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3 years ago

10

Convert percents to fractions (Write the answer in SIMPLEST FORM)

1 answer:

Grace [21]3 years ago

5 0

1/4;2/5;83/100;3/2;7/10;4/5

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Hellllllp PLEASE ASAP

RideAnS [48]

Answer:

B. 20x + 15

Step-by-step explanation:

Get rid of the parenthesis and combine like terms: 18x + 2x and 9k + 6k

You get: 20x + 15.

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3 years ago

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The teachers had to transport 166 students by bus on a field trip. Each bus holds 65 students. How many buses do they need to or

Aleksandr-060686 [28]

3 busses are needed for all of the kids

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3 years ago

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15/10 as a long division and decimal. please show work

kvasek [131]

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2 years ago

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If (3-4i) (x+yi) = 1 + 0i. The value of x and y is

Black_prince [1.1K]

Step-by-step explanation:

$\textsf{\large{\underline{Solution}:}}$

<h3><u>Given That:</u></h3>

$\rm: \longmapsto (3 - 4i)(x + iy) = 1 + 0i$

$\rm: \longmapsto 3(x + iy) - 4i(x + iy)= 1 + 0i$

$\rm: \longmapsto 3x + 3iy - 4ix +4y= 1 + 0i$

<u>On rearranging the terms, we get:</u>

$\rm: \longmapsto (3x + 4y)+ (3y - 4x)i = 1 + 0i$

<u>Comparing both sides, we get:</u>

$\rm: \longmapsto 3x + 4y = 1 --- (i)$

$\rm: \longmapsto 3y - 4x = 0 --- (ii)$

<u>Multiplying (i) by 4, we get:</u>

$\rm: \longmapsto 12x + 16y = 4--- (iii)$

<u>Multiplying (ii) by 3, we get:</u>

$\rm: \longmapsto 9y - 12x = 0 --- (iv)$

<u>Adding equations (iii) and (iv), we get:</u>

$\rm: \longmapsto25y = 4$

$\rm: \longmapsto y =\dfrac{4}{25}$

<u>From (ii), we get:</u>

$\rm: \longmapsto 3y - 4x = 0$

$\rm: \longmapsto 3y = 4x$

$\rm: \longmapsto x = \dfrac{3}{4} y$

$\rm: \longmapsto x = \dfrac{3}{4} \times \dfrac{4}{25}$

$\rm: \longmapsto x = \dfrac{3}{25}$

<u>Therefore:</u>

$\rm: \longmapsto (x,y)= \bigg( \dfrac{3}{25}, \dfrac{4}{25} \bigg)$

★ <u>Which is our required answer.</u>

$\textsf{\large{\underline{More To Know}:}}$

$\rm1.\ i^{4n} = 1$

$\rm2. \ i^{4n+1} = i$

$\rm3.\ i^{4n+2} = -1$

$\rm4.\ i^{4n+3} = -i$

4 0

2 years ago

The graph to the left shows the cost, in dollars, of gasoline per gallon of gas.

alukav5142 [94]

Answer:

correct statements are #1,3,5

Step-by-step explanation:

second check box represents the cost of 7 gallons

fourth check box is incorrect because the unit price of gas is 3 dollars for each gallon

8 0

2 years ago