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3 years ago

Please help ASAP Need HELP Please What if 9times3times 8 divided by 92?!?!??!

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

3 0

9x3x8/92=2.347 and that rounded =2.35.

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Even the measure ofAngle six is 62 what is the measure of angle five

Agata [3.3K]

Step-by-step explanation:

If you look closely at this image, you can see that ∠6 and ∠5 together will be equal to line c.

A straight line is equal to 180 so if we do...

$180-62$

= 118.

<u>∠5 will be equal to 118.</u>

If we go even further, because vertical angles are congruent...

∠7 = 62

∠8 = 118

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3 years ago

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Help me!! need help!!!!! 10 minutes due!

Aleks04 [339]

Answer:

Step-by-step explanation:

The slope is 3 because the equation is y=mx+b. If you add in the terms m=3 and b=0. It is y=3x. M is the slope, so the slope is 3!

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3 years ago

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Of the fifth grade students 15/20 went to the book fair.Of the students who went to the book fair,12/16 bought at least one book

Vaselesa [24]

Answer:

$\frac{9}{16}$

Step-by-step explanation:

Let total number of students $=x$

Students went to the book fair:

Students went to book fair $=\frac{15}{20}\times total\ number\ of\ students=\frac{15}{20}x$

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Hence $\frac{9}{16}$ of total students bought at least one book.

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4 years ago

From a ship, the angle of elevation of a point, A, at the top of a cliff is 21°. After the ship has sailed 2,500 feet directly t

fredd [130]

Answer:

10701.97 feet.

Step-by-step explanation:

Refer the attached figure

The angle of elevation of a point, A, at the top of a cliff is 21° i.e. ∠ACB = 21°

The ship has sailed 2,500 feet directly toward the foot of the cliff i.e. CD = 2500 feet.

Then the angle of elevation becomes 47° i.e.∠ADB = 47°

Let BD be x

So, BC = BD+DC=x+2500

Let the height of the cliff be h feet.

In ΔABD

We will use trigonometric ratios

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

$tan47^{\circ} = \frac{AB}{BD}$

$1.072= \frac{h}{x}$

$1.072x=h$ ---a

In ΔABC

We will use trigonometric ratios

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

$tan21^{\circ} = \frac{AB}{BC}$

$0.869 = \frac{h}{x+2500}$

$0.869(x+2500) =h$

$0.869x+2172.5 =h$ -----b

Equate a and b

$0.869x+2172.5 =1.072x$

$2172.5 =1.072x-0.869x$

$2172.5 =0.203x$

$\frac{2172.5}{0.203}=x$

$10701.97=x$

Thus the height of the cliff is 10701.97 feet.

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3 years ago

A crate filled with bottles weight 4kg.The bottles weight 2.3kg what is the weight of the empty crate

Anni [7]

The calculation: 4kg-2.3kg = 1.7 kg
The crate weighs 1.7 kg

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3 years ago