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N76 [4]
3 years ago
12

A teacher bought 5 boxes of markers. Each box contained 28 markers. Estimate how many markers she bought by rounding the number

of markers in a box to the nearest ten.
Mathematics
2 answers:
Alona [7]3 years ago
6 0

Answer:

150

Step-by-step explanation:

The answer is actually 150 because you first round 28 to 30, then you do 30x5=150

Hope this helps.

alisha [4.7K]3 years ago
4 0

Answer:

140 markers

Step-by-step explanation:

From the question;

  • The teacher bought 5 boxes of markers
  • Markers in 1 box = 28 markers

We are required to determine the total number of markers she bought

  • Number of markers = Number of boxes × number of markers per box

Therefore;

Number of markers bought = 5 boxes × 28 markers/box

                                              = 140 markers

Thus, the teacher bought 140 markers

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Irina18 [472]

Answer:

Mark me as Brainliest

fx^{-1} (x)=x+3

Step-by-step explanation:

To find the inverse of a function, just “trade” x and y and solve for the “new” y. The graph of the inverse is the reflection of the original function over the line y=x.

Rewrite the function

f(x)=x+3

as the equation, y=x+3

Trade x and y.

X=y+3

The symbol for the inverse if fx^{-1} (x)

fx^{-1} (x)=x+3

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3 years ago
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BartSMP [9]
The quotient is 3x-2
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What is an algebraic representation
inn [45]
Answer:

A linear representation such that, for each g in G, is an algebra automorphism.
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Use the substitution method to solve the system of equations. Choose the correct ordered pair. y=6x-4 y=7x-7 A. (4, 18) B. (5, 9
White raven [17]

Answer:

C (3,14)

Step-by-step explanation:

y=6x-4

y=7x-7

6x-4=7x-7

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5 0
3 years ago
Jeff and Jason are diving near a corral reef in the ocean. Jason is swimming along the bottom of the ocean floor 188.82 feet fro
Ray Of Light [21]
Ok, so we do pythagoran theorm so
assume that jason is to the left or right of the anchor

ok
the boat anchor is 172.22 feet so 20 feet above that is 152.22 feet
then the other leg or distance to jeff is 188.82

a²+b²=c²
152.22²+188.82²=c²
23170.9284+35652.9924=c²
58823.9208=c²
sqrt both sides
242.53643190251=c

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4 years ago
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