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krok68 [10]
3 years ago
11

5a + 12d - 19a -11d -a

Mathematics
2 answers:
dlinn [17]3 years ago
7 0
Is 5a+d I hope it helps
horsena [70]3 years ago
3 0

Answer:

-15a+d

Step-by-step explanation:

5a-20a+12d-11d

-15a+d

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Clayton biked 3/8 of the 14.5 miles between his house and the beach.How many miles does he still need to bike before he reaches
Gekata [30.6K]
Explanation: Given: Clayton bikes 3/8<span> of </span>14.5 miles<span>. </span>38⋅14.5<span>1=43.58=5.4375 </span>miles biked<span>. Left to </span>bike<span> to </span>beach<span>: 14.4−5.4375=9.0625 </span>miles<span>. OR. </span>38 biked<span>, means 58 left to </span>bike: 58⋅14.5<span>1=72.58=9.0625 </span>miles<span>. Was this helpful? </span>
4 0
3 years ago
Read 2 more answers
In a normal distribution, what is the probability that a data value will fall below the 
Serga [27]

Answer:

A 99.96%

Step-by-step explanation:

The z score shows by how many standard deviations the raw score is above or below the mean. The z score is positive if the raw score is above the mean while the z score is negative if the raw score is below the mean. The z score is given by:

z=\frac{x-\mu}{\sigma} \\\\where\ z=z-score,\ x=raw\ score,\mu=mean, \ \sigma=standard\ deviation\\\\For\ a\ sample\ size(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }

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8 0
2 years ago
How do you solve <br> 8|x+2|-6=5|x+2|+3
sergejj [24]

Answer:

x = 1 or x = -5

Step-by-step explanation:

Solve for x over the integers:

8 abs(x + 2) - 6 = 5 abs(x + 2) + 3

Subtract 5 abs(x + 2) - 6 from both sides:

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abs(x + 2) = 3

Split the equation into two possible cases:

x + 2 = 3 or x + 2 = -3

Subtract 2 from both sides:

x = 1 or x + 2 = -3

Subtract 2 from both sides:

Answer:  x = 1 or x = -5

7 0
3 years ago
For 23 - 25, use the function y = 0.23x +1.<br> 23. f(2)= ?<br> 24. f(0) = ?<br> 25. f(-3) = ?
BlackZzzverrR [31]
23. f(2)= 1.46
24. f(0)= 1
25. f(3)= 1.69
3 0
3 years ago
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Scientists believe that every day the number of viruses that exist (x) will be multiplied by 6. Write an expression to express t
Rasek [7]

Answer:

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The virus (x) time 6

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