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2 years ago

How do u do this it's something about solving proportions and I have no idea how to do this plz help

Mathematics

1 answer:

Yakvenalex [24]2 years ago

8 0

Simple...what fun!

To solve for this type of problem...it's real simple!

I will show you the easiest and fastest way to solve...

so..you have...

$\frac{2}{5} = \frac{x}{35}$

Just..CROSS MULTIPLY!!

2*35=70
and
5*x=5x

Leaving you with....

5x=70

Easy...now divide!!

$\frac{5x}{5} = \frac{70}{5}$

x=14

To check your work...plug it in....

$\frac{2}{5} = \frac{14}{35}$

simplify...

14/7=2

and

35/7=5

Thus, your answer.

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Determine whether the sets have a subset relationship. R = {right triangles} O = {obtuse triangles} a) R and O are disjoint. b)

DerKrebs [107]

Answer:

Step-by-step explanation:

A right angled triangle has one angle equal to 90°

an obtuse angle triangle has one angle greater tan 90°

a) An o and right-angled triangle btuse angled triangle can have one angle equal.

b) R and O are not equivalent by definition

c) subset of R and Oare not all triangles as R and O are categories of all triangles. R and O are subset of all triangles

d) Acute triangles have all acute angles. So subset of R and O can't be all acute traingles

e) All triangles with two acute angles are may or may not have third angle as obtuse angle or 90° angle

f) none of the above

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3 years ago

List down 5 values of x that makes it TRUE to the equation x - 5 < 35

Molodets [167]

Answer:

5,4,3,2,1

Step-by-step explanation:

4 0

2 years ago

A number subtracted from -50 amounts to 171 what is the equation

shtirl [24]

-50 - (-221) = 171

This is because subtracting a negative number is like adding a positive version of that instead. For a more simple example:
5 - (-2) = 7 or 5 + 2 = 7

3 0

3 years ago

Find the volume of the rectangle 4 2/3cm,9 1/8cm, 2cm

amm1812

Answer:

$\large\boxed{V=85\dfrac{1}{6}\ cm^3}$

Step-by-step explanation:

The formula of a volume of a rectangular prism:

$V=lwh$

l - length

w - width

h - height

We have

$l=4\dfrac{2}{3}\ cm=\dfrac{4\cdot3+2}{3}\ cm=\dfrac{14}{3}\ cm\\\\w=9\dfrac{1}{8}\ cm=\dfrac{9\cdot8+1}{8}\ cm=\dfrac{73}{8}\ cm\\\\h=2\ cm$

Substitute:

$V=\dfrac{14}{3}\cdot\dfrac{73}{8}\cdot2=\dfrac{7}{3}\cdot\dfrac{73}{2}\cdot1=\dfrac{511}{6}=85\dfrac{1}{6}\ cm^3$

6 0

2 years ago

Dario borrows $12,000 to buy a car. He borrows the money at a yearly, or annual, simple interest rate of 4.2%. How much more int

Mrac [35]

Answer:

$2016 more

Step-by-step explanation:

Borrowed amount = $12000
Interest rate = 4.2% per year simple

Interest in 1 year:

$12000*4.2/100 = $504

Interest in 5 years:

$12000*4.2*5/100 = $2520

The difference between 1-year interest and 5-year interest:

$2520 - $504 = $2016

5 0

2 years ago