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3 years ago

It was found that an unknown solid had a density of 20 g/cm3 and a volume of 30 cm3. Determine the mass of the solid.

Mathematics

1 answer:

In-s [12.5K]3 years ago

4 0

Answer:

Step-by-step explanation:

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Calculate the side lengths a and b to two decimal places.

Zinaida [17]

Answer:

$a=10.92 units$

$b=14.51 units$

Step-by-step explanation:

We are given that c=6 units

$\angle A=43^{\circ}$

$\angle B=115^{\circ}$

We have to find the side length a and b.

We know that sum of angles of a triangle =180 degrees

$\angle A+\angle B+\angle C=180$

Substitute the values then we get

$43+115+\angle C=180$

$158+\angle C=180$

$\angle C=180-158=22^{\circ}$

sine law: $\frac{a}{sin A}=\frac{b}{sin B}=\frac{c}{sin C}$

$\frac{a}{sin 43^{\circ}}=\frac{6}{sin 22^{\circ}}$

$a=\frac{6}{sin 22^{\circ}}\times sin 43^{\circ}$

$a=10.92 units$

$\frac{b}{sin 115^{\circ}}=\frac{6}{sin 22^{\circ}}$

$b=\frac{6}{sin 22^{\circ}}\times sin 115^{\circ}=14.51$

$b=14.51 units$

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3 years ago

Brianna needs to rent a car while on vacation. The rental company charges $18.95, plus 15 cents for each mile driven. If Brianna

borishaifa [10]

Answer:

Step-by-step explanation:

First we subtract 18.95 from 50 to get 31.05. Then we divide our new number by .15 to get 207 which is your number of miles :)

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2 years ago

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Factor 16x+40y I don't know how to do this

Marizza181 [45]

Answer:

8(2x + 5y)

Step-by-step explanation:

You cant fact (take out) 8 from both 16 and 40 since 8 is a factor for both.

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3 years ago

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Add using a number line.<br><br>-2 + 4<br><br>5__ 5

pogonyaev

Answer: i.. do.... not... know..

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2 years ago

david has 212 feet of chain link fencing that he used to make a rectangular garden space in his backyard. the lengthof the garde

joja [24]

Answer:

calcium is in shells and bones

Step-by-step explanation:

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3 years ago