MATHEMATICS HIGH SCHOOL

On Monday Bianca spent 4 8/9 hours studying. On Tuesday she spent another 3 5/6 hours studying. What is the combined length of time did she spend studying?

Answers

Answer 1
Answer: (4 8/9) + (3 5/6) = (4 16/18) + (3 15/18) = 8 13/18. Hope this helped, but I'm only in fifth grade. Sorry if I'm wrong!!!! ^^

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Ms. Wertz graded 20% of the tests for her class in 16 minutes. How many minutes will it take to grade all of the tests?
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A zoo has 9 lions. 6 are males. Find the ratio of female lions to male lions.

Answers

the ratio of female lions to male lions is 3:6
The ratio is 3:6! Hope this helps!

HELP PLZZZZ like asap

Answers

Answer:

The answer is B

Step-by-step explanation:

✌

Answer:

B

Step-by-step explanation:

You can substitute the variables for the values!

7x = 21

3y = -6

2x = 6

y = -2

21 - (-6)

----------

6 + (-2)

27

----

4

Solve the percent problem. 6. How much is 40% of $80 ?

Answers

Answer: $30

Step-by-step explanation:

Notice the wording. 40 percent of 80 dollars

of= multiply

1. Turn 40% to decimal.

40% = 0.40

2. Multiply

0.40(80)=  32

So your answer is 30 dollars.

Final answer:

To solve the percentage problem, you multiply $80 by 0.40 (which is the decimal equivalent of 40%). The result is $32.

Explanation:

The question is asking for the value of 40% of $80. To solve this percent problem, you will need to multiply the total amount ($80) by the percentage (40%). However, since the percentage is given as a whole number, you must first convert it to a decimal by dividing by 100. So, 40% becomes 0.40 as a decimal.

To find out what 40% of $80 is, you then multiply $80 by 0.40. Here's the math:

$80 x 0.40 = $32

So, 40% of $80 equals $32.

Learn more about Percentage Calculation here:

brainly.com/question/32197511

#SPJ11

Is it possible to write a sequence that is both arithmetic and geometric

Answers

It is not possible to write a sequence that is both arithmetic and geometric.
An arithmetic sequence is:
a0, a0 + d, a0 + 2d, a0 + 3d, ...

An geometric sequence is:
a0, a0r, a0r2, a0r3, ...

So if the two are equal, we have:
a0 = a0,
a0 + d = a0r,
a0 + 2d = a0r2,
a0 + 3d = a0r3,
...

This can only be true if d = 0 and r =1 and only for the first three terms. It's a trivial sequence with only three elements which can't be necessarily classified as a sequence.

A 12-sided polygon will contain ?? straight angles in the sum of its vertices. Pls help me

Answers

A rule to remember: 
The inside angles of a polygon with 'N' sides add up to (N - 2) straight angles.

12 sides ==> 10 straight angles = 1,800 degrees

Estimate then find the sum or difference 8.5+1.8

Answers

Estimating usually means rounding to the nearest whole number to make it so that you can do the math in your head.
So, 8.5 becomes 9, and 1.8 becomes 2.
The sum would then be 11
And the difference is 7
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