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LenaWriter [7]
3 years ago
14

Create your proportions using the form to represent the flowing problem seven is what percent of 30?

Mathematics
1 answer:
777dan777 [17]3 years ago
5 0

Answer:

23.33%

Step-by-step explanation:

Let

x = percentage

Base = 30

Amount = 7

x% of 30 = 7

x/100 * 30 = 7

(x*30) / 100 = 7

30x / 100 = 7

Cross product

30x = 100 * 7

30x = 700

x = 700/30

x = 23.333333333333

Approximately,

x = 23.33%

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Inga [223]

24

The power 0 only affects the x. x^0 = 1

-2 * 1 = -2

25

Here everything inside the brackets is affected by the 0.

(11abx)^0 = 1 There is nothing left over.

26

(xy)^0 = 1

(pq)^0 = 1

1 - 1 = 0


3 0
3 years ago
Read 2 more answers
Please help steps thx
ExtremeBDS [4]

Answer:

240 cubic metres

Step-by-step explanation:

I'm not really sure for Q17 but I do know Q18.

Q18. Volume of cuboid = Length×Breadth×Height

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hope it helps!!!

8 0
3 years ago
Can you guys help me out on this? I'm still learning sign, cosign, and tangent :)
lara [203]

Answer:

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2. 5/13 and 12/13

3. The sin of <A and cos of <B are congruent.

Since "Sine" is Opposite/Hypotenuse and Cosine is adjacent hypotenuse...

The opposite of angle A is 12, and the hypotenuse is 12, therefore making 12/13.

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Sin <A = 12/13

Cos <B= 12/13

7 0
3 years ago
The set of all positive integers that are divisible by both 15 and 35 is infinite. What is the least positive integer in this se
solniwko [45]

Answer:

105

Step-by-step explanation:

A "set" is a group of numbers.

A "positive integer" is a whole number that's bigger than zero.

"divisible by both 15 and 35" means a number that 15 and 35 goes into (with no remainder)

"least" means smallest.

15 and 35 both go into 105.

3 0
2 years ago
The graph shows the girth of the trunk of a fir tree after different numbers of years: What does the y-intercept of the graph re
Talja [164]
The y-intercept represents the initial girth of the tree.  Assuming that the X-axis represents time in this scenario (as it usually does) the y-axis, therefore, represents the girth of the tree.  The y-intercept is located where X = 0.  So if no time has passed then this must be the first measurement of the girth of the tree.    
5 0
3 years ago
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