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3 years ago

PLz help with math in super confused. Will give u brainliest if u get it right.

Mathematics

1 answer:

asambeis [7]3 years ago

8 0

Answer:

The answer is A

Step-by-step explanation:

The answer is A because if you put all the ages of his patients along with their gender several are bound to overlap so it won't pass the vertical line test

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Write the equation of the line that passes through the given lines (0,-2) and (4,1)

Gala2k [10]

Answer:

y = 3/4x - 2

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step 1: Define

(0, -2) y-intercept

(4, 1) random point

Step 2: Find slope <em>m</em>

y = 3/4x + b

Step 3: Write linear equation

y = 3/4x - 2

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3 years ago

Identify the slope and the y-intercept in the equation y = -3/4x + 3. Please make sure to say which is the slope and which is th

Liula [17]

Answer:

the y -intercpt is the 3

the slope is -3/4

Step-by-step explanation:

this is because the 3 is the starting point on the y-axis and the slope is -3/4 because you are going down 3 to the right 4 ---hope this helps

5 0

3 years ago

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Which transformation would transform the shaded figure onto the unshaded figure????

Rzqust [24]

Answer: A dilation

Step-by-step explanation:

A dilation is when you change the scale factor of an object to take up more or less space to it into the desired area.

5 0

3 years ago

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The sum of four times a number and five times another number is -28. The sum of nine times the first number and two times the se

Rina8888 [55]

Answer:

Step-by-step explanation:

$x,\ y-the\ numbers\\\\\text{The sum of four times a number and five times another number is -28:}\\\\4x+5y=-28\\\\\text{The sum of nine times the first number and two times the second number is 11:}\\\\9x+2y=11\\\\\text{We have the system of equations:}\\\\\left\{\begin{array}{ccc}4x+5y=-28&\text{multiply both sides by2}\\9x+2y=11&\text{multiply both sides by (-5)}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}8x+10y=-56\\-45x-10y=-55\end{array}\right}\qquad\text{add both sides of the equation}$

$.\qquad-37x=-111\qquad\text{divide both sides by (-37)}\\.\qquad\qquad\boxed{x=3}\\\\\text{Put the value of x to the first equation:}\\\\4(3)+5y=-28\\12+5y=-28\qquad\text{subtrac 12 from both sides}\\5y=-40\qquad\text{divide both sides by 5}\\\boxed{y=-8}$

3 0

3 years ago

Charlotte reads 8 1/3 pages of a book in 10 minutes. What is her average reading rate in pages per minute?

klio [65]

5/6 pages of a book in a minute!
8 1/3= 25/3= amount in 10 minutes
25/3 x 1/10=25/30=5/6
I got 1/10 when I did reciprocal(meaning flip the number over, the numerator goes on the bottom, and the denominator goes on the top)
10x 1/10= 1

8 0

3 years ago