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laila [671]
3 years ago
14

Hi could some one please HELP me !!!

Mathematics
2 answers:
umka21 [38]3 years ago
4 0

Answer:

∠C = 36

Step-by-step explanation:

2x + 2x +6x = 180

10x = 180

x = 18

∠C = 2x = 36

Feliz [49]3 years ago
3 0
2x+2x+6x= 180
10x=180
X= 18
Angle C = 36
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y varies inversely x and y =-4 when x =7 . find the constant of variation and use it to write the equation that relates the vari
allochka39001 [22]
When y varies inversely with x, we have the follow equation:

y = kx

k = constant of variation

To find k, plugin the values for y = -4 and x = 7 and then solve for k

y = kx
-4 = k7
-4 / 7 = k7/7
-4 / 7 = k
k = -4 / 7
Now that we found k, we write the equation that relates the variables like below
y = -\frac{4}{7}x
7 0
3 years ago
A shipping container will be used to transport several 150-kilogram crates across the country by rail. The greatest weight that
Sphinxa [80]

Answer:

150c + 13,700 < 23,000

Step-by-step explanation:

Greatest weight that can be loaded into the container = 23,000 kilograms

Weight of each crate = 150 kilogram

Weight of other shipment = 13,700 kilograms

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This can be represented by the inequality:

150c + 13,700 < 23,000

That is, Weight of each crate multiplied by total number of 150-kilogram crates that can be loaded Plus Weight of other shipment less than greatest weight that can be loaded into the container

8 0
3 years ago
How much of a radioactive substance must be presented to decay to 80 grams in 12 years if the half-life of the substance is 7.6
max2010maxim [7]

Answer:

Radioactive in half life is 51gram

Step-by-step explanation:

80grams:12years

X :7.6years

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4 0
2 years ago
Read 2 more answers
Which equation is NOT true? A. 55 + 27 + 45 =100 + 27 C. 14(126)= 14(100) + 14(26) B. 5⦁ 7⦁ 2 = 2⦁7 D. 31(152) = 30(150) + 1(2)
stiv31 [10]

Answer:

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Step-by-step explanation:

70 ≠ 14

8 0
4 years ago
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A.) 21, 28, 36, 45
the pattern is start with adding by 2 then, 3, then 4, then 5, 6, 7, 8. 9

 32, 64, 128, 256
the pattern is to multiply by 2
6 0
3 years ago
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