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ra1l [238]
3 years ago
14

What is the value of x in the function f (x)=4/3x+6 when f (x) = 22? x=?

Mathematics
1 answer:
mamaluj [8]3 years ago
8 0

Answer:

x=12\\

Step-by-step explanation:

f(x)=22\\\\\frac{4}{3}x +6=22\\\\\frac{4}{3}x=16\\\\x= 12

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these polygons are similar. find the similar ratio. any help ? please? ( also how do I ask a question ok here without typing 20
NNADVOKAT [17]
Answer: Choice B) 3/5

==================================================

Explanation:

The smaller horizontal side is JM = 15
The larger horizontal side is NQ = 25

The ratio of these corresponding sides is: 
small/large = 15/25 = (5*3)/(5*5) = 3/5

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Alternatively,

The smaller vertical side is ML = 18
The larger vertical side is QP = 30

The ratio of these corresponding sides is: 
small/large = 18/30 = (6*3)/(6*5) = 3/5

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Either way, the answer is 3/5
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9

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Which expression is represented by the model below?
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In isosceles trapezoid JKLM, m∠J = 17x + 7, and m∠M = 11x + 13. Find m∠K.
tensa zangetsu [6.8K]

Answer:

m\angle K \approx 104.14^{\circ}

Step-by-step explanation:

In isosceles trapezoid JKLM,

Given: m\angle J = 17x+7 and m\angle M = 11x+13

Since, JKLM is an isosceles trapezoid so each pair of base angles is congruent.

m\angle J = m\angle K

m\angle M = m\angle L

As, we know that the sum of the angle of a trapezoid is 360^{\circ}

The angles are:

m\angle J = 17x+7

m\angle K = 17x+7

m\angle L = 11x+13

m\angle M = 11x+13

Therefore,

17x+7+17x+7+11x+13+11x+13 = 360^{\circ}

Combine like terms;

56x + 40 = 360^{\circ}

Subtract 40 from both sides we get;

56x + 40 -40 = 360 - 40

Simplify:

56x = 320

Divide both sides by 56 we get;

x = \frac{320}{56} = \frac{40}{7}

To find the angle of m\angle K:

m\angle K = 17x + 7 = 17(\frac{40}{7}) +7 = 97.14 + 7

Simplify:

m\angle K \approx 104.14^{\circ}

Therefore, the value of angle of m\angle K \approx 104.14^{\circ}

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