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2 years ago

What number is 170% of 16? give your answer to one decimal place(tenth). enter only the number.

Mathematics

2 answers:

Gemiola [76]2 years ago

5 0

27.2. I did the equation and solved it this is what i got

liberstina [14]2 years ago

3 0

Answer:

170℅×16

=27.2

hope it helps you

make me brainliest...... :)

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AB Round your answer to the nearest hundredth. с A 25° B ( ANSWER? )

Mkey [24]

Answer:

AB = 4/cos25

Put in calculator and put to the nearest hundredth or 2 dp

Step-by-step explanation:

The angle 25 is the starting point and adjacent is 4 and the unknown or we will call it x is the hypotenuse.

We will use CAH

Cos25 = 4/x

We need x by itself so

x = 4/cos25

Put in calculator and put to the nearest hundredth or 2 dp

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3 years ago

Please help me do question 21, 22 and 23. I am in 6th grade.

Pachacha [2.7K]

Question 21: 24 minutes

$\frac{3}{\frac{3}{2} } = \frac{x}{12}$

x = $(\frac{3}{\frac{3}{2} })(12)$

x = 24

Question 22: 20 centimeters

x = one side of the square

x² = 25

x = 5

4x = perimeter

4(5) = perimeter

20 = perimeter

Question 23: 17 sides

Hexagon = 6 sides

Octagon = 8 sides

Triangle = 3 sides

Total amount of sides = 6 + 8 + 3

Total amount of sides = 17

6 0

3 years ago

What is the length of CD in this diagram, ABC - EDC,

natima [27]

Answer:

Option A is the right option.

solution,

∆ABC~∆EDC

$\frac{bc}{cd} = \frac{ac}{ec} \\ \:$

putting the values,

$\frac{20 - x}{x} = \frac{20}{5} \\ or \: 5(20 - x) = 20x(cross \: multiplication) \\ or \: 100 - 5x = 20x \\ or \: - 5x - 20x = - 100 \\ or \: \: - 25x = - 100 \\ \: or \: x = \frac{ - 100}{ - 25} \\ x = 4$

Hope this helps..

Good luck on your assignment..

8 0

3 years ago

Read 2 more answers

A population is normally distributed with mean 18 and standard deviation 1.7. (a) Find the intervals representing one, two, and

elena55 [62]

Answer:

Interval within 1 standard deviation: (16.3,19.7)

Interval within 2 standard deviation: (14.6, 21.4)

Interval within 3 standard deviation: (12.9, 23.1)

Step-by-step explanation:

We are given the following in the question:

Population mean, $\mu$ = 18

Standard deviation, $\sigma$ = 1.7

We have to find the following intervals:

Interval within 1 standard deviation:

$\mu \pm 1\sigma\\=18 \pm 1.7\\=(16.3, 19.7)$

Interval within 2 standard deviation:

$\mu \pm 2\sigma\\=18 \pm 2(1.7)\\= 18 \pm 3.4\\=(14.6,21.4)$

Interval within 3 standard deviation:

$\mu \pm 3\sigma\\=18 \pm 2(1.7)\\= 18 \pm 5.1\\=(12.9,23.1)$

6 0

4 years ago

Help please! Complete the proof!

Dmitry [639]

Since CM is perpendicular to AB, it follows that ∠1 and ∠2 are 90 degrees. Since they both have 90 degree angles, that must mean they are both right triangles.

And since ∠3 = ∠4 and ∠1 = ∠2, then it follows that ∠A = ∠B. (You can show this by showing that they must add up to 180 degrees.)

So since both right triangles have 3 congruent angles to each, then that makes them similar by AAA (angle angle angle).

5 0

3 years ago