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3 years ago

What is the value of -1 2/3 divided by 1 7/18 expressed as a mixed number

Mathematics

2 answers:

e-lub [12.9K]3 years ago

8 0

The answer is -1 1/5.

Elena L [17]3 years ago

3 0

Your answer would be $-1 \frac{13}{17}$

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there are eight students on a minibus five of the students are boys what fraction of the students are boys

UkoKoshka [18]

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5 students out of eight, are boys.

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3 years ago

Find x. Round your answer to the nearest tenth of a degree.

Kaylis [27]

Answer:

Step-by-step explanation:

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3 years ago

Right triangles abc and dbc with right angle c are given below. If cos(a)=15,ab=12 and cd=2, find the length of bd.

dmitriy555 [2]

see the attached figure to better understand the problem

we have that

$cos(A)=\frac{1}{5} \\ AB=12\ units\\ CD=2\ units$

Step 1

Find the value of AC

we know that

in the right triangle ABC

$cos (A)=(AC/AB)\\AC=AB*cos(A)$

substitute the values in the formula

$AC=12*(1/5)\\ AC=2.4\ units$

Step 2

Find the value of BC

we know that

in the right triangle ABC

Applying the Pythagorean Theorem

$AB^{2} =AC^{2}+BC^{2}\\ BC^{2}=AB^{2} -AC^{2}$

substitute the values

$BC^{2}=12^{2} -2.4^{2}\\BC^{2}= 138.24\\ BC=11.76\ units$

Step 3

Find the value of BD

we know that

in the right triangle BCD

Applying the Pythagorean Theorem

$BD^{2} =DC^{2}+BC^{2}$

substitute the values

$BD^{2} =2^{2}+11.76^{2}$

$BD=11.93\ units$

therefore

the answer is

the length of BD is 11.93 units

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Step-by-step explanation:

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Answer:

Distributive property

Step-by-step explanation:

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