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Murljashka [212]
4 years ago
5

Do (12 + 6) ÷ 2 and 12 + 6 ÷ 2 have the same answer? explain why.

Mathematics
2 answers:
NeTakaya4 years ago
5 0
No they do not. the order of operations (GERMDAS) says that you divide and multiply before adding or subtracting. This means that without the parentheses, the answer is 15.
with the parentheses, because you solve what is in the parentheses first, the answer is 9.
Oxana [17]4 years ago
3 0
I believe so because if you were to work them out it would give you the same answer. the parentheses don't make the probably different since it doesn't have an exponent. so they are not needed
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Find the common ratio of the geometric sequence -20, 140, -980, ...
aksik [14]

Answer:

-7

Step-by-step explanation:

-20  × -7 = 140

140 × -7 = -980

3 0
3 years ago
Tinas rent will increase from $595 this year to $708 next year what is the percent change to the nearest percent
snow_lady [41]

Answer:

The answer rounded to the nearest percent is 19%.

Step-by-step explanation:

The formula for percent change is this:

((y2 - y1) / y1)*100

Let y1 be the first value (595) and let y2 be the second (708).

((702 - 595) / 595)*100

702 - 595 is 107 and 107/595 is approximately 0.188, multiplied by 100 is 18.8, which is rounded to 19%.

That is our solution.

<em>And that's an awfully small amount of rent to pay (at least in California).</em>

4 0
3 years ago
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5. Write 895,003,049 in expanded form.
aleksandr82 [10.1K]

Answer:

800,000,000 90,000,000 5,000,000 3,000 40 9

Step-by-step explanation:

8 0
4 years ago
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The area A(r)(in square meters) of a circular algae colony with radius r meters is given by A(r)=pir^2. Basically that's A(r)= p
Taya2010 [7]

Answer:

The expression provided by the area (square meters) is given by:  A(t) = pi \frac{100t^{2} }{9}.

Step-by-step explanation:

The area of the algae colony is a function of the radius r (meters), so A(r) = \pi r ^ 2.

The radius of the circle formed by the algae colony is a function of time t (in minutes), so M (t) = \frac{10t }{3}. So,

A(r) = \pi r ^ 2  [Substituting the expression for radius]

A(t) = pi (\frac{10t }{3})^{2} = pi \frac{100t^{2} }{9}

Then the expression provided by the area (square meters) is given by:  A(t) = pi \frac{100t^{2} }{9}.

7 0
3 years ago
There are 350 students at GMS. if 14 students were absent, what percent is THERE
artcher [175]
I hope this helps you



if in 350 students are 14 students were absent



in 100 students are ?



?.350=100.4


?=400/360


?=1.14%
4 0
3 years ago
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