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3 years ago

Plssssssssssssssssssssssssssssss

Mathematics

2 answers:

user100 [1]3 years ago

7 0

Answer:

Correct answer is 4/7:10

coldgirl [10]3 years ago

5 0

Answer:

the last one 7/4 _10

Step-by-step explanation:

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Percent equations the question is blank % of 75 = 30

lubasha [3.4K]

Answer:

Step-by-step explanation:

30/75 = .4

4 0

3 years ago

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Please help FAST I need the answer along with you explaining the steps so I can get it thanks! I’ll give Brainlist also!

kupik [55]

Answer:

The equation of required line is: $\mathbf{5x-8y+34=0}$

Step-by-step explanation:

We need to write equation in the form Ax+By+C=0 of the line parallel to $5x-8y+12=0$ and through the point (-2,3)

First we need to find slope and y-intercept of the required line.

Using equation of line $5x-8y+12=0$ to find slope.

Since the given line and required lines are parallel there slope is same.

Writing equation in slope intercept form: $y=mx+b$ where m is slope.

$5x-8y+12=0 \\-8y=-5x-12\\\frac{-8y}{-8y}=\frac{-5x}{-8}-\frac{12}{-8}\\y=\frac{5}{8}x+\frac{3}{4}$

So, the slope m = 5/8

The slope of required line is $m=\frac{5}{8}$

Now finding y-intercept using slope $m=\frac{5}{8}$ and point(-2,3)

$y=mx+b\\3=\frac{5}{8}(-2)+b\\3=\frac{-5}{4}+b\\b=3+\frac{5}{4}\\b=\frac{3*4+5}{4}\\b=\frac{12+5}{4}\\b=\frac{17}{4}$

So, the equation of required line having slope $m=\frac{5}{8}$ and y-intercept $b=\frac{17}{4}$

$y=mx+b\\y=\frac{5}{8}x+\frac{17}{4}\\y=\frac{5x+17*2}{8}\\y= \frac{5x+34}{8} \\8y=5x+34\\5x-8y+34=0$

So, The equation of required line is: $\mathbf{5x-8y+34=0}$

3 0

2 years ago

Jenny's great grandmother is 95 years old.

Black_prince [1.1K]

Think of it as 12/95. 12.63

8 0

3 years ago

Help me with mathhs .

jeka57 [31]

Step-by-step explanation:

a-b

a=1/4

b= -2,15 -215/100 semplification -43/20

1/4-(-43/20)

1/4+43/20 minimum comune multiple

5+43/20=

48/20=12/5

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3 years ago

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Bob can shave a cat in 3 hours; Fred can do it in 4 hours. If they work together without wasting a ton of time like they always

kondaur [170]

Answer:

The answer to your question is 1 5/7 or 1.7 hours ≈ 1:43 min

Step-by-step explanation:

Data

Bob lasts 3 hours

Fred lasts 4 hours

Together = ?

Process

1.- Determine what they do in 1 hour

Bob = 1/3 in x hours x/3

Fred = 1/4 in x hours x/4

2.- Write the equation to this problem

x/3 + x/4 = 1

3.- Solve it for x

(4x + 3x)/12 = 1

7x = 12

x = 12/7

x = 1 5/7 or 1.7 hours ≈ 1:43 min

6 0

3 years ago