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posledela
3 years ago
5

CS:20

Mathematics
1 answer:
Maurinko [17]3 years ago
5 0
The answer is d because I just took the test and that’s what it said was right
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Math help please FAST
Tasya [4]

Answer:

180

60

40

Step-by-step explanation:

Angles in a triangle add up to equal 90 degrees

Equilateral - has all congruent angles and congruent sides

If a triangle has 3 angles and the angles add up to equal 180 then the measure of one angle in an equilateral = 180 / 3 = 60

Bisect means to split into to equal parts

So if you bisect an 80 degree angles you will have two 40 degree angles. ( Because 80/2 = 40 )

3 0
3 years ago
Read 2 more answers
Rolff recently completed a book of 20 deduction puzzles. the scatterplot below shows the time it took rolff to solve a puzzle ve
vlada-n [284]
I have the scatterplot in front of me, and what the question is asking is what is the probability of the dot chosen being in any of the three categories. They only leave out three dots, so the probability is 17/20 or 85%.
6 0
3 years ago
Simplify:<br>(2 + i) - (-3+9i)​
Goryan [66]

Answer:

-8i + 5

Step-by-step explanation:

Open the parentheses: 2 + i + 3 - 9i

Simplify:

-8i + 5

6 0
3 years ago
Neha used 4 bananas and 5 oranges in her fruit salad. Daniel used 7 bananas and 9 oranges. Did Neha and Daniel use the same rati
allochka39001 [22]

Answer:

<em>Neha and Daniel do not use the same ratio of bananas to oranges</em>

<em>Neha used the grater ratio of bananas to oranges</em>

Step-by-step explanation:

<u>Ratios</u>

The ratio is expressed as a:b, where a and b are whole numbers.

Neha used 4 bananas and 5 oranges in her fruit salad. Daniel used 7 bananas and 9 oranges in his.

We use cross multiplication to find if the ratios of bananas to oranges are the same.

Neha s ratio is 4:5

Daniel s ratio is 7:9

To compare both ratios we use the expression:

\displaystyle \frac{4}{5} =?\frac{7}{9}

The question mark means equality could be true or false.

The cross multiplication consists of multiplying the denominator of one side by the numerator of the other side:

4*9 =? 5*7

Operating:

36 =? 35

The equality is false, thus

Neha and Daniel do not use the same ratio of bananas to oranges

Since the left side of the equality is greater than the second:

Neha used the grater ratio of bananas to oranges

5 0
3 years ago
Plzz answer me question 4. plzzz help me asap!​
Pavlova-9 [17]

Answer:

  1. 2pb(NO3)2 +2pbO+4NO2 (g)+ O2
5 0
4 years ago
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