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andre [41]
3 years ago
11

Instructions

Mathematics
1 answer:
Gnoma [55]3 years ago
7 0
Lets just choose the first one, 3 4 and 5. According to the Pythagorean Theorem,
a^2+b^2=c^2

So lets plug in our numbers.

3^2+4^2=c^2

The answer should be 5, but lets make sure.

3*3 = 9
4*4 = 16
9+16=c^2
25 = c^2
Square root both sides so:
5=c
And sure enough 5 is the last number on that list. The order doesn’t matter as long as the value you are trying to find is the c^2.
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A necklace has and matching bracelet have two types of beads. The necklace has 12 large beads and 8 small beads and weighs 88 gr
miv72 [106K]

Weight of one large bead is 1.5 grams and weight of one small bead is 8.75 grams.

Step-by-step explanation:

Let,

Weight of one large bead = x

Weight of one small bead = y

According to given statement;

12x+8y=88     Eqn 1

5x+2y=25      Eqn 2

Multiplying Eqn 2 by 4

4(5x+2y=25)\\20x+8y=100\ \ \ Eqn\ 3\\

Subtracting Eqn 1 from Eqn 3

(20x+8y)-(12x+8y)=100-88\\20x+8y-12x-8y=12\\8x=12

Dividing both sides by 8

\frac{8x}{8}=\frac{12}{8}\\x=1.5

Putting x=1.5 in Eqn 1

12(1.5)+8y=88\\18+8y=88\\8y=88-18\\8y=70

Dividing both sides by 8

\frac{8y}{8}=\frac{70}{8}\\y=8.75

Weight of one large bead is 1.5 grams and weight of one small bead is 8.75 grams.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/11334714
  • brainly.com/question/11345547

#LearnwithBrainly

5 0
3 years ago
A door opening is 2 meters high. If there is a 39 centimeter gap between the top of Casey's head and the top of the door opening
sammy [17]
You should find that Casey is 161 cm tall.
8 0
3 years ago
What is the answer to this
SVEN [57.7K]

Answer:

D) 14.25

Step-by-step explanation:

It's basically saying when you use the ruler to measure something it will measure in 0.25. And will continue on to 0.50, 0.75, 1.00, 1.25, etc..

4 0
2 years ago
Which decimal is equivalent to 8.617 with a bar over 17?
Ksenya-84 [330]
8.617 is the answer.
3 0
3 years ago
Read 2 more answers
Help !!!! Please number 1
Rudiy27

Answer:

Step-by-step explanation:

you have a special triangle 30-60-90

the ration in this traingle is x, x\sqrt{3} , 2x, where 2x is the hypothenuse

the hypothenuse is 12

x=12/2=6

the other leg is 6\sqrt{3}=10.39

3 0
3 years ago
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