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alukav5142 [94]
3 years ago
8

A proportion is an equation showing the equivalence of two ratios or rates true or false

Mathematics
1 answer:
Lynna [10]3 years ago
3 0
The answer is true- A proportion is an equation showing equivalent of two ratios or rates
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Given the following diagram, find the measures of ZA and ZB.
Nutka1998 [239]

Answer:

x = 14.6

ZA = 30.8

ZB = 33.2

Step-by-step explanation:

First, solve x: (knowing all angles of a triangle are 180º)

116º + (2x + 4)º + (3x-13)º = 180º

116 + 2x + 4 + 3x - 13 = 180

2x + 3x = 180 + 13 - 4 - 116

5x = 73

x = 73/5 = 14.6

ZA = 3*14.6 - 13 = 30.8

ZB = 2*14.6 + 4 =33.2

Test:

116º + 33.2º + 30.8º = 180º

3 0
3 years ago
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What is the value of x in the equation 3x - 4y=65, when y=4?<br> N
4vir4ik [10]

Answer:

x =27

Step-by-step explanation:

3x - 4y=65

lets substitute the value of y in the equation:

3x -4(4) =65

3x = 65 +16

3x= 81

x= 81/3

x = 27

3 0
3 years ago
Laurie earns $6.50 per hour at the fruit
PtichkaEL [24]
Answer- 2 hours

6.50+3= 9.50
9.50•3= 28.5
54.50-28.50= 26
26/2= 13
13/ 6.50= 2
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How many times greater is the volume of the sphere than the volume of cone #1? Round your answer to the neared tenth. Use 3.14 f
Aliun [14]

butter bts

the only explanation for this world

cuz i've got that superstar glow so eohohohwoow

7 0
3 years ago
Solve: -(1/4)m + 5 = 16
liq [111]

Answer:

m=-44

Explanation: distribute the negative and add -1/4 to m and then take the 5 away from 16 and then multiply both sides

3 0
3 years ago
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