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levacccp [35]
3 years ago
7

Check all of the ordered pairs that satisfy the equation below.

Mathematics
1 answer:
stiv31 [10]3 years ago
6 0

Answer:

Hey there!

y=3/4x shows that the y-value is always 3/4 of the x-value.

Thus, if x is 4, y is 3. It always fits the 4:3 ratio.

The ordered pairs that satisfy this equation are: 28:21 and 16:12

Let me know if this helps :)

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Tom jogged 3/5 mile on Monday and 2/6 mile on Tuesday how much farther did Tom joy on Monday then on Tuesday
gogolik [260]
\bf \cfrac{3}{5}-\cfrac{2}{6}\impliedby \textit{so, we'll use an LCD of 30}\implies \cfrac{(6\cdot 3)-(5\cdot 2)}{30}
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\cfrac{18-10}{20}\implies \cfrac{8}{20}\implies \cfrac{2}{5}
3 0
3 years ago
Can someone please answer. There is one problem. There's a picture. Thank you!
GrogVix [38]
The answer is B, 15,504.
The reasoning is 20C15.
      20!
---------------
(20-15)!15!

The answer to that is 15,504.
Hope I helped, boom!
7 0
2 years ago
The circumference of a circular stage is 157 feet. If Chris paints the stage at a rate of 400 square feet per hour, how long wou
Korolek [52]
We need the circumference and area of the circle equations:
c = 2*pi*r
a = pi*r^2
lets find the radius from the first equation:
r = c/2*pi
r = 157/(2*3.14)
r = 24.99 ft
now lets calculate the area:
a = pi*r^2
a = 3.14*(24.99)^2
a = 1960.93 ft^2
Now we need to divide the total area by the rate at which Chris paints, and that gives us the time needed:
time = <span>1960.93/400
time = 4.9 hours
that would be 5 hours rounded to the nearest hour</span>
8 0
2 years ago
I need a answer to B.
Contact [7]

Answer:

I don't know why? should i answer

Step-by-step explanation:

7 0
2 years ago
Rational Functions
kramer

Answer:

Step-by-step explanation:

Remark

I suppose the question is what is Thaddeus' time to make the trip. This is a fairly common question but not everyone knows how to solve it.

Derivation of the Formula

Prescott + Thaddeus = 1 trip

So the logic of the equation is this.

distance = 1 trip

time = number of dates

rate = ?

rate = distance / time

To find out what the contribution of Thaddeus is set up  a distance time formula.

1/21 days is the rate for Prescott

1/x days is the rate for Thaddeus

Together the rate is 1/9

Solution

1/21 + 1/x = 1/9

Subtract 1/21  from both sides

1/x = 1/9 - 1/21

It's not obvious what the LCM is.

9 = 3 * 3

21 = 3 * 7

LCM: 7 * 3 *3 = 63

1/x = 7/63 - 3/63 = 4/63

1/x = 4/63                             Cross Multiply

4x = 63                                 Divide by 4

x = 63/4

Answer

x = 15 3/4

x = 15.75

6 0
2 years ago
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