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3 years ago

-2/3 -5x What is the slope of the line represented by the equation y

Mathematics

2 answers:

ankoles [38]3 years ago

7 0

Step-by-step explanation:

y = -2/3 - 5x

rearranging,

y = -5x -2/3

comparing to the gradient-intercept equation

y = mx + c

m = -5

c = -2/3

Therefore, the slope of the line is -5

inessss [21]3 years ago

4 0

Answer: -5

Step-by-step explanation:

Because you know that y=Mx+p right?

So you just take the equation : -2/3-5x and you know that the number before x is m = the slope . Have a nice rest of your day :)

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Shelly states that the triangles below are similar. Which proportion supports her statement?

choli [55]

I'm not sure, but I believe your answer would be

8/10 = 4/20

Forgive me if I'm wrong, but the others seem to say the same thing that this answer doesn't.

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3 years ago

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Simplify. (–28xy) ÷ (4) –7xy 7xy -1/7xy 1/7xy

Colt1911 [192]

-28xy/4

-7xy

Therefore, the first answer is correct.

Hope this helps!

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3 years ago

The speeds of cars on a given i street we are normally distributed with a mean of 72 miles per hour and a standard deviation of

Ostrovityanka [42]

Answer: 72.78% of the drivers are traveling between 70 and 80 miles per hour based on this distribution.

Step-by-step explanation:

Let X be a random variable that represents the speed of the drivers.

Given: population mean : M = 72 miles ,

Standard deviation: s= 3.2 miles

The probability that the drivers are traveling between 70 and 80 miles per hour based on this distribution:

$P(70\leq X\leq 80)=P(\frac{70-72}{3.2}\leq \frac{X-M}{s}\leq\frac{80-72}{3.2})\\\\= P(-0.625\leq Z\leq 2.5)\ \ \ \ \ [Z=\frac{X-M}{s}]\\\\=P(Z\leq2.5)-P(Z\leq -0.625)\\\\\\ =0.9938-0.2660\ \ \ [\text{Using p-value calculator}]\\\\=0.7278$

Hence, 72.78% of the drivers are traveling between 70 and 80 miles per hour based on this distribution.

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3 years ago

Solve 2x = 3. Round to the nearest ten-thousandth.

levacccp [35]

divide by 2 on both sides.

3/2

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3 years ago

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How much simple interest does $4,678.00 earn in 529 days at a rate of 7.3%? Round to the nearest cent.

statuscvo [17]

Answer:

$5,172.93

Step-by-step explanation:

We're gonna use the simple interest formula: P = A(1 + r(t))

P = final amount

A = starting amount (4,678)

r = rate (0.073)

t = years (529/365)

P = 4,678(1 + 0.073(529/365))

P = 5,172.9324

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2 years ago