MATHEMATICS HIGH SCHOOL

ProblemKong took 15\%15%15, percent fewer seconds than Nolan took to complete his multiplication timed test. Kong took 858585 seconds.
How many seconds did Nolan take?

Answers

Answer 1
Answer:

kong: 15% 15x100=1,500

Nolan:85 seconds 85x2=170

then when you multiple kong by 15 and 100 it gives you 1,500 however nolan did of the seconds 85x 2 gives you 170 . in conclusion Nolan did 15x2=30 . which means Nolan did 30 seconds.

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A project on Kickstarter.com was aiming to raise $15000 for a precision coffee press. They ended up with 714 supporters, raising 557% of their goal. How much did they raise?

Answers

The required solution is $83,550 raised.

It is required to find the amount did they raise.

What is percentage?

A part of a whole expressed in hundredths a high percentage of students attended. Also the result obtained by multiplying a number by a percent the percentage equals the rate times the base.

Given:

For a precision coffee press=$15000

Supporters=714

Raised= 557% of their goal.

According to given question we have,

They raise  

15000 x 5.57

= $83,550 raised

Therefore, the required solution is $83,550 raised.

Learn more about percentage here:

brainly.com/question/10921717

#SPJ2
For this, we can set up a proportion.
Their aim was 15000, so if they raised 100% of their goal, they wouldve raised exactly 15000.
They raised 557%, so how much did they make?

Proportion:

$15000 100%
$x 557%

Our expression would be x=$15000*557% divided by 100%, which would be $83550, so... a lot of money.

(we did an “x” formation with the proportion, ie “connected” x with 100, and “connected” 15k and 557. The number connecting to x is what we divide the equation by, and the other two are multiplied and then divided by the first number connecting to x. Otherwise we couldve calculated 557% of 15000 and gotten the same result. Whichever way is easier for you :) )

. If B is a complement of A, and C is a supplement of B, find these measures. A
equals 40

Answers

complementary angles add up to 90
so if A and B are complementary....and A = 40, then B = 90 - 40 = 50.

supplementary angles add up to 180
so if B and C are supplementary, and B = 50, then C = 180 - 50 = 130

A data set contains an independent and dependent variable which must be true or the data set of a linear function can be used to represent the data

Answers

The correct answer for the question that is being presented above is this one: "d. The values in the set must be increasing." A data set contains an independent and dependent variable which must be true or the data set of a linear function can be used to represent the data.

Here are the following choices:
a. The set must have a constant additive rate of change.
b. The set must have a constant multiplicative rate of change.
c. The values in the set must be positive.
d. The values in the set must be increasing.

Answer: D

Step-by-step explanation: edg

What are the factors of m2 – 12m + 20?

Answers

m² - 12m + 20

m² ⇒ m * m
20 ⇒ - 10 * -2

(m - 10)(m - 2)
m(m - 2) - 10(m-2)
m² - 2m - 10m + 20
m² - 12m + 20

m - 10 = 0
m = 10

m - 2 = 0
m = 2

Answer:

To make it simpler than the answer on top of this one the ANSWER IS B

Step-by-step explanation:

Which table shows a negative correlation?

Answers

If we graph the x - y values in a scatter plot and draw a line of best fit, we can easily see the solution.

Negative correlation means y decreases as x increases, or a negative sloping line.

Attached is the graphs of all the 4 choices. Clearly, the 4th table shows negative correlation.


ANSWER: Last table (4th table) shows negative correlation

The table that shows negative correlation is the fourth table.

What is correlation?

Correlation is used in statistics to determine the relationship that exists between two variables.

Negative correlation means there is no relationship between the variables.  When plotted on a graph, a negative correlation would be downward sloping. Looking at the tables, when plotted, only the fourth table would be downward sloping.

To learn more about negative correlation, please check: brainly.com/question/27246345

What is the answer for (20,8),(9,16) ?

Answers

The slope is -4 and another point would be (19,12) and the equation for the line (in slope-intercept form) is y=-4x+88

Answer:

at twice the father's rate of speed. At this rate; how many miles would the bicycle rider travel in 9 hours?

Step-by-step explanation:

at twice the father's rate of speed. At this rate; how many miles would the bicycle rider travel in 9 hours?
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