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BartSMP [9]
3 years ago
9

Bill and Lisa are surveying their classmates about their summer reading. Their questions are given below:

Mathematics
2 answers:
Dima020 [189]3 years ago
6 0

Bill, because there will be variability in the responses collected

zepelin [54]3 years ago
5 0

Bill is the one who wrote this statistical question so there will be there will be variability in the responses collected.

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The segments shown below could form a triangle.<br>O<br>A. True<br>O<br>B. False<br>​
sveta [45]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
At Haines Elementary, 30% of the 120 teachers were male. The following school year, several new teachers were hired. The number
zhannawk [14.2K]
First you create a proportion (30/100=x/120). After you solve this, next you subtract this answer from 120. Then create a proportion for 40% (40/100=x/120). Then add this number to the first answer you got when you subtracted the answer from your first proportion from 120.

6 0
3 years ago
Jasmine purchased 3 bags of hot cheetos and 2 packs of sour patch kids from the vending machine and spent 5.25. Michael also loa
Charra [1.4K]

Answer:

cost of a bag of hot Cheetos = 0.75 and cost of a pack of sour patch kids = 1.5

Step-by-step explanation:

Let the cost of a bag of hot cheetos be c

Let the cost of a pack of sour patch kids be k

Thus, for Jasmine, the equation will be;

3c + 2k = 5.25 - - - - (eq1)

For Michael, the equation will be;

7c + 3k = 9.75 - - - - - (eq2)

We will use method of elimination to solve this.

Multiply (eq 1) by 3 and (eq 2) by 2 to give;

9c + 6k = 15.75 - - (eq4)

14c + 6k = 19.5 - - -(eq5)

Subtract (eq4) from (eq 5) to get;

5c = 19.5 - 15.75

5c = 3.75

c = 3.75/5

c = 0.75

Put 0.75 for c in (eq 4) to get;

9(0.75) + 6k = 15.75

6.75 + 6k = 15.75

6k = 15.75 - 6.75

6k = 9

k = 9/6

k = 1.5

Thus; cost of a bag of hot Cheetos = 0.75 and cost of a pack of sour patch kids = 1.5

7 0
3 years ago
49/10 as a mixed number
Anni [7]
 ⇒ \frac{49}{10} 

\frac{49}{10} is a improper fraction. 
\frac{49}{10} as a mixed number would be 4 \frac{9}{10}

⇒10 x 4 = 40 
⇒40 + 9 = 49 

\frac{49}{10} = 4 \frac{9}{10} 

⇒ANSWER = 4 \frac{9}{10}

 
7 0
3 years ago
Read 2 more answers
15 points!!
saveliy_v [14]

Answer:

b

Step-by-step explanation:

9x7.8x1/2x12

6 0
1 year ago
Read 2 more answers
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