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Rudiy27
2 years ago
9

What are the terms in the expression 2x-4y+8

Mathematics
1 answer:
frez [133]2 years ago
3 0
2x,-4y is the awnser    
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Circle X has radius r X = 6 units and circumference C X = 12 π units. Circle Y has circumference C Y = 6 units. Which equation i
slega [8]

Answer:

ry=\frac{rx}{2\pi }

Step-by-step explanation:

we know that

The circumference of a circle is equal to

C=2\pi r

we have

<em>Circle X</em>

rx=6\ units

Cx=12\pi\ units

<em>Circle Y</em>

Cy=6\ units

Find the radius ry

we know that

Cy=2\pi ry

substitute the value of Cy

6=2\pi ry

ry=\frac{6}{2\pi }

Remember that the value of rx is rx=6\ units

substitute

ry=\frac{rx}{2\pi }

6 0
2 years ago
Hi guys, I really need help, I reckon this is easy for you but I'm low-key disabled and need help with this question so please h
serious [3.7K]

Answer:

15, 8, 66%, 40

Step-by-step explanation:

Hi! ok so in ogive charts its really about finding the corresponding data points and sometimes it's a lot of estimation so these answers may not be exact but they'll be close.

In the image, you'll see a bunch of lines, basically what youre doing is finding the corresponding frequency of the dollars or vice versa.

<em>question a)</em>

50 dollars or less, so the area of 50 dollars and below that.

from the chart we can see that this lines up to around 15 people.

<em>question b)</em>

now this one is a little bit more challenging, but you can use the same process as you did for the first question. so we can see who spent 100 dollars or less. this value is around 42 (just from looking at the graph)

<em>we know if you didn't spend 100 dollars or less, you must have spent more than that. </em>

so take 50-42=8

around 8<u> people</u> spent 100 dollars or more.

<em>question c)</em>

basically the same question as the first but more calculations are involved. from the graph we can see around 33 people spent 80 dollars or less. but the question is asking the percentage. so what percent of 50 (people) is 33.

33/50 = 0.66

around 66%

<em>question d)</em>

80th percentile means less than or equal to 80% of the frequencies/the data. so we first need to find what value that is in terms of frequency.

50 times 0.8 = 40

40 people

now just plot that on the graph (sorry i did it wrong in the image)

8 0
3 years ago
The sum of a number and 3 divided by 9
polet [3.4K]

Answer:

\frac{(x+3)}{9}

Step-by-step explanation:

6 0
3 years ago
I really need help i think my brain died
lyudmila [28]
Same cause school kinda slow bsndndndndnndnfnfnfnfn sorry I need the points
4 0
3 years ago
Determine the slope of the line that contains the given points <br><br> J(-5, -2), K(5, −4)
Irina-Kira [14]

Answer:

-\frac15

Step-by-step explanation:

Hello!

We can utilize the slope formula to find the slope.

Slope Formula: S = \frac{y_2-y_1}{x_2-x_1}

Remember that a coordinate is written in the form (x,y)

<h3>Find the Slope</h3>
  • S = \frac{y_2-y_1}{x_2-x_1}
  • S = \frac{-4-(-2)}{5-(-5)}
  • S = \frac{-2}{10}
  • S = -\frac15

The slope of the line is -\frac15.

4 0
2 years ago
Read 2 more answers
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