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Brilliant_brown [7]
2 years ago
11

Choose the correct simplification of the expression (5x5)2. 5x25 10x10 25x7 25x10.

Mathematics
1 answer:
alexdok [17]2 years ago
8 0

Answer:

25x^10

Step-by-step explanation:

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X - c = d - r , for x <br> HELP ASAP PLS
Margarita [4]

Answer:

x = d - r + c

Step-by-step explanation:

3 0
4 years ago
Which graph represents the solution set of 2x-5&lt;3
Leto [7]

Answer:

(See the attachment)

Step-by-step explanation:

None

8 0
3 years ago
Parallel lines s and t are cut by a transversal, r, as shown
Natalija [7]

Answer:

18

Step-by-step explanation:

i just took the test and got a 100% :)

8 0
3 years ago
Read 2 more answers
With individual lines at its various windows, a post office finds that the standard deviation for normally distributed waiting t
anastassius [24]

Answer:

H0 : σ²= 7.2²

H1 : σ² < 7.2

We can conclude that the mean waiting time of customers vary less, Than 7.2 minutes.

Step-by-step explanation:

H0 : σ²= 7.2²

H1 : σ² < 7.2²

The test statistic :

X² = [(n - 1)*s² ÷ σ²]

s² = 3.5

n = sample size = 25. ; s²

X² = [(25 -1)*3.5² ÷ 7.2²

X² = (24 * 3.5^2) / 7.2^2

X² = 5.67

Pvalue from Chisquare statistic :

P(X² < 5.67) = 0.000042

Pvalue < α ; we reject the Null.

Hence, we can conclude that the mean waiting time of customers vary less, Than 7.2 minutes.

5 0
3 years ago
You buy clothing at a sale you buy sneakers at 2/3 of their original price of $60 a sweater at 7/10 of its original price of $35
ozzi

Answer:

a. We spent all together 40.2+24.5+37.8=$102.50.

b. We saved 19.8+10.5+7.2=$37.50

c. \frac{102.50}{140}

Step-by-step explanation:

To find the amount we spend, we multiply the original price by the decimal conversion of each fraction. Then we add the amounts together.

  • Sneakers cost $60 and you bought them at 2/3=0.6666....

60(0.67)=$40.20 and saved $19.80

  • Sweater costs $35 and you bought it at 7/10=0.7

35(0.7)=$24.50 and saved $10.50

  • A jacket costs $45 and you bought it at 5/6=0.8333...

45(0.84)=$37.80 and saved $7.20

We spent all together 40.2+24.5+37.8=$102.50.

We saved 19.8+10.5+7.2=$37.50

We could of spent paying regular price 60+35+45=$140. To find the fraction we place the total we actually paid over the total regular price.

\frac{102.50}{140}



6 0
4 years ago
Read 2 more answers
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