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drek231 [11]
3 years ago
15

Help?? i will mark the correct answer brainlest!!

Mathematics
1 answer:
slega [8]3 years ago
7 0

Answer: 13 is the first one and the second one is 15

Step-by-step explanation:

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Question 2 (1 point)<br> What is the value of x if AABC is equilateral?
Marina86 [1]

Answer:

x= 2

Step-by-step explanation:

Given that,

AB = 7.5x

BC = 6x+3

AC = 10x-5

ΔABC is an equilateral triangle.For an equilateral triangle, all sides are equal. ATQ,

AC = BC = AB

10x-5 = 6x+3

Taking like terms together

10x-6x = 5+3

4x = 8

x = 2

Hence, the value of x is equal to 2.

3 0
3 years ago
Which letters shown below on the number line also have their opposites labeled
Lapatulllka [165]

Answer:

B c and d

Step-by-step explanation:

6 0
3 years ago
Sams building a suspension bridge for the playground at the elementary school I needed some chain-link and some rope he bought a
a_sh-v [17]

Answer:

Amount of material for chain link = 30 feet

Amount of material for rope = 50 feet

Step-by-step explanation:

Let the amount of chain link = X

The amount of rope be represented by Y

He bought a total of 80 feet of materials

Hence we have:

X + Y = 80 ....... Equation 1

Y = 80 - X

The chain-link cost two dollars per foot and the rope cost 1.50 per foot he spent a total of $135

X × $2 + Y × $1.50 = $135

2X + 1.5Y = 135 ......Equation 2

Substitute 80 - X for Y in Equation 2

2X + 1.5(80 - X) = 135

2X + 120 - 1.5X = 135

Collect like terms

2X - 1.5X = 135 - 120

0.5X = 15

X = 15/0.5

X = 30 feet

Substitute 30 feet for X in Equation 1

X + Y = 80 ....... Equation 1

30 + Y = 80

Y = 80 - 30

Y = 50 feet

Hence the amount of material he used for the chain link = 30 feet and the amount of material he used for the rope was = 50 feet

6 0
4 years ago
ASAP! WILL MARK BRAINLIEST!!
Naya [18.7K]

Answer:

y=x+5+x+5?

Step-by-step explanation:

I'm not sure and I did this not that long ago

5 0
4 years ago
Read 2 more answers
A shape can have an angle of rotation between 0° and _____.
Nady [450]
360° is the correct answer
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3 years ago
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