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tekilochka [14]
2 years ago
15

Estimate the unit rate. 178 students in 7 classes

Mathematics
1 answer:
sdas [7]2 years ago
4 0

Answer:

25.4 students in each class

Step-by-step explanation:

178/7 = 25.4285714286 rounded up to 25.4

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Which of these equations have no solution? Check all that apply.
Llana [10]
2(x + 2) + 2 = 2(x + 3) + 1
2x + 4 + 2 = 2x + 6 + 1
2x + 6 = 2x + 7 - NO SOLUTION
(subtract 2x from both sides, then 6 = 7 FALSE)

2x + 3(x + 5) = 5(x – 3)
2x + 3x + 15 = 5x - 15
5x + 15 = 5x - 15 - NO SOLUTION

4(x + 3) = x + 12
4x + 12 = x + 12 - ONE SOLUTION

4 – (2x + 5) = (–4x – 2)
4 - 2x - 5 = -4x - 2
-2x - 1 = -4x - 2  - ONE SOLUTION

5(x + 4) – x = 4(x + 5) – 1
5x + 20 - x = 4x + 20 - 1
4x + 20 = 4x + 19 - NO SOLUTION




3 0
3 years ago
Read 2 more answers
At a store clearance, a woman spent less than $200 on shirts that were labeled $15 each. How many shirts did she buy? Identify t
Roman55 [17]

divide 200 by 15

200/15 = 13.33

so she bought 13 shirts

13 x 15 = 195

8 0
3 years ago
A triangle has a side lengths of (5.5x + 6.2y) centimeters, (4.3x+8.3z) centimeters and (1.6z -5.1y) cenrimeters which expressio
Ghella [55]
(5.5x + 6.2y) + (4.3x + 8.3z) + (1.6z - 5.ly)
Combine Like Terms
9.8x + 1.1y + 14.5z 

So the perimeter is 
9.8x + 1.1y + 14.5z
4 0
3 years ago
Read 2 more answers
-19 over 25 minus 15 over 19 ANSWER QUICKLY​
dmitriy555 [2]

Answer:

\frac{ - 14}{475}

Step-by-step explanation:

\frac{ - 19}{25}  -  \frac{15}{19}

\frac{ - 14}{475}

Hope this was helpful :)

4 0
3 years ago
Find the area of the polygon! <br> (I don't know why its being deleted im sorry:(
stiv31 [10]

Answer:

40

Step-by-step explanation:

The given shape is made up of 4 equal right angled triangles.

Formula : -

Area of right angled triangle

= bh / 2

Here,

Base ( b ) = 5

Height ( h ) = 4

Area of each right angled triangle

= bh / 2

= ( 5 x 4 ) / 2

[ 4 = 2 x 2 ]

= ( 5 x 2 x 2 ) / 2

= 5 x 2

= 10

Area of 4 right angled triangles

= 4 x 10

= 40

Note : -

" □ " signify " right angle ".

3 0
2 years ago
Read 2 more answers
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