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musickatia [10]
2 years ago
7

Write and solve a proportion to answer the question. 30% of what number is 9? ​

Mathematics
2 answers:
Vikentia [17]2 years ago
8 0

Answer:

The answer would be 30.

Step-by-step explanation:

Calculating 9×100÷30 equals 30 and that would be your answer.

miv72 [106K]2 years ago
6 0

Answer:

30

Step-by-step explanation:

30% * x = 9

x = 9/30%

x = 9/0.3

x = 30.

So, 30 is the number

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A can is 4 inches wide and 8 inches tall. To the nearest whole number, what is the area of a label that wraps around the can if
Yakvenalex [24]

Answer:

The area of a label is 62.8\ in^{2}

Step-by-step explanation:

we know that

The lateral area of a cylinder (label of the can) is equal to

LA=2\pi rh

we have that

A can is 4 inches wide

so

The diameter of the can is 4 inches

r=4/2=2\ in ----> the radius is half the diameter

h=8-3=5\ in ----> height of the label

substitute in the formula

LA=2(3.14)(2)(5)=62.8\ in^{2}

5 0
3 years ago
Whats 1+1 please I really need to ask this for 0 reason other than boredom
natta225 [31]

Answer:2

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
7. Please solve by substitution:<br><br>y = 3x + 17<br>y = 2x + 23​
CaHeK987 [17]
3x+17=2x+23

5x=40

40/5=8

x=8
7 0
3 years ago
Graph y=-3x +7 and the line that is<br> parallel to it that passes through (4,1).
Brums [2.3K]
Y = -3x + 13

Steps and the graph are on paper

6 0
3 years ago
Suzi starts her hike at 200 feet below sea level. When she reaches the end of the hike, she is still below sea level at −163 fee
Phantasy [73]

Answer:

Suzi's elevation in the hike is 37 feet.

Step-by-step explanation:

We are given the following in the question:

Position of Suzi in the starting of hike = 200 feet below sea level

= -200 feet

The negative sign shows below sea level.

Position of Suzi in the end of hike  = -163 feet

Change in elevation from the beginning of Suzi's hike to the end of the hike

= Position of Suzi in the end of hike - Position of Suzi in the starting of hike

=-163 - (-200)\\=-163 + 200\\=37\text{ feet}

Thus, Suzi's elevation in the hike is 37 feet.

6 0
3 years ago
Read 2 more answers
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