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Yanka [14]
3 years ago
8

40 is 50% of what number?

Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0
Steps:
1. Do a proportion
40/x equals 50/100
2. 40 times 100 equals 4,000
3. Do 4,000 divided by 50 equals 80
4. Your answer is 80
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Please help me find the same denominator
Lelechka [254]

Answer:

\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}

let us first start with some basic information ~

A fraction can be represented as \frac{x}{y}\\ where ,

x is the numerator and y is the denominator !

the question asks us to do something that will help us get same denominator for both the terms !

so let's see what we should do in such a case ~

\frac{9}{10}  \: and \:  \frac{7}{8}  \\ \\ \\ lets \: make \: the \: denominator \: of \: both \\ the \: terms \: reach \: 80 \: , \\  \\ \bold\orange{ \implies \: \frac{9}{10}  \times  \frac{8}{8}  = }\bold\red{ \frac{72}{80}}  \\  \\\bold\orange{ \implies \:  \frac{7}{8}  \times  \frac{10}{10}  =}\bold\red{  \frac{70}{80}}

and we're done !

let's add some more info to be lil more clear ~

while converting the denominator of both the terms , we must multiply the same number ( this number refers to the one we'll have to multiply to the denominator to obtain the desired result ) with the denominator as well as with the numerator !

hope helpful :D

6 0
3 years ago
Read 2 more answers
Matt is standing on top of a cliff 305 feet above a lake. The measurement of the angle of depression to a boat on the lake is 42
Fudgin [204]

Answer:

the measurement between matt and the boat would be 263

Step-by-step explanation:

8 0
4 years ago
We want to find the zeros of this polynomial:
fredd [130]

Answer:

x = -3 and x = -3/2

Step-by-step explanation:

After writing down the polynomial, split it; put a line between 3x^2 and -18x. Look and 2x^3 + 3x^2 and -18x - 27 separately and factor them both:

p(x) = 2x^3 + 3x^2 <u>- 18x -27</u>

p(x) = x^2(2x+3) <u>-9(2x+3)</u>

Now notice how x^2 and -9 have the same factor (2x+3). That means x^2 and -9 can go together:

p(x) = (x^2 - 9)(2x+3)

Factor it once more because there's a difference of squares:

p(x) = (x+3)(x-3)(2x+3)

Now just plug in whatever makes the each bracket equal 0:

x = -3, x = 3, and x = -3/2

Those are your zeros.

8 0
3 years ago
What inequality does this number line show?<br> NEED ASAP
Nana76 [90]

Answer:

4 >_ 3

Step-by-step explanation:

4 0
3 years ago
What is the circumference of this circle, in centimeters? Use StartFraction 22 over 7 EndFraction for Pi.
yaroslaw [1]

Answer:

66 cm

Step-by-step explanation:

Diameter (d) = 21 cm

C = \pi  \: d =  \frac{22}{7}  \times 21 = 22 \times 3 = 66 \: cm

3 0
3 years ago
Read 2 more answers
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