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babunello [35]
4 years ago
11

1. 15% of 20 is _____.

Mathematics
1 answer:
stealth61 [152]4 years ago
3 0

The answers are:

1. A) 3

2. A) 24.5

3. C) 180

In order to find this, we need to multiply the first two together.

1.

15% * 20

.15 * 20

2.

35% * 70

.35 * 70

The last problem is a little different. Since the decimal comes second, you need to divide instead of multiply.

90/50%

90/.50

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Please help it would be so much appreciated!!
zavuch27 [327]

Answer:

C

Step-by-step explanation:

there is the ground line of about -5.5 to +5.5 = 11 ft.

then the 2 walls of 7 ft height = 14 ft.

that is already 25 ft.

the 2 roof sides are both a little bit longer than the corresponding ground line of 5.5ft.

so, estimated about 6ft per roof side. that adds 12 ft.

so, we are at about 37 ft.

and the closest answer is C. 36 ft.

in actual numbers a roof side is (using Pythagoras) :

roof side² = 2.5² + 5.5² = 6.25 + 30.25 = 36.5

roof side = 6.041522987... ft

so, the actual perimeter is

25 + 2×6.041522987... = 37.08304597... ft

3 0
2 years ago
What is the solution to the equation below?<br> log7+log(x-4)= 1
Mila [183]

Answer: x=38/7

Step-by-step explanation:

8 0
3 years ago
What is the best unit to use for measuring the length of an eyelash
statuscvo [17]
Millimeters would most likely be the best unit for measuring the length of an eyelash.
3 0
3 years ago
If angle 1 is 110°, what would the other angle measures
lana66690 [7]

Answer:

Angle 2=   110 degrees

Angle 3 =  70 degrees

Angle 4 = 70 degrees

Step-by-step explanation:

<u>Finding angle 2</u>

In the figure attached below,the angles 1 and 2  Corresponding angles

When two lines are crossed by another line that is  called the Transversal, then, the angles in matching corners are called corresponding angles.

Corresponding angles are equal so

angle 2 = 110 degrees

<u>Finding angle 3</u>

Similarly 2 and 3 are consecutive angles and Consecutive angles are supplementary . That is the sum of the consecutive angles is 180 degree

then

angle 2  +angle 3 = 180

110  + angle 3 = 180

angle 3 = 180 -110

angle 3 = 70 degrees

<u>Finding angle 4</u>

Now angle 3 and angle 4 are alternate interior angle and they are equal

angle 3 = angle 4

so angle 4 is 70 degree

5 0
3 years ago
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What is the area of the shaded region?
nevsk [136]

Answer:

4

Step-by-step explanation:

4 num nuts

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3 years ago
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