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stich3 [128]
3 years ago
10

According to a survey, 70 middle school students, or 28%, walk to school. How many students attend the middle school?

Mathematics
1 answer:
krek1111 [17]3 years ago
8 0

Answer:

70/.28 or 70/28 division=  /

Step-by-step explanation:

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What is a simplified eCarlotta thinks that 3y + 5y3 is the same as 8y4. Which statement shows that it is NOT the same?Xpression
stira [4]

Questions:

(a) What is a simplified expression for (x + y) – (x – y)?

(b) Carlotta thinks that 3y + 5y^3 is the same as 8y^4. Which statement shows that it is NOT the same?

Answer:

(x + y) - (x - y) =2y

3y + 5y^3 \ne 8y^4

Step-by-step explanation:

Solving (a):

Given

(x + y) - (x - y)

Required

Simplify

(x + y) - (x - y)

Open brackets

(x + y) - (x - y) = x + y - x + y

Collect Like Terms

(x + y) - (x - y) = x - x+ y  + y

(x + y) - (x - y) = y  + y

(x + y) - (x - y) =2y

Solving (b):

Given

3y + 5y^3 and 8y^4

Required

Which expression shows they are not the same

The expression that shows this is:

3y + 5y^3 \ne 8y^4

Take for instance; y=2

Substitute 2 for y in 3y + 5y^3 \ne 8y^4

3*2 + 5*2^3 \ne 8*2^4

Evaluate all exponents

9 + 5*8 \ne 8*16

9 + 40 \ne 128

49 \ne 128

The above expression supports 3y + 5y^3 \ne 8y^4

5 0
3 years ago
the star bakery they made 112 loaves of bread on monday. on tuesday they made twice as much as they made monday. how many loaves
bonufazy [111]

Answer:

224

Step-by-step explanation:

112 x 2 = 224

5 0
3 years ago
What is the value of the y-coordinate of the solution to the system of equation 2x+y=8 and x-3y=-3
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1) 2x + y = 8                           2) x - 3y = -3
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y-coordinate: (0, 8)             x-coordinate: (-3, 0)
8 0
4 years ago
Troy drew the diagram below. The inner circle has a radius of 2 units, and the outer circle has a radius of 5 units. Troy says t
LUCKY_DIMON [66]

Answer:A he is correct because the inner circle is a dilation of the outer circle

Step-by-step explanation: just did the test

8 0
3 years ago
Can show me how to do this ?
elena-s [515]
You have to multiply your 20cm by 6cm and your final answer being 120 because 0 times 6 is zero and 2 times 6 is 12, then that getting you 120
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