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Strike441 [17]
3 years ago
6

Can someone solve this?​

Mathematics
1 answer:
VLD [36.1K]3 years ago
6 0

Step-by-step explanation:

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Diego's mother is twice as old as he is she is also as old as the sum of the ages of diego and both of his younger twin brothers
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2d = d + 11 + 11 = d + 22
d = 22
Diego is 22 years old.
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Take 4a-3b+2c from 2a-3b+4c
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2a-6b+6c

Step-by-step explanation:

Combine like terms

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Determine the number of significant digits in each measurement.
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4 significant figures. All figures are significant because the zeros are in between two significant digits
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Well can someone help get the answer in at least 4 minutes tops
Alex

Answer: 14 is the answer, C.

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3 years ago
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Hhhheeeeellllllpppp no 13 and 14​
laila [671]

Answer:

13. B. 24 cm²

14. y = 5⅝ (none of the options is correct)

Step-by-step explanation:

13. The figure is a trapezoid

Area of the trapezoid = ½(a + b)h

Where,

a = 3 cm

b = 5 cm

h = 6 cm

Area = ½(3 + 5)6

= ½(8)6

= 4*6

= 24 cm²

14. Area of the triangle = ½*b*h

The area is given to be 45 cm²

base (b) = 16 cm

height (h) = y

Plug in the values and solve for y

45 = ½*16*y

45 = 8y

Divide both sides by 8

45/8 = 8y/8

45/8 = y

5⅝ = y

y = 5⅝ (none of the options is correct)

5 0
3 years ago
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