Steve and Ed were comparing how much money they earned in a 9 week period. Steve earned $149.53 each week for three weeks. He then earned twice as much each week for the next six weeks. Ed earned $108.77 for two weeks. He then earned three times as much each week for the next seven weeks. How much more did Ed earn than Steve?

Answers

Answer 1

Answer: Steve: 149.53 x 3 = 448.59
299.06 x 6= 2242.95
2242.95 + 448.59 =
$2242.59

Ed: 108.77 x 2 = 217.54
326.31 x 7 = 2284.17
2284.17+ 217.54 = $2501.71

$2501.71 - $2242.95 =
$258.76

Ed earned $258.76 more than Steve.

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Amanda, Bryan, and Colin are in a book club. Amanda reads twice as many books as Bryan per month and Colin reads 4 fewer than 3 times as many books as Bryan in a month. In 4 months the number of books Amanda reads is equal to 5/8 the sum of the number of books Bryan and Colin read in 4 months. How many books does each person read each month?

Answers

A=2bC=3b-4. A=5/8x4 = b+cx4If Brian read let's say 3 books a month then amanda reads 6 and Collin reads 5So the answer would be B= Brian's books. A= Amanda's books and c= Collins booksSo a=2xbB=bC=(3b)-4

the bbookstore has 60 womrns magazines and 20 other magazin. what percentage of the magazines at the bookstore are womans magazines

Answers

Hi,

Equation for this problem;

$((60 + 20) / 100) * 60 \n (80 / 100) * 60 \n 0.8 * 60 = 48$

Answer: 48%

Hope this helps.
r3t40

Ok. The point (3,0) lies on a circle with the center at the origin. What is the area of the circle?

Answers

If a point on the circle is (3,0) then the radius is 3 units.
The area of the circle is $\pi *r^(2)$
$\pi *9$
about 28.27 units

According to the Fundamental Theorem of Algebra, the graph of f(x) = x2 - 4x + 3, has roots. From the graph we can see that it has zeros.

Answers

Answer:

The graph $f(x)=x^2-4x+3$ has two zeros namely 3 and 1.

Step-by-step explanation:

Consider the given equation of graph $f(x)=x^2-4x+3$

According to the Fundamental Theorem of Algebra

For a given polynomial of degree n can have a maximum of n roots.

Thus, for the given equation $f(x)=x^2-4x+3$ the degree of polynomial is 2 , thus the function can have maximum of 2 roots.

We know at roots the value of function is 0 that is f(x) = 0,

Substitute f(x) = 0 , we get, $f(x)=x^2-4x+3=0$

This is a quadratic equation, $x^2-4x+3=0$

We first solve it manually and then check by plotting graph.

Quadratic equation can be solved using middle term splitting method,

here, -4x can be written as -x-3x,

$x^2-4x+3=0 \Rightarrow x^2-x-3x+3=0$

$\Rightarrow x(x-1)-3(x-1)=0$

$\Rightarrow (x-3)(x-1)=0$

Using zero product property, $a\cdot b=0 \Rightarrow a=0\ or \ b=0$

$\Rightarrow (x-3)=0$ or $\Rightarrow (x-1)=0$

$\Rightarrow x=3$ or $\Rightarrow x=1$

Thus, the two zero of f(x) are 3 and 1.

We can also see on graph attached below that the graph $f(x)=x^2-4x+3$ has two zeros namely 3 and 1.

Answer:

2 roots

2 zeros

Step-by-step explanation:

A point on the line y=3x-4 has an x- coordinate of 50. what is the y-coordinate of this point

Answers

The y-coordinate of the point is 146

In order to calculate y-coordinate, just substitute the value of x-coordinate into the expression:
y = 3x - 4
y = 3(50) - 4
y = 150 - 4
y = 146

In short, Your Answer would be 146

Hope this helps!

PLEASE HELP ME I BEG I REALY NEED HE;LLP!!!!

Answers

as is customary with this quantity of questions, I will only provide answers and not detailed solutions
so the general thing you need to find the solutions
mode=most repeated number
mean=average
probabilty=(desired outcomes)/(total possible outcomes)
permutations (how many ways can you pick...) if you have the question
'how many ways can you order 3 blocks' you do
3 possible for first slot
2 possible for second since 1 was in firrst slot
1 possible for last so
number is 3 times 2 times 1=6 ways

so if you did have one like
'if you can pick 3 blocks from a selection of 10 blocks, how many ways can you pickthem (order counts'
so 10 in first slot
9 in second
8 in third so
10 times 9 times 8=720 ways

1. first or 11
2. third or 9/20
3. first or 2/15
4. second or 36
5. first or 1680
6. fourth 8.625
7. fourth or no mode
8. third or 2008

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