3 years ago

What is a good algebra calculator that is free to use

Mathematics

2 answers:

GarryVolchara [31]3 years ago

8 0

I always use Algebra Mathaway or Math Papa

mixas84 [53]3 years ago

8 0

Try cymath//// it answers your questions for you and shows you the steps

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Help show work A 85.7% B 21.1% C64.6% D 35.4%

maksim [4K]

Answer:

Step-by-step explanation:

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2 years ago

Suppose that an urn contains 3 black marbles, 7 yellow marbles, and 10 green marbles. If one marble is selected, determine the p

Yuliya22 [10]

Answer:

1/2

Step-by-step explanation:

Simple probability is a ratio of the number of ways the thing we want to happen can to the total possible outcomes.

(For example, we flip a coin and want heads, but it can land on heads or tails. Our probability of getting heads is 1/2, one way to get heads over the 2 possible outcomes)

So for this problem, there's 20 possible things that CAN happen (3 + 7 + 10) and 10 ways we get what we want (a green marble).

Our probability of getting a green marble is $\frac{10}{20\\}$ , which simplifies to $\frac{1}{2}$

3 0

3 years ago

Help? I really need it

Lorico [155]

Answer:

34 degrees and 131 degrees

Step-by-step explanation:

Complementary angles always add up to 90 degrees

90 - 56 = 34 degrees (1)

180 - 49 = 131 degrees (2)

5 0

2 years ago

Read 2 more answers

5. Solve v = w - 20 for w.

slava [35]

v = w - 20

move -20 to the other side

sign changes from -20 to +20

to get w by itself

v+20= w-20+20

Answer:

w= v+20 or w= 20+v

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3 years ago

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How much more money will i need to get to 50 if i have 20

vaieri [72.5K]

Answer:

2 plus 3 equals 5 and add the zeros and you have 50

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3 years ago