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Ludmilka [50]
3 years ago
9

Help please with this worksheet i would greatly appreciate it

Mathematics
2 answers:
ch4aika [34]3 years ago
4 0

Answer:

Answer:  Here is a slides of answers to questions 1 - 4.  I wanted to do the rest but I didn't have time.  I hope the ones that I solved gives you a clear idea of how to do the rest.

Step-by-step explanation:

Download pdf
zhannawk [14.2K]3 years ago
3 0

Answer:

Step-by-step explanation:

I don’t see anything

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PLEASE HELP ME ASAP WILL GIVE BRAINLIEST IF ITS RIGHT!
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The range of frequency is from 0.05 to 0.35 and a couple f the numbers aren't close to the other numbers 0.05 is not close to 0.21 or 0.35

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8 0
3 years ago
Solve 3/3x + 1/x+4 = 10/7x solve for x
wariber [46]

Answer:

x = 14/3 + sqrt(217)/3 or x = 14/3 - sqrt(217)/3

Step-by-step explanation:

Solve for x:

x + 4 + 1/x = (10 x)/7

Bring x + 4 + 1/x together using the common denominator x:

(x^2 + 4 x + 1)/x = (10 x)/7

Cross multiply:

7 (x^2 + 4 x + 1) = 10 x^2

Expand out terms of the left hand side:

7 x^2 + 28 x + 7 = 10 x^2

Subtract 10 x^2 from both sides:

-3 x^2 + 28 x + 7 = 0

Divide both sides by -3:

x^2 - (28 x)/3 - 7/3 = 0

Add 7/3 to both sides:

x^2 - (28 x)/3 = 7/3

Add 196/9 to both sides:

x^2 - (28 x)/3 + 196/9 = 217/9

Write the left hand side as a square:

(x - 14/3)^2 = 217/9

Take the square root of both sides:

x - 14/3 = sqrt(217)/3 or x - 14/3 = -sqrt(217)/3

Add 14/3 to both sides:

x = 14/3 + sqrt(217)/3 or x - 14/3 = -sqrt(217)/3

Add 14/3 to both sides:

Answer:  x = 14/3 + sqrt(217)/3 or x = 14/3 - sqrt(217)/3

8 0
3 years ago
3. Solve the following word problems:
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mariana bedoya sanches

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3 years ago
Can you help with this please.
andrew-mc [135]

\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}

  • Given - <u>two </u><u>points </u><u>P </u><u>(</u><u> </u><u>5</u><u> </u><u>,</u><u> </u><u>1</u><u>0</u><u> </u><u>)</u><u> </u><u>and </u><u>R </u><u>(</u><u> </u><u>1</u><u>2</u><u> </u><u>,</u><u> </u><u>1</u><u>4</u><u> </u><u>)</u><u> </u><u>on </u><u>the </u><u>c</u><u>artesian </u><u>plane</u>

  • To find - <u>distance </u><u>between </u><u>the </u><u>two </u><u>points</u>

<u>Using </u><u>the </u><u>distance </u><u>formula</u> ~

\qquad\underline{d(PR) =  \sqrt{( x_{2}  -  x_{1}) {}^{2}  + ( y_{2} -  y_{1}) {}^{2}   }}  \\  \\

we have ,

\longrightarrow x_{1} = 5 \\ \longrightarrow x_{2} = 12 \\  \\  \longrightarrow \: y_{1} = 10 \\  \longrightarrow \: y_{2} = 14

<u>substituting</u><u> </u><u>the </u><u>values </u><u>in </u><u>the </u><u>formula </u><u>,</u><u> </u><u>we </u><u>get</u>

d(PR) =  \sqrt{(12-5) {}^{2} + (14-10) {}^{2}  }  \\  \\ \implies \: d(PR) =  \sqrt{(7) {}^{2}  + ( 4) {}^{2} }  \\  \\ \implies \: d(PR) =  \sqrt{49 + 16}  \\  \\ \implies \: d(PR) =  \sqrt{65}  \\  \\ \implies \: d(PR) = 8.1 \: units \: (approx)

hope helpful :)

5 0
2 years ago
Read 2 more answers
Which equation is written in slope-intercept form?
dlinn [17]

Answer:

y=3x+2

Step-by-step explanation:

slope intercept form

y=mx+b

y=y coordinate

m=slope

x=x coordinate

b= y-intercept

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