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3 years ago

Which equation reprints the slope intercept form of the line below ? Y- intercept = (0,2) slope = -3/7

Mathematics

1 answer:

Ann [662]3 years ago

5 0

Answer:

y = $-\frac{3}{7} x$ + 2

Step-by-step explanation:

The y-intercept of the line is (0,2)

The slope of the line is $-\frac{3}{7}$

We derive the slope of a line by dividing the change in y by the change in x

So,

$\frac{y - 2}{x - 0}$ = $-\frac{3}{7}$

y - 2 = $-\frac{3}{7} x$

The equation of the line therefore is;

y = $-\frac{3}{7} x$ + 2

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Really need help please! Brainliest to correct!

vovikov84 [41]

Let's say "m" is the manufactoring cost per drill (in dollars).

Then the manufactorer sells it for $4 more, so this would be:

m+4

Then the chain store sells it for 140% of the price is paid the manufactorer, so this would be "140% of (m+4)" which translates to "1.4•(m+4)" or more simply:

1.4(m+4)

P(m) = 1.4(m+4), where m is the initial manufactoring cost (in dollars).

Simplifying, you could rewrite this as:

P(m) = 1.4m + 5.6

7 0

2 years ago

Of the 75% of a group that passed a physical examination only 3/5 passed the additional psychological exam. What fraction of the

Helga [31]

To find the fraction of the grouo that passed both exams, we need to first convert 75% into a fraction:

75%
=75/100
=3/4

We can then mutiply the fraction above by the students who passed the psychological exam:

3/4×3/5
=9/20

Therefore the answer is 9/20.

Hope it helps!

3 0

3 years ago

An experiment consists of rolling two fair number cubes. What is the probability that the sum of the two numbers will be >3

liraira [26]

Answer: $\bold{\dfrac{5}{12}}$

<u>Step-by-step explanation:</u>

greater than 3 means the sum is either 4, 5, or 6.

There are 15 permutations that meet the criteria:

(1, 3), (1, 4), (1, 5), (1,6)

(2, 2), (2, 3), (2, 4), (2, 5), (2,6)

(3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3,6)

(4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4,6)

(5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5,6)

(6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6,6)

There are 6²= 36 total permutations for 2 dice.

$Probability=\dfrac{\#\ of\ permutations> 3}{total\ \#\ of\ permutations}\\\\.\qquad \qquad =\dfrac{15}{36}\\\\.\qquad \qquad =\dfrac{5}{12}\\\\$

3 0

3 years ago

Plz help me with this

xxTIMURxx [149]

It subtracts 2 then adds 5

5 0

3 years ago

Please help!! 10 extra points

Igoryamba

$HEY THERE !!$

As we know that cotx= 1/tanx

cot36° = 1/tan36°

=>cot36°= 1/0.726543

=>so cot 36°= 1.376382

So correct answer is option D.

HOPR YOU LIKED.

7 0

3 years ago