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s2008m [1.1K]
3 years ago
7

X +4 = 12; x = 16 Please help

Mathematics
1 answer:
alexdok [17]3 years ago
3 0

Answer:

x=8 x=16

Step-by-step explanation:

Given function:

  • x+4=12
  • x=16

Thinks:

  • 12=4+x
  • x would be equal to 16

Rewrite as:

  • x=8 since 8+4=12
  • x=16=16

Thereform, x=8 and x=16.

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25%

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The table shows a proportional relationship between the number of pounds of bananas purchased and the total cost of bananas.
Liula [17]

Answer:

Choice A, C and E

Step-by-step explanation:

<em>Your table is poorly presented</em>

Given

x      y

\begin{array}{cc} {3} & {1.47} \ \\ {5} & {2.45} \ \\ {9} & {4.41} \ \ \end{array}

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For (9,4.41)

k = \frac{4.41}{9}

k = 0.49

From the above calculations, the constant of proportionality is 0.49.

So, the usable rows must also have 0.49 as their constant of proportionality

<u>Choice A</u>

(x,y) = (2,0.98)

k = \frac{0.98}{2}

k = 0.49 --- <em>This is usable</em>

<em />

<u>Choice B</u>

(x,y) = (7,4.45)

k = \frac{4.45}{7}

k = 0.64 --- <em>This is not usable</em>

<em />

<u>Choice C</u>

(x,y) = (6,2.94)

k = \frac{2.94}{6}

k = 0.49 --- <em>This is usable</em>

<em />

<u>Choice D</u>

(x,y) = (1,0.54)

k = \frac{0.54}{1}

k = 0.54 ---- <em>This is not usable</em>

<em />

<u>Choice E</u>

(x,y) = (8,3.92)

k = \frac{3.92}{8}

k = 0.49 --- <em>This is usable</em>

5 0
3 years ago
Please gimme a hand I appreciate it in advance!!!
inessss [21]

Answer:

30 degrees

Step-by-step explanation:

They are corresponding angles.

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