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3 years ago

What is the place value rounded to

Mathematics

1 answer:

dmitriy555 [2]3 years ago

4 0

The place value would be the hundredths value and these are the answers
3) 5.8
5) 3.3
7) 2.8
Hope this helped !!

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What is the value of u in the equation u−56=33 ?

Evgen [1.6K]

<span>u−56=33
Add 56 to both sides
Final Answer: u = 89</span>

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3 years ago

Based on the given angle measures, which triangle has side length measures that could be correct?

Likurg_2 [28]

Answer

The triangle in the figure 4 is correct .

Reason

by using the trignometric identity

$tan\theta = \frac{Perpendicular}{Base}$

Thus

$tan 30^{\circ} = \frac{Perpendicular}{Base}$

$tan 30 ^{\circ} =\frac{1}{\sqrt{3}}$

Now in the figure (1)

$tan 30^{\circ} = \frac{13.9}{8}$

$\frac{1}{\sqrt{3}} = \frac{13.9}{8}$

on simplify

$0.5774 \neq 1.7375$

thus side length measures in the figure (1) is not correct .

Now in the figure (2)

$tan30^{\circ} =\frac{16}{8} \\ \frac{1}{\sqrt{3}} =\frac{16}{8} \\ 0.577 \neq 2$

thus side length measures in the figure (2) is not correct .

Now in the figure (3)

$tan 30 ^{\circ} = \frac{8}{16} \\ \frac{1}{\sqrt{3}} =\frac{8}{16} \\ 0.577\neq0.5$

thus side length measures in the figure (3) is not correct .

Now in the figure (4)

$tan30^{\circ} = \frac{8}{13.9} \\ \frac{1}{\sqrt{3}} =\frac{8}{13.9}\\ 0.577 = 0.576(approx)$

Therefore the figure (4) is correct triangle has side length measures that could be correct

Hence proved

8 0

3 years ago

Read 2 more answers

How many questions do I need to answer to be able to dm

Sophie [7]

just one what u mean

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3 years ago

Find the scale factor. I will give brainliest!

tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

9+9+3.6+3.6

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2 years ago

Tricia has a miniature replica of the Empire State Building.The replica is 10 inches tall and the height of its observation deck

Hunter-Best [27]

Answer:

The actual height of the observation deck is 1206.82 ft

Step-by-step explanation:

Let h be the height of the building

And d be the height of the observation deck

Therefore,

d/h = 8.3/10 = 0.83

d = 0.83h

Given that h = 1454 ft

d = 0.83 × 1454 ft

d = 1206.82 ft

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3 years ago