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ivanzaharov [21]
3 years ago
7

Do anyone idc just please I need help!!!!

Mathematics
1 answer:
aalyn [17]3 years ago
3 0
I did a few, to show you how.
Slide 1:
A) class A; range of 7
B) class a; 5.5
C) class b; 6.7 appx
D) class a

These are how to find each one:

Mean: add all the numbers and divide by the number of numbers. Ex. 1+2+3= 6/3=2
Median: middle of the numbers
Range: take the smallest value away from the largest value
IQR: find the median; find the range of the numbers above and below the median. Take the range of those two numbers that is the IQR
MAD: find the mean; take absolute value of numbers and subtract mean (|x|-mean); find sum of absolute value and difference; divide by the number of numbers.

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What is the product of 3 2/3 + 14 2/5?
Volgvan
<span>So we wan't to know what is the sum of 3 2/3 and 14 2/5. First lets turn them into fractions: first one is 11/3 and the second is 72/5. Now lets add them: We multiply fractions this way: (a/b)+(c/d)={(a*d)+(c*b)}/(b*d). Following this rule: {(11*5)+(72*3)}/(3*5)={55+146}/15=201/15. and finally lets turn it back into a mixed number: 13 6/15</span>
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3 years ago
PLS HELP ASAP
djverab [1.8K]
Substitute the value 350 in for your velocity:
350 = 20 * sq rt(273+t)
divide both by 20 --> 17.5 = sq rt(273 +t)
square both to cancel out the sq rt --> 306.25 = 273 +t
then just subtract 273 from both to get 33.25 = t
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4 years ago
Coefficient of x^2(px^2+4x+r)×(4x^2-3qx-5)​
tankabanditka [31]

Step-by-step explanation:

left side of the expression has an x^2 term, x term and constant(x^0 term), same for the right side of the expression

x^2 coefficient = p(-5) + 4(-3qx) = -5p -12qx

4 0
3 years ago
I need help solving it
blagie [28]
X2-64=0
x2=64

x=8 because when multiplied by itself, and plugged back in, it works
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Simplify the product using the distributive property.<br><br> (8b+5)(7b-2)=?
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Answer:

5 6 2 + 1 9 − 1 0

Step-by-step explanation:

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