over 4 EndFraction. Which step has an incorrect instruction? Step 1 Step 2 Step 3 Step 4

Answers

Answer:

Step 1 instruction is incorrect.

Step-by-step explanation:

The given equation is (5)/(2)-3x-5+4x=-(7)/(4)

In step 1, Deepak rearranged the terms in order to simplify like terms together that is followed in step 2.

So, rearranging of the terms of an expression is commutative property and not distributive property.

Distributive property is generally applicable to multiplication and is given as:

a(b+c) = ab+ ac

Commutative property is given as:

a+b = b+ a.

Therefore, adding terms by changing their order is commutative property of addition and not distributive property.Step 1 instruction is wrong.

Answer: The answer is A

Step-by-step explanation: Because I took the test

three friends are selling items at a bake sale. may makes $23.25. Inez makes 100 times as much as may. carolyn makes one tenth of the money that Inez makes. how much does each friend make?

Answers

may makes 23.25
inez makes 2325
carolyn makes 232.5
May makes $23.25 inez makes $22,325 and caryolyn makes $2,232.5 hope this helps

at a dog park, there are 12 golden retrievers and 20 poodles . what is the ratio of golden retrievers to poodles

Answers

golden retrievers: 12/32
poodles: 20/32
does it need to be simplified?
um not to be rude or anything but wouldn't the ratio be 12:20.

Sam and Bruno were computing how many kilometers they rode in the 3 bike trips they took last month. In order, they rode 45.7, 40.9, and 38 miles. Their solutions are shown. If one kilometer equals 0.621 miles, which is the best solution to find the total number of kilometers they rode? Why is it correct?
Bruno is correct. When going from a larger unit to a smaller unit you need to divide.
Bruno is correct. When going from a smaller unit to a larger unit you need to divide.
Sam is correct. When going from a larger unit to a smaller unit you need to multiply.
Sam is correct. When going from a smaller unit to a larger unit you need to multiply.

Answers

We are given number of miles the 3 bike trips they took last month = 45.7, 40.9, and 38 miles.

Sam and Bruno were computing how many kilometers.

Also one kilometer equals 0.621 miles.

From this we can see than 1 kilometer is smaller unit and a mile is a larger unit.

In order to convert number of miles into kilometers, we need to divide each number of mile by 0.621 miles.

We always divide a larger value by a smaller value to get the smaller unit.

Therefore,

Bruno is correct. When going from a larger unit to a smaller unit you need to divide.

Find the missing number in the following pattern 12,24,72,288

Answers

1440 is the missing number in the sequence
The missing number for this problem is 1440 because you have to times 288 by 4 to get 1440 because of the pattern the question has
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