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horrorfan [7]
2 years ago
12

There are 4 students in a study group they each have to complete 40 math problems per week. Here are the amounts they each have

so far ( 100%, 45/40, 0.4, 2/3 ), order them from greatest to least.
Mathematics
2 answers:
guapka [62]2 years ago
7 0
(100%,45/40,2/3,0.4)
ANEK [815]2 years ago
4 0
Before we begin, let's make the fractions and percents a decimal. 100% as a decimal is 1, 45/40 as a decimal is 1.125, and 2/3 as a decimal is 0.666. Now, we have 1, 1.125, 0.4, and 0.666. You asked to order them from greatest to least. Here is the order it should be in. 45/40, 100%, 2/3, 0.4
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three positive numbers are in Arithmetic Progression (A.P). the sum of the squares of the three numbers is 155. while the sum of
Alecsey [184]
Given:
Three numbers in an AP, all positive.
Sum is 21.
Sum of squares is 155.
Common difference is positive.

We do not know what x and y stand for.  Will just solve for the three numbers in the AP.
Let m=middle number, then since sum=21, m=21/3=7
Let d=common difference.
Sum of squares
(7-d)^2+7^2+(7+d)^2=155
Expand left-hand side
3*7^2-2d^2=155
d^2=(155-147)/2=4
d=+2 or -2
=+2  (common difference is positive)

Therefore the three numbers of the AP are
{7-2,7,7+2}, or
{5,7,9}


6 0
3 years ago
What is the slope of the line in this graph?
Nina [5.8K]

The slope of the line 5/7.

How do i know this?

Well the slope of a line is considered as rise/run.

So we start at the beginning and then go up until the line intersects a corner again. Then we mark that down.

Go back to the beginning and count how many times it takes to reach the height of the intersected corner. So it is 5.

Then we go to the right until we reach the point. And it takes 7 squares to reach it, so the slope it 5/7.

Your welcome! :D

7 0
2 years ago
A bank representative studies compound interest so she can better serve customers. She analyzes what happens when 2,000 earns se
Law Incorporation [45]

Answer:

Final amount = 25,407.4

Step-by-step explanation:

A = P ( 1 + \frac{r}{t} )n^{}

A = final amount

P = initial principal balance

r = interest rate

t = number of times interest applied per time period

Here P = 2000

r = 4 %

n = 3 years

A = 2000( 1 + \frac{4}{3} )³

    = 2000( \frac{7}{3} )³

   = 2000 × \frac{343}{27}

   = 25,407 .4

Final amount = 25,407.4

3 0
2 years ago
Given the trinomial, what is the value of the coefficient 'B' in the factored form?. . 2x^2 + 14xy - 36y^2 = 2(x + By)(x - 2y).
soldi70 [24.7K]
The value of the coefficient B is 9.

2(x+By)(x-2y)
=2(x^2 -2xy +Bxy -2By^2)
=2x^2 -4xy + 2Bxy - 4By^2

The original form is 2x^2 + 14xy - 36y^2

-36y^2 = -4By^2
B= 9
-4xy +2Bxy= 14xy
xy(-4 +2B)= 14xy
-4 + 2B = 14
2B = 18
B=9
3 0
3 years ago
Read 2 more answers
Find two nontrivial functions f(x) and g(x) so that f(g(x)) = (-6-3x)^6
creativ13 [48]

Answer:

g(x) = -6 - 3x

f(x) = X^6

Step-by-step explanation:

4 0
3 years ago
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