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3 years ago

Which graph could be used to show the situation described?

Mathematics

1 answer:

Stels [109]3 years ago

8 0

Answer:

Step-by-step explanation:

We are given,

The temperature on the graph starts at 0 degrees and decreases by 12 degrees every hour.

Now, according to the options:

A. In this figure, the temperature starts from a point between ( 10,20 ) and not from 0. So, this is not correct.

B. In this figure, the temperature starts from the point 3 and not from 0. So, this is not correct.

D. In this figure, the temperature starts from 0 but it is decreasing by 1 degree every hour, which is not according to the given statement. So, this is also not correct.

C. In this figure, the temperature starts from 0 and it is decreasing appears to be decreasing by 12 degree every hour. Thus, it represents the given statement.

Hence, figure C is the correct option.

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Five less than half the distance from Delaney’s home to the mall is more than 6 miles.

vovikov84 [41]

let x = the distance from Delany's house to the mall

so half the distance would be 1/2x

then it is 5 miles less than that so you would subtract 5 to give you 1/2x-5

and that is more than 6 miles so you get 1/2x-5>6

5 0

4 years ago

Read 2 more answers

Give an example of a linear equation that is perpendicular to y=5

scoray [572]

Answer:

Step-by-step explanation:

A linear equation (in slope intercept form) for a line perpendicular to y= -x+12 with a y-intercept of 5

5 0

4 years ago

Jake paints all sides except the bottom of the box length=20cm width=15cm height=12

Crazy boy [7]

Answer:

Area Painted = (2*12*15) + (2*20*12)

Step-by-step explanation:

If you imagine a box, you know that the bottom area would be found by multiplying the length by the width. Thus, the only other area you want to find are the sides of the box. I multiplied the length and the height as well as the width and the height. I multiplied that by 3 because there's two sides that are always going to be the same. I recommend you draw a picture before attempting to write an expression,

Hope this helped :)

6 0

4 years ago

What’s 4x + 7y + 4 + 5x + y

fomenos

Hello!

Okay, so first we need to add like terms... so first, add the terms with the same variables. That gives us:

9x + 7y + 4 + y

Now add 7y and y

That gives us:

9x + 8y + 4

This can't be added anymore... this is as far as we can go because they are no longer like terms.

6 0

3 years ago

Read 2 more answers

The line width for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micrometer and a standar

34kurt

Answer:

a) 0.0081975

b) 0.97259

Step-by-step explanation:

The line width for semiconductor manufacturing is assumed to be normally distributed with a mean of 0.5 micrometer and a standard deviation of 0.05 micrometer

We solve using z score formula

z = (x-μ)/σ, where

x is the raw score

μ is the population mean

σ is the population standard deviation.

a. What is the probability that a line width is greater than 0.62 micrometer?

z = 0.62 - 0.5/0.05

z = 2.4

Probability value from Z-Table:

P(x<0.62) = 0.9918

P(x>0.62) = 1 - P(x<0.62)

= 0.0081975

b. What is the probability that a line width is between 0.4 and 0.63 micrometer?

For 0.4

z = 0.4 - 0.5/0.05

= -2

Probability value from Z-Table:

P(x = 0.4) = 0.02275

For 0.63

z = 0.63 - 0.5/0.05

= 2.6

Probability value from Z-Table:

P(x = 0.63) = 0.99534

P(x = 0.63) - P(x = 0.4)

= 0.99534 - 0.02275

= 0.97259

c. The line width of 90% of samples is below what value?

6 0

3 years ago