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serious [3.7K]
3 years ago
10

What is this question 5(x-2)=2(x+1)

Mathematics
2 answers:
Katen [24]3 years ago
5 0
X=4
see photo; hope this helps

AnnyKZ [126]3 years ago
3 0

Answer:

this is too smart for mehrhdhd

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15. A cylindrical glass 10 cm tall and 8 cm in diameter is filled to 1 cm
ANTONII [103]

Answer:

No. The new height of the water is less than the height of the glass(6.33 cm<10 cm)

Step-by-step explanation:

-For the water in the glass to overflow, the volume of the inserted solid must be greater than the volume of the empty space or the ensuing height of  water >height of glass.

#Volume of the golf ball:

V=\frac{4}{3}\pi r^3\\\\=\frac{4}{3}\pi \times 4^3\\\\\approx 268.08\ cm^3

#The volume of the water in the glass:

V=\pi r^2 h\\\\=\pi \times 4^2\times 10\\\\\approx 50.27\ cm^2

We then equate the two volumes to the glass' volume to determine the new height of the water:

V=\pi r^2h\\\\(206.08+50.27)=\pi r^2 h\\\\h=318.35/(\pi \times 4^2)\\\\=6.33\ cm

Hence, the glass will not overflow since the new height of the water is less than the height of the glass(6.33 cm<10cm).

4 0
3 years ago
What is the measure of this angle?
meriva

Answer: D. 170

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help me with this
Triss [41]

Answer:<

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
If f(x) = 2x + 3 and g(x) = −x + 6, use the graph to find the solution to the equation f(x) = g(x).
Veseljchak [2.6K]

Answer:

c

Step-by-step explanation:

4 0
3 years ago
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Please answer below :-)
Serjik [45]

Answer:

B. 88.8

Step-by-step explanation:

let x represent class y

(x+71.2)/2=80   multiply each side by 2

x+71.2=160      subtract 71.2 by both sides

x=88.8

or

trial an error

replace x with each of the numbers and see if it plugs in.

example:

(80.5+71.2)/2=80

151.7/2=80

75.85=80?

false. incorrect

another example:

(88.8+71.2)/2=80

160/2=80

80=80?

true. correct

7 0
3 years ago
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