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e-lub [12.9K]
3 years ago
8

How do you know the correct order in which to evaluate algebraic expressions?

Mathematics
1 answer:
GenaCL600 [577]3 years ago
6 0
You should use PEMDAS. I
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Find the probability. Round your answer to the nearest hundredth, if needed.
padilas [110]

Answer:

0.2

Step-by-step explanation:

Given:

Total number of students = 20

Number of students who have brown hair = 12

Number of students who have blonde hair = 4

Number of students who have red hair = 3

Number of students who have black hair = 1

To find:

Probability of randomly selecting a blonde-haired student from the classroom.

Solution:

Probability refers to chances of occurring of some event.

Probability = Number of favourable outcomes/ Total number of outcomes

Number of favourable outcomes ( Number of students who have blonde hair ) = 4

Total number of outcomes = 20

So,

Probability of randomly selecting a blonde haired student from the classroom = \frac{4}{20}=\frac{1}{5}=0.2

5 0
3 years ago
Leo needs 1010 red roses and 1515 pink daisies for every 55 bouquets he makes for a flower shop. Drag red roses and pink daisies
user100 [1]
[(1515+1010) / 55] x 33 = 1515

If you calculate separately for pink and red using above formula (909pink, 606red, which equals to the same 1515)

Hope that answers it for you..
8 0
3 years ago
Please find me the value of x​
erastova [34]

Answer:

x = 60°

Step-by-step explanation:

See picture below.  When two parallel lines are cut by a transversal there are some special relationships.

4 0
2 years ago
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Competition is most intense between closely related species that __________. have different beak sizes use different resources u
kupik [55]
Competition is most intense between closely related species that use the same resources, as both species are competing for these limited resources.
3 0
3 years ago
What is percent change from $18 to 28$? Round to nearest tenth place​
zavuch27 [327]

Answer:

35.2%

Step-by-step explanation:

3 0
3 years ago
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