MATHEMATICS MIDDLE SCHOOL

Which of the following possibilities will form a triangle?a. side = 15 cm, side = 7 cm, side = 7 cm
b. side = 15 cm, side = 7 cm, side = 9 cm
c. side = 14 cm, side = 6 cm, side = 7 cm
d. side = 14 cm, side = 6 cm, side = 8 cm

Answers

Answer 1
Answer:

B i think im not sure sorry
Answer 2
Answer:

Give them brainliest.

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5/x=25/6 how do I solve it and what is x?

Answers

First you do 25/6. That is 4 1/6 or 4.1666 recurring. This mean 5 divide by X is 4.1666 recurring. To find X we do 4.16666 divided by 5 so X is 0.8333 recurring.

Which options could be the next step in simplifying this expression? (18 + 23) + 7 Choose exactly two answers that are correct.
A. 18 + 30 (use the associative property)
B. 41 + 7 (use order of operations)
C. 30 + 25 (use the commutative property)
D. 25 + 30 (use the distributive property)

Answers

In adding, subtracting, multiplying anddividing numbers, always remember this rule: PMDAS (or parenthesis, multiply,divide, add, subtract). The P in PMDAS must come first. We must use an order ofoperations. In the problem given, (18 + 23) + 7, they must be added. However you have aparenthesis that has the numbers 18 and 23. You will add 18 and 23 first and then you will get 41. And so the answer is 41 + 7,letter B. 

You use 8 cups of flour to make 24 muffins. At that rate how much flour will it take to make 30 muffins?(Me and my friend have 2 different answers)

Answers

For 24 muffins, you needed = 8 cups
So, for 1 muffin, it is = 8/24 = 1/3 cup

Now, for 30 muffins, it would be: 1/3 * 30 = 10

In short, Your Answer would be 10 cups

Hope this helps!
You have 8 cups of flour to 24 muffins, which can be shown as 8:24, or 8/24. You need to find x cups of flour to 30 muffins, which can be shown as x:30, or x/30. You will want to cross multiply.

8 x
-- * --
24 30

8 * 30 = 24 * x
240 = 24x
10 = x

You need 10 cups of flour.

Find the perimeter of the triangle 40 9

Answers

To solve for the perimeter of the triangle, first use Pythagorean theorem to solve for the hypotenuse and then add all of the sides together.

40 ^2 + 9^2
1600 + 81
1681 = C^2
41 = C

P = a + b + c
P = 40 + 9 + 41
P = 81 + 9
P = 90 units.

7% of 120 (Need work shown)

Answers

1% of 120 is 1.2, so 7 *1.2 = 8.4

Also you could set up the proportion 7/100 = x/120 and solve for x.

120=100%

x= 7 %

cross-multiply

100x= 120*7

100x= 840

x= 840/100

x= 42/5

x= 8.4

Therefore 7% of 120 is 8.4


I hope that's help !


46/16 as a mixed number

Answers

2 14/16. .........................That's the answer
2 7/8 is the simplified answer
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