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3 years ago

Find the length of the third side if necessary round to the nearest tenth 6 and 7

Mathematics

1 answer:

NISA [10]3 years ago

8 0

Is the third side the hypotenuse?

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I will give brainiest to whoever answers correctly !!

PilotLPTM [1.2K]

Answer:

The country's population decreased about 5.8 % during this time period.

Step-by-step explanation:

Population in 1990 = 164 million

Population in 2010 = 155 million

Determine the percent decrease

The formula used is: $Percent\:Decrease=\frac{Initial\:Value-New\:Value}{New\:Value}\times 100$

We have :

Initial Value = 164 million (164,000,000)

New Value = 155 million (155,000,000)

Finding percent decrease

$Percent\:Decrease=\frac{Initial\:Value-New\:Value}{New\:Value}\times 100\\Percent\:Decrease=\frac{164,000,000-155,000,000}{155,000,000}\times 100\\Percent\:Decrease=\frac{9,000,000}{155,000,000}\times 100\\Percent\:Decrease=5.8\%$

So, The country's population decreased about 5.8 % during this time period.

4 0

3 years ago

1. A dolphin was swimming 28 ft. below the surface. The dolphin jumped up 17 ft. above

vfiekz [6]

Answer:

-11

Step-by-step explanation:

5 0

3 years ago

Kyle is making a frame for a rectangular piece of art. The length of the frame is 3 times the width, as shown below. A rectangle

iris [78.8K]

Answer: 2.25

Explanation:

Let the width be x
Length = 3x

Perimeter of frame = 18
2(l + w) = 18
2(3x + x) = 18
2(4x) = 18
8x = 18
x = 18/8
x = 2.25 feet

6 0

3 years ago

Read 2 more answers

When is the substitution method a better method than graphing for solving a system of

baherus [9]

Answer:

Frankly, substitution is almost always a better method. Graphing is a very precise and time consuming process where you have to calculate several..

8 0

3 years ago

Colin stacks 3 snowballs on top of each other to make a snowman. The snowballs are 7/10 meter, 1/2meter, and 38 centimeters tall

NeX [460]

Answer:

158cm

Step-by-step explanation:

Data obtained from the question. This includes:

Height of first snow ball (H1) = 7/10m

Height of 2nd snow ball (H2) = 1/2m

Height of 3rd snow ball (H3) = 38cm

Total height of snow man (HT) =?

Next we shall covert from m to cm.

This is illustrated below:

For the first snow ball

1m = 100cm

7/10m = 7/10 x 100 = 70cm

For the 2nd snow ball:

1m = 100cm

1/2m = 1/2 x 100 = 50cm

Now we can obtain the height of the snow man as follow:

Height of first snow ball (H1) = 70cm

Height of 2nd snow ball (H2) = 50cm

Height of 3rd snow ball (H3) = 38cm

Total height of snow man (HT) =?

HT = H1 + H2 + H3

HT = 70 + 50 + 38

HT = 158cm

Therefore the height of the snow man in cm is 158cm

3 0

4 years ago