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dimulka [17.4K]

2 years ago

13

1. Two students are reading a novel. Ashely reads 10 pages a day. Carly reads 8 pages a day, but he starts sooner and has alread

y read 40 pages.
Part A: Write a system of equations to represent the situation, using d for days and p for pages

1 answer:

umka2103 [35]2 years ago

6 0

Answer:

Step-by-step explanation:

STOP CHEATING AND DO IT URSELF

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Find the slope of the line whose equation is 8y-16x=12

Mice21 [21]

The formula for slope is y=mx+b
so if you re arrange the equation from 8y-16x=12
to 8y=16x+12
the slope will be the coefficient of x =16

5 0

2 years ago

The amount of time it takes Ariana to do a math problem is continuous and uniformly distributed between 38 seconds and 79 second

solniwko [45]

Answer:

29.27% probability that it takes Ariana between 58 and 70 seconds to do a math problem

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X between c and d, d being greater than c, is given by the following formula:

$P(c \leq X \leq d) = \frac{d-c}{b-a}$

Uniformly distributed between 38 seconds and 79 seconds.

This means that $a = 38, b = 79$

What is the probability that it takes Ariana between 58 and 70 seconds to do a math problem

$c = 58, d = 70$

$P(58 \leq X \leq 70) = \frac{70 - 58}{79 - 38} = 0.2927$

29.27% probability that it takes Ariana between 58 and 70 seconds to do a math problem

4 0

3 years ago

Plzzz help i am ineeeddeddeedeededed of it!!!

Vikentia [17]

Sallys statement is always true
for example:
-6 + 2 = -4
but if I turn it around
2 - 6 = -4
same answer

-6 -6 = -12
swap around -6 - 6 = 12
same answer

again -3 + 6 = 3
and 6 - 3 = 3

6 0

3 years ago

2 thirds of a number plus 5 is greater than 12

Amanda [17]

Answer:

2/3 of n +5>12

Step-by-step explanation:

6 0

2 years ago

Suppose that y varies directly as the square of x, and that y=567 when x=9. What is y when x=4

Gwar [14]

Answer:

y = 112

Step-by-step explanation:

If y varies directly as the square of x

mathematically;

y ∝ x²

y = kx² where 'k' is the constant of proportionality

let u know the value of k for this equation by making k the subject of the formular from y = kx²

divide both sides by x²

k = y / x²

given that y = 567 x = 9

k = 567/(9)²

k = 567/81

k = 7

now to get the value of y when x = 4

from the equation conneting x, y,

y = kx²

y = 7 × (4)²

y = 7 × 16

y = 112

6 0

2 years ago