3 years ago

What is 16500 rounded to the nearest ten thousand

Mathematics

1 answer:

Anna71 [15]3 years ago

7 0

Answer=20,000

16,500 is greater than 15,000, so you would round up to 20,000

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The diagram shows a cuboid. 4 cm 5 cm 9 cm What is the surface area of the cuboid?

Salsk061 [2.6K]

Answer:

69cm ^2

Step-by-step explanation:

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3 years ago

A 100-foot rope from the top of a tree house to the ground forms a 45∘ angle of elevation from the ground. How high is the top o

DochEvi [55]

Answer:

The height of tree house is 70.71 feet

Step-by-step explanation:

We are given that A 100-foot rope from the top of a tree house to the ground forms a 45∘ angle of elevation from the ground

Refer the attached figure

Length of rope AC = Hypotenuse =100 feet

The top of a tree house to the ground forms a 45∘ angle of elevation from the ground = $\angle ACB = 45^{\circ}$

We are supposed to find the height of tree house i.e.AB = Perpendicular

So, Using trigonometric ratio

$Sin \theta = \frac{perpendicular}{Hypotenuse}\\Sin 45= \frac{AB}{AC}\\\frac{1}{\sqrt{2}}=\frac{AB}{100}\\100 \times \frac{1}{\sqrt{2}}=AB\\70.71=AB$

Hence The height of tree house is 70.71 feet

8 0

4 years ago

6378 scientific notation

Virty [35]

6.378x10
i'm not sure

3 0

4 years ago

Which pairs of expressions are equivalent More the 1 answer

tia_tia [17]

Answer:

The first 3 pairs of expressions are equivalent.

Step-by-step explanation:

5 0

3 years ago

-12 = -5(x - 3) ......

Gnoma [55]

Answer:

x = 27/5

Step-by-step explanation:

Step 1: Write equation

-12 = -5(x - 3)

Step 2: Solve for x

Distribute -5: -12 = -5x + 15
Subtract 15 on both sides: -27 = -5x
Divide both sides by -5: x = 27/5

Step 3: Check

Plug in x to verify it's a solution.

-12 = -5(27/5 - 3)

-12 = -5(12/5)

-12 = -12

4 0

3 years ago

Read 2 more answers