MATHEMATICS HIGH SCHOOL

3w + 4c - 9

use w = -5 and c = -9

please show work also!<2

Answers

Answer 1

Answer:

Answer:

-60

Step-by-step explanation:

3(-5)+4(-9)-9

-15+-36-9

= -60

Just fill in and solve. Hope this helps ;)

Answer 2

Answer:

Answer:

-60

Step-by-step explanation:

3(-5)+4(-9)-9= -60

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Given the preimage and image, find the dilation scale factor

Answers

Answer:

1/2

Step-by-step explanation:

the dilation factor should be 1/2

if u count the dots on the sides of the preimage there are 2 dots that's the length
if u count the dots on the real image it's 4
therefore 2/4 to it's lowest term is 1/2
so 1/2 is the scale factor

Answer:

should be 1/2 as your answer

If i have 2 apple and get 3 more then lose 2 how many do i have left

Answers

You have 2 apples, get 3 more, and then lose 2 of them.

So, you HAVE 2 apples, and if you get 3 more, you can add it to the 2.
$2 + 3 = 5$

In total at the moment, you have 5 apples. Now, you lose 2 more. We can subtract that from our total number of apples.
$5 - 2 = 3$

We now know that you are left with 3 apples.

2 apples + 3 apples - 2 apples = 3 apples

The scatter plot below shows the number of prom tickets sold over a period of 7 days. The line of best fit drawn on the plot shown is used to predict the number of tickets sold on a certain day. Use the two points shown on the line of best fit to calculate its slope to the nearest tenth.

Answers

Answer:

The slope is $4.2\ (tickets)/(day)$

Step-by-step explanation:

The picture of the question in the attached figure

Let

x ----> the number of days

y ---> the number of tickets sold

we have the points

(1,30) and (7,55)

The formula to calculate the slope between two points is equal to

$m=(y2-y1)/(x2-x1)$

substitute the given values in the formula

$m=(55-30)/(7-1)$

$m=(25)/(6)$

$m=4.2\ (tickets)/(day)$

For the right triangle shown, which expression represents the length of CA? a. 5cos(25°)
b. 5tan(25°)
c. 5/sin(25°)
d. sin(25°)/5

Answers

Answer:

b. 5tan(25°)

Step-by-step explanation:

The tangent function gives the ratio between the side opposite and the side adjacent to the angle. That is ...

tan(25°) = ?/5

Multiplying by 5 solves the equation:

? = 5·tan(25°)

Answer:

Step-by-step explanation:

I did it one usatestprep

Fred can drink 8 3/4 sodas in 5 minutes at thus rate how many sodas can fred drink in 2mintues

Answers

He can drink 2/5 of the 8 3/4 sodas.

$(2)/(5) x 8 (3)/(4) = (2)/(5) x (35)/(4)$

The answer is 7/2 or 3 1/2 sodas.

Of course, Fred would be better off is he drank water instead of soda. :-)

Find the center (h,k) and radius of the circle with the given equation.
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