MATHEMATICS HIGH SCHOOL

On my 30th birthday, I plan to light 30 candles on my cake and blow 30% of them.How many candles will stay lit after I'm done?

Answers

Answer 1

Answer:

Answer:

30% of 30 = 9

Step-by-step explanation:

Answer 2

Answer: 20 candles will stay lit

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Choose the equation below that represents the line that passes through the point (7, −2) and has a slope of −3.y − 2 = −3(x + 7)
y + 7 = −3(x − 2)
y + 2 = −3(x − 7)
y − 7 = −3(x + 2)

Answers

Answer:

Therefore, Option 3rd is correct that is $y+2=-3(x-7)$ which is required equation of a line.

Step-by-step explanation:

We have given a point through which line is passing that is (7,-2) and slope is also given which is -3

We have a general equation of line which is

$(y-y_1)=m(x-x_1)$

Here, $m=-3$

And $y_1=-2,x_1=7$ on substituting the values in the given formula for equation of a line we will get

$y-(-2)=-3(x-7)$

$\Rightarrow y+2=-3(x-7)$

Therefore, Option 3rd is correct that is $y+2=-3(x-7)$ which is required equation of a line.

Hello,

y+2=-3*(x-7)

Answer C

using the tables presented in your reading material,find the maturity value of a $1 at a compound interest rate of 9% over 4 periods.a.1.3859 b.1,4116 c.1,4641 d.1,4661

Answers

The value is 1 dollar.
With compound interest rate of 9% over 4 period.
=> 1 dollar * .09 = 0.0081
=> 1.0081 * 0.09= 0.090729
=> 0.090729 + 1.0081 = 1.098829
=> 1.098829 * .09 = 0.09889461
=> 1.098829 *+ 0.09889461 = 1.19772361
=> 1.19772361 * .09 = 0.1077951249
=> 1.19772361 + 0.1077951249 = 1.3055187349
Or 1.31

Answer:

b. $1,4116

Step-by-step explanation:

just look in the chart it shows you the answer

20 yards 8 inches is divided into 26 equal sections, how long is each section

Answers

In the given question, there are several information's of immense importance and worth taking a look. based on these information's, the answer to the question can be easily determined.The length that has to be divided into 26 equal parts is 20 yards and 8 inches.Firstly we have to change the yard into inches and then we can divide the total inches into 26 equal parts.
We know
1 yard = 36 inches
20 yards = 720 inches
Then the total length that has to be divided = (720 + 8) inches
= 728 inches
Now we have to divide the 728 inches into 26 equal parts.
Length of each section = (728/26) inches
= 28 inches.
So each of the 26 parts will have a length of 28 inches.

A tree 7 ft tall grows an average of 6 in. each year. Which equation models the tree’s height h after x years?

Answers

Simple...

you want to find h...

it's already 7 feet tall..and grows 6 inches per year...

h=6x+7

Thus, your answer.

The circumference of a pizza is 75.36 in. What is the approximate area of the circle? Answers A.(113.04 in2)
B.(37.68 in2)
C.(1808.64 in2)
D.(452.16 in2)