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guajiro [1.7K]
3 years ago
11

Ike notices an interesting pattern; he sees that 7 is 14% of a and 18 is 6% of b. If c is b/a, then what is the value of c? ​

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
8 0

Answer:

c=6

Step-by-step explanation:

first you find the total value of a and b:

a=50

b=300

then divide:

300÷50=<u>6</u>

Solnce55 [7]3 years ago
6 0

Answer: c = 6

Step-by-step explanation:

%/100 = is/of

14/100 = 7/a. (14% of what number is 7) (cross multiplication)

(7*100)/14 = 50 (a)

6/100 = 18/b

(18*100)/6 = 300 (b)

b/a = 300/50 = 6

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Step-by-step explanation:

Subtract 6 from either side to ensure that the y is alone. This then equals y=52-6.

52-6= 46

So therefore, y=46

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You are looking down at a map. A vector u with |u| = 6 points north and a vector v with |v| = 5 points northeast. The crossprodu
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Answer: Hi!

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where a is the angle between U and V, in this case 45°.

First, the cross product of UxV points:

Here you can use the right hand method,

Put your hand flat, so the point of your fingers point in the same direction that the first vector, in this case U, so your fingers will point to the north.

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3 years ago
The drama club has 120 members. 48
marissa [1.9K]
<h3>Answer:  40%</h3>

Work Shown:

48/120 = 0.40 = 40%

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2 years ago
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Two lines interesting at a right angle​
schepotkina [342]

Answer:

Perpendicular lines are lines that intersect at right angles.

Step-by-step explanation:

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7 0
3 years ago
She worked a total of 15 hours. If she makes $15 per hour tutoring and $9 per hour at the grocery store and made a total of $159
Ugo [173]

Answer:

11 hours she worked at the grocery store

Step-by-step explanation:

assuming,

the number of hours worked at tutoring = x

the number of hours worked at grocery store = y

which means,

the amount she made at tutoring = x* $15

the amount she made at grocery store = y*$9

we have 2 equations

<em>total number of hours</em>

1) x+y= 15  

<em>total amount she earned</em>

2) x* $15+ y* $9= $159

From equation 1

x+y= 15  

x=15-y

<em>we replace this x value in equation 2</em>

x* $15+ y* $9= $159

(15-y)* $15+ y* $9= $159

(15*15)- 15y+9y=159

225-6y=159

225-159=6y

66=6y

66/6=y

<u>11=y</u>  <em>the number of hours she worked at grocery store. </em>

<em>we place y=11 in our derived x equation</em>

x=15-y

x=15-11

<u><em>x=4 </em></u><em>the number of hours she worked at tutoring. </em>

3 0
3 years ago
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