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Levart [38]
2 years ago
13

A group of students stood in a circle to play a game. The circle had a diameter of 22 meters. Which measurement is closest to th

e circumference of the circle in meters?
Mathematics
1 answer:
matrenka [14]2 years ago
3 0
69.12 meters is the circumference of that circle.
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Twelve packs of paper cost $7.20. Of each pack costs the same, how much does one pack cost?
White raven [17]
Each pack costs $1.66 dollars
5 0
3 years ago
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Y= 1/6x find y when x= -60
vitfil [10]

Answer:

-10

Step-by-step explanation:

Plugin the value of x.

y=1/6(-60)

y=-60/6

y=-10

If this helped please consider giving brainliest.

6 0
3 years ago
What expression can be used for estimating 868 divided by 28
vovangra [49]
Round 28 to nearest ten and 868 to nearest hundred
900 ÷ 30 = 30
7 0
3 years ago
In this diagram, ABAC – AEDF. If the<br> area of ABAC = 6 in?, what is the<br> area of AEDF?
shepuryov [24]

Answer:

2.7 in²

Step-by-step explanation:

similar triangles have the same angles, and all side lengths (or other distances) of one triangle have the same scaling factor to the side lengths of the other triangle.

so, we know the relation between the 2 baselines is 2/3, as this is the factor to turn the baseline of the large triangle into the baseline of the smaller triangle.

in other words

EF = BC × 2/3

2 = 3 × 2/3

correct

how do we calculate the area of a triangle ?

Area = baseline × height / 2

from BAC we know

Area = 6

baseline = 3

height = ?

6 = 3 × height / 2

12 = 3 × height

height = 4

aha !

now, EDF has a height too that we need to calculate is Area. and this height has the same scaling factor compared to the larger triangle as the side lengths : 2/3

so, for EDF we know

Area = ?

baseline = 2

height = 4 × 2/3 = 8/3

therefore, the area is

Area = (2 × 8/3) / 2 = (16/3) / 2 = 8/3 = 2.66666... ≈ 2.7

the shirt answer would be :

we know from the 2 baselines that the scaling factor for each distance is 2/3.

for the area we need to multiply 2 distances, so that means we have to multiply both by 2/3. and so on the formula for the area we have to use 2/3 × 2/3.

2/3 × 2/3 = 4/9

=>

Area small = Area large × 4/9 = 6 × 4/9 = 24/9 = 8/3 ≈ 2.7

3 0
2 years ago
Please help
bezimeni [28]

Answer:

26-4s=9s

26-(4s-9s)=0

26+5s=0

5s=-26

ans: s= -26/5

-3r+10=15r-8

-3r-15r=-8-10

-18r=-18

18r=18

ans: r=1

-9(t-2)=4(t-15)

-9t+18=4t-60

-9t-4t=-60-18

-13t=-78

13t=78

ans: t=26

THERE U GO! :D

5 0
2 years ago
Read 2 more answers
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