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ZanzabumX [31]
3 years ago
9

Write the algebraic expression for each word problem. See if you can spot the trick problem that doesn’t need algebra!

Mathematics
1 answer:
AfilCa [17]3 years ago
7 0

Answer:

6) -7 + 10 = 3 (3 more; total number doesn't matter)

7) 50w + 20

8) c / 5

9) 5 + 2t

10) 4d  + 2d

I didn't see the trick problem!

You might be interested in
Suppose it is known that the distribution of purchase amounts by customers entering a popular retail store is approximately norm
Ket [755]

Answer:

69.15% probability that a randomly selected customer spends less than $105 at this store

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 100, \sigma = 10

What is the probability that a randomly selected customer spends less than $105 at this store?

This is the pvalue of Z when X = 105. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{105 - 100}{10}

Z = 0.5

Z = 0.5 has a pvalue of 0.6915

69.15% probability that a randomly selected customer spends less than $105 at this store

7 0
2 years ago
Read 2 more answers
5x minus 6 equal 44?
Lisa [10]

Answer:

x = 10

Step-by-step explanation:

I'm not entirely sure what you're asking, however we know that:

5x-6=44

5x must be 50, as 50-6=44

50 divided by 5 is 10, so 10x

6 0
3 years ago
Read 2 more answers
PLS HELP ASAP ILL GIVE BRAINLKEST PLS THANKS
Inga [223]

Answer:

the answer is the second one:

ordered pair (2,-2) ; y-intercept -4

Step-by-step explanation:

hoped that helped

3 0
2 years ago
Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $30.00, how much money is angela sav
Musya8 [376]
You have to calculate percent from the original price. Try it and show the results.
7 0
3 years ago
$2000 was borrowed for 4 years with an interest rate of 3% compounded annually. What is the total amount owed at the end of the
kompoz [17]

Answer:

\$2,251.02  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the total amount owed  

P is the amount of money borrowed

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=4\ years\\ P=\$2,000\\ r=3\%=3/100=0.03\\n=1  

substitute in the formula above  

A=2,000*(1+\frac{0.03}{1})^{1*4}  

A=2,000*(1.03)^{4}  

A=\$2,251.02  

4 0
3 years ago
Read 2 more answers
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