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tresset_1 [31]
3 years ago
6

Sum of finite geometric series three triangles

Mathematics
1 answer:
Fantom [35]3 years ago
4 0

Answer:

????????

Step-by-step explanation:

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What is the total area of the shape?<br><br> A 35 cm?<br> B 100 cm?<br> C 70 cm?<br> D 50 cm?
Vesnalui [34]

Answer:

C. 70 cm

Step-by-step explanation:

Split all the shapes, so, the square would be:

4 × 10 = 40

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Each triangle has an area of 7.5:

7.5 × 4 = 30

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30 + 40 = 70

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Have a good day :)

4 0
3 years ago
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A bike wheel with a diameter of 14 inches makes 100 rotations. How far does the bike go?
mars1129 [50]
1,400 inches or 116.7 feet
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3 years ago
Sarah mowed 3 lawns in 9 hours what is her rate of mowing in hours per lawn?
pochemuha

Answer:

Sarah mowed 1 lawn in 3 hours

Step-by-step explanation:

3 lawns divided by 3 is 1 lawn

9 hours divided by 3 is 3 hours

7 0
2 years ago
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Please help, thank you
madam [21]

Answer:

\displaystyle x=\frac{-8\pm\sqrt{(8)^2-4(4)(-221)}}{2(4)}\ \text{; x = 6.5 and x = -8.5}

Step-by-step explanation:

Subtract the right side of the given equation to put it into standard form:

  4x² +8x -221 = 0

Then the coefficients used in the quadratic formula are ...

  • a = 4
  • b = 8
  • c = -221

When these are filled into the form ...

\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

the result is as shown above.

7 0
3 years ago
Please help it’s urgent
xenn [34]

Answer:

6 m

Step-by-step explanation:

27m^3 /8m^3= 20 m / X

8m^3 × 20 m = 27m^3 × X

160 /27 = X

X = 5.9

= 6

8 0
2 years ago
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