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elena-s [515]
2 years ago
5

I need help with this

Mathematics
1 answer:
likoan [24]2 years ago
6 0

Answer:

<h2><u><em>x = 6°</em></u></h2>

Step-by-step explanation:

the two angles are congruent, they are like opposite angles, look at the figure

21x - 6 = 20x

21x - 20x = 6

x = 6°

---------------------

check

21x - 6 = 20x

21 * 6 - 6 = 20 * 6

120  =  120

the answer is good

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False your answer is false
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Factorise x+y<br><br>-ax-ay​
mariarad [96]

Answer:

(x + y)1 - a)

Step-by-step explanation:

x + y - ax - ay

= x - ax + y - ay

= x(1 - a) + y(1 - a)

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Stephen and Laura want to split a bag of fun-sized candy, and decide to use the divider-chooser method. The bag contains 100 Sni
Lubov Fominskaja [6]

Answer:

a) $4.14

b) No

c) 28 Snickers, 40 Milky Ways, 63 Reese's

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Step-by-step explanation:

a)

Since 1 Snickers is $0.01, 1 Milky Ways is $0.03, and 1 Reese's is $0.04:

30 Snickers: 30(0.01) = 0.3

40 Milky Ways: 40(0.03) = 1.2

66 Reese's: 66(0.04) = 2.64

The value is: 0.3 + 1.2 + 2.64 = 4.14

b)

The total value is: 1 + 3 + 4 = 8

A fair share must have the same value, 8/2 = 4. Since one half is 4.14 which is more than 4, it is not a fair share.

c)

First half:

28 Snickers: 28(0.01) = 0.28

40 Milky Ways: 40(0.03) = 1.2

63 Reese's: 63(0.04) = 2.52

Second half:

72 Snickers: 72(0.01) = 0.72

60 Milky Ways: 60(0.03) = 1.8

37 Reese's: 37(0.04) = 1.48

5 0
3 years ago
Use properties of equality to Solve 7+3x = 5x+13 for x
mario62 [17]
We basically have to cancel values on both sides until they are both on common ground.

7 + 3x = 5x + 13

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3x = 5x + 6

-5x from both sides...

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/-2 from both sides...

x = -3


Hope this helps!
8 0
4 years ago
Negative 10 decreased by 14 times a number
Vilka [71]
-10 - 14x <== ur expression
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