MATHEMATICS MIDDLE SCHOOL

Plz help me get the right answer

Answers

Answer 1

Answer:

Hi! All you have to do is add 3 to both sides of the equation to find the answer.

w - 3 > 9

w - 3 + 3 > 9 + 3

w > 12

Hope this helps you!

Answer 2

Answer:

Answer:

w > 12

Step-by-step explanation:

$w-3>9\qquad\text{add 3 to both sides}\n\nw-3+3>9+3\n\nw>12$

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Dennis wants to buy a card for his wife. Dennis calculates the amount of the card as $ 4.50. The actual price of the card is $4. What is Dennis's % error?

Answers

Okay, so this equation is a percent error, and how you solve those is doing:

First Subtract Approximate value from Exact value:
4.50 - 4 = 0.5 , so the error is 0.5

Now, show the error as a percent of the exact value ... so divide by the exact value and make it a percentage:

0.5/4 = 0.125 = 12.5%

Therefore the percent error would be: 12.5%

What is 3/7k = 12/35

Answers

$(3)/(7) k= (12)/(35)$

First. Lets divide those fraction so the problem is easier to work with.

0.42k=0.34

Now, divide both sides by 0.42 to get k by it's self.

You should get k=0.81

3/7 * 4 = 12/35 (Is this what your asking for?)

Rewrite as a simplified fraction 1.6 <-- repeating=?

Answers

$1.6666...=1.\overline{6}=1.(6)\n\nx=1.6666...\ \ \ |multiply\ both\ sides\ by\ 10\n10x=16.6666...\n\n10x-x=16.6666...-1.6666...\n9x=15\ \ \ \ |divide\ both\ sides\ by\ 9\n\nx=(15)/(9)\n\n\boxed{x=1(6)/(9)}\n\nsimplify\n\nx=1(6:3)/(9:3)=\boxed{1(2)/(3)}$

Juliet is trying to learn at least 10 new ballet moves before her next recital. She has already learned 6. She needs to learn at least how many more to reach her goal. Which graph shows the correct solution?see picture updated with new one

Answers

the answer to your question is c

Answer:

Step-by-step explanation:

In triangle XYZ, the length of side XY is 26 mm and the length of side YZ is 37 mm. Which of the following could be the length of side XZ?A. 68 mm
B. 44 mm
C. 9 mm
D. 65 mm

Answers

A). 68
D). 65
If the third side was either of these, then (26 + 37) = 63 could not
reach between the ends of it. A triangle could not be formed.

C). 9
If the third side was this, then it could not reach between the ends
of the 26 and the 37 . . . they're always AT LEAST 11 mm apart.

B). 44
This is the ONLY one on the list that can make a triangle
along with 26 and 37.

To solve this, you can use the triangle inequality theorem: Side 1 + Side 2 must be greater than Side 3. So, plug in 26 for Side 1 and 37 for Side 2, add them
together, and see which number is smaller than 27 + 37.

The sentence 3+(5+2)=(5+2)+3 illustratesA: the commutative property of addition.
B: the associate property of addition.
C: the distributive property of multiplication over addition.
D: the additive identity element.

Answers

B: The associate property of addition.

Answer:

Its B

Step-by-step explanation:

That deserves Brainliest

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