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forsale [732]
4 years ago
12

The following stem-and-leaf plot represents the scores earned by Mr. Roberts's class on their most recent science test.

Mathematics
2 answers:
Galina-37 [17]4 years ago
7 0

Answer:

19 students

Step-by-step explanation:

NNADVOKAT [17]4 years ago
4 0
Total 19 students in class

Hope it helps
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A tug boat traveled -15 miles in 0.3 hours what was its velocity
GenaCL600 [577]

Answer:

22.35 m/s

Step-by-step explanation:

The distance is always a positive unit, so distance traveled (d) = 15 miles

Time (t) = 0.3 hours

Time (t) = 0.3 * 60 = 18 minutes

(1 hour = 60 minutes)

Velocity (v) = ?

The formula of distance is: d = v*t

=> v = d/t = 15/18 = 0.83 miles/minute

we can also calculate velocity is meter/sec, for that

1 minute = 60 sec

=> 18 mins = 18*60 = 1080 sec

1 mile = 1609.34 meters

=> 15 miles = 15 * 1609.34 = 24,140 m

hence,

v = 24,140/1080 = 22.35 m/s

4 0
3 years ago
John's mother is three less than four times John's age. Their combined age is 37. What is John's age?
Komok [63]
I think the answer is 8
6 0
3 years ago
Express the product in simplest form.
Romashka [77]
\frac{8}{2x+8} *  \frac{ x^{2}-16 }{4}

1. Cross cancel
\frac{4}{2x+8}* \frac{ x^{2} -16}{1}

2. Multiply numerators
4*x²-16 = 4x²-64

3. Multiply denominators
2x+8*1 = 2x+8

\frac{4 x^{2} -64}{2x+8}

4. Divide
\frac{4 x^{2} -64}{2x+8} = 2x-8

5. Simplify
2(x-4)

Answer is 2(x - 4)
4 0
3 years ago
A map has a scale of 6 in. = 18 mi. If you measured the distance between two cities to be 26 in. on the map, how many miles woul
Travka [436]

Answer:

78 mi

Step-by-step explanation:

18/6 = 3

1 in= 3 mi

26×3= 78 mi

8 0
3 years ago
3. Subtract.<br> 4.<br> a)<br> 1.45<br> 1.40<br> b)<br> 13.25<br> 10.05<br> -<br> -<br> Pls helppppp
saveliy_v [14]

Answer:

A) .05

B) 3.20

Step-by-step explanation:

1.45-1.40 = .05

13.25-10.05 = 3.20

7 0
3 years ago
Read 2 more answers
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