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Mekhanik [1.2K]

2 years ago

11

Please please help idk what to do

2 answers:

KIM [24]2 years ago

4 0

2 is the answer, it goes up 2 and over 1. Keep in mind rise over run

dimaraw [331]2 years ago

4 0

2 is the correct answer

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Subtract fractions with different denominators

Tems11 [23]

Answer:

$\frac{10}{15}-\frac{2}{5}=\frac{4}{15}$

Step-by-step explanation:

We know that

A fraction consists of two integers—one on the top, and one on the bottom.
The top one is numerator, the bottom one is denominator, and
These two numbers are separated by a line.

Let us consider two different fractions with different denominators

$\frac{10}{15}$

$\frac{2}{5}$

Lets subtract the two fractions

$\frac{10}{15}-\frac{2}{5}\:\:\:\:$

$\mathrm{Cancel\:}\frac{10}{15}:\quad \frac{2}{3}$

$=\frac{2}{3}-\frac{2}{5}$

$\mathrm{Least\:Common\:Multiplier\:of\:}3,\:5:\quad 15$

$\mathrm{Adjust\:Fractions\:based\:on\:the\:LCM}$

$\mathrm{For}\:\frac{2}{3}:\:\mathrm{multiply\:the\:denominator\:and\:numerator\:by\:}\:5$

$\frac{2}{3}=\frac{2\cdot \:5}{3\cdot \:5}=\frac{10}{15}$

$\mathrm{For}\:\frac{2}{5}:\:\mathrm{multiply\:the\:denominator\:and\:numerator\:by\:}\:3$

$\frac{2}{5}=\frac{2\cdot \:3}{5\cdot \:3}=\frac{6}{15}$

so

$=\frac{10}{15}-\frac{6}{15}$

$\mathrm{Since\:the\:denominators\:are\:equal,\:combine\:the\:fractions}:\quad \frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c}$

$=\frac{10-6}{15}$

$\mathrm{Subtract\:the\:numbers:}\:10-6=4$

$=\frac{4}{15}$

Therefore,

$\frac{10}{15}-\frac{2}{5}=\frac{4}{15}$

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2 years ago

Roy drives a sedan that gets mileage of 30 miles per gallon. If fuel consumption is represented by g and mileage by m, which fun

vesna_86 [32]

M=f(g)=30 x g

Think about it - if the car has 5 gallons of gas then
m=f(5)=30 x 5
m=150

7 0

3 years ago

The sidewalks on both sides of Peach St, are parallel. One sidewalk can be modeled by the equation 2x - y=-1. Which equation cou

Otrada [13]

Answer:

I believe the answer would be d

Step-by-step explanation:

4 0

3 years ago

Please actually do it im gonna k m s if someone answers this with a link again

Elena L [17]

Answer:

Top one, least to greatest:

$-\sqrt{54}$ , $-\frac{3}{9}$ , $\frac{9}{5}$ , $\pi$ , 6.6, $\sqrt{75}$

Bottom one, greatest to least

9.6, $\sqrt{34}$ , $\frac{9}{9}$ , -4.2, $-7\frac{2}{5}$ , $-\sqrt{85}$

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3 years ago

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Find the inverse of the equation

zimovet [89]

The inverse of $f(x)= \frac{6x+5}{3x-1}$ is $f(-1)= \frac{-x-5}{3(2-x)}$ I hope I helped

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3 years ago