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2 years ago

Which of the following could be the side lengths of a triangle? A 9, 14, 25 10, B 13, 24 13, C 18, 30 D 15, 19, 36

Mathematics

1 answer:

Rama09 [41]2 years ago

6 0

Answer:

Step-by-step explanation:

B could be an isosceles triangle

A can't because it has 4 sides

C can't because it has 2 sides

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Celia uses 80% of her paycheck to pay her bills. Her bills total $272. How much is Celia paycheck?

Vanyuwa [196]

Step-by-step explanation:

It is 340 dollars in total, I do this in an ubcenventional way of dividing 272 by 80 which gave you 3.4 which is equal to one percent and then multiply that by 20 which is 68 and add that to the other 80 percent of her bill to get 340 dollars

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3 years ago

So, I need some help with these scatter plot questions. (basically free points because these might be easy for you!) (20 points)

nlexa [21]

Hello,

I have a graphing calculator so this will be easy for me to answer and explain how to figure these out. Here we go!

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2 years ago

What is the scale factor from AABC to ADEF?

8_murik_8 [283]

Answer: 8

Step-by-step explanation:

We are going from a smaller triangle to a larger triangle, so the scale factor is greater than 1.

Eliminate A and D.

We know scale factor = (image)/(preimage), so the scale factor is 32/4 = 8

7 0

2 years ago

20. The total mass of three boxes, A, B, and C, is 1.95 kg. The mass of Box A is 700 g. The mass of Box B is 4 times the mass of

Ksju [112]

Answer:

Step-by-step explanation:

LET'S DO THIS!

Total mass of A, B and C = 1.95kg

Mass of A = 700 kg

Mass of B = 4x the mass of c (4 x C) which is 4c

Mass of C = ? ( let's call it C )

<h3>Adding all together </h3>

700 + 4c + C = 1.95

<h3>Add like terms</h3>

700 + 5C = 1.95

5C = 1.95 - 700

5C = -698.05

C = -698.05 ÷ 5

<h3>To find B now </h3><h3>Remember they said B is 4 times the mass of C and C = -139.61</h3>

therefore B = 4 × -139.61

<h3>To check if we are correct, we add the masses of A, B and C to see if it equals their total mass which is 1.95kg</h3>

<h3>Using your calculator: </h3>

= 700 + ( -558.44 ) + ( -139.61 )

= 700 - 558.44 -139.61

= 1.95 kg

Which makes us CORRECT ✅.

<h3>Hope this helps.</h3><h3>Good luck ✅.</h3>

5 0

1 year ago

Read 2 more answers

A rectangle has an area of 72 in². The length and the width of the rectangle are changed by a scale factor of 3.5. What is the a

kifflom [539]

Answer:

The area of the new rectangle is 882 in².

Step-by-step explanation:

Let l be the length and w be the width of the original rectangle,

So, the area of the original rectangle is,

A = l × w ( Area of a rectangle = Length × Width )

Given, A = 72 in²,

⇒ lw = 72 ------- (1),

Since, if the rectangle are changed by a scale factor of 3.5,

⇒ New length = 3.5 l,

And, new width = 3.5 w,

Thus, the area of the new rectangle = 3.5l × 3.5w

$=(3.5)^2lw$

$=12.25\times 72$ ( From equation (1) ),

= 882 in²

4 0

2 years ago

Which of the following could be the side lengths of a triangle? A 9, 14, 25 10, B 13, 24 13, C 18, 30 D 15, 19, 36​

Which of the following could be the side lengths of a triangle? A 9, 14, 25 10, B 13, 24 13, C 18, 30 D 15, 19, 36