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Mrac [35]
3 years ago
9

Read the numbers and decide what the next number should be. 20 30 40 50 60 70

Mathematics
2 answers:
Lerok [7]3 years ago
6 0
They are asking for pattern recognition of a sequence of numbers. If you follow the pattern the next logical number will be 80
goldenfox [79]3 years ago
4 0
80 Because the numbers are going up by 10

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Help needed please and thank you!
Lelechka [254]
To solve this problem, we use the formula given, which states that SA=6s^2, where SA is the surface area and s is the edge length of the cube.

We were given that the edge length of the cube is 3 1/2 feet, and that we are trying to find the surface area of the cube, so let’s plug these values into our formula.

SA=6(3 1/2)^2
To make this easier to simplify, we are going to replace 3 1/2 with its equal improper fraction, 7/2.
SA=6(7/2)^2
Now, following the order of operations, we are going to simplify what is inside the parenthesis by squaring it.
SA=6(49/4)
Now, we are going to multiply our last two terms together, to get:
SA= 294/4
This number simplifies to 147/2 when we divide both the numerator and denominator by their greatest common factor of 2.
However, the problem asks for your answer as a mixed number in simplest form, which we get when we divide out this improper fraction.
Your final answer is 73 1/2 ft^2.

I hope this helps!
8 0
3 years ago
A groundhog sitting on its hind legs is 18 inches high and casts a shadow 3 feet, 9 inches long. If a nearby tree casts a shadow
SIZIF [17.4K]
Let the height of the tree be x, then
18 inches / 3 feet 9 inches = x / 21 feet 3 inches
18 inches / 45 inches = x / 255 inches
45x = 18 x 255 = 4590
x = 4590 / 45 = 102

Therefore, the tree is 102 inches = 8 feet, 6 inches tall
5 0
3 years ago
Which expression is equivalent to<br> 128x8,329 ? Assume y20 and 720
kaheart [24]

Answer:767600640

Step-by-step explanation: If 720 equals x, you multiply 128 by 720, and multiply the answer by 8,329.

8 0
3 years ago
What is the percent of change if 30 is decreased to 25?
Luden [163]

Answer:

16.67%

Step-by-step explanation:

initial rate=30

final rate =25

decreased rate = 30 - 25= 5

Now,

Decreased % = (5 / 30) * 100%

= 16.67%

3 0
2 years ago
Read 2 more answers
Explain why Ms. Green earns $980 per week for 40 hours of work. How much does she wean per hour? ( please answer)
Alborosie

Answer:

$24.5

Step-by-step explanation:

980 in 40 hours

980/40= 24.5

3 0
3 years ago
Read 2 more answers
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