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Dmitry [639]
3 years ago
11

Help me please!!!!!!!!!!!!

Mathematics
1 answer:
asambeis [7]3 years ago
6 0
Angle 4 is 144
180- angle 3 (36degrees) = 144 degrees
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PLZ HURRY IT'S URGENT!!!!
DerKrebs [107]

The answer is C. 3.14 x 10-2.

6 0
3 years ago
The final grade in an algebra course is based on a weighted average - homework counts 10%, quizzes count 15%, tests count 50%, a
tresset_1 [31]

Answer:  74

<u>Step-by-step explanation:</u>

Homework +    Quiz    +   Test    + Final Exam = 70

  67(10%)    + 62(15%)  + 71(50%) +    x(25%)    = 70

   6.7           +    9.3      +   35.5    +      0.25x     = 70

                                                      51.5 + 0.25x = 70

                                                                 0.25x = 18.5

                                                                        x = 74

The minimum score is 74.

8 0
3 years ago
Read 2 more answers
A storekeeper increased the price of hats by 5%. Write an equation to calculate the increase of the total cost, c, when the pric
Naddik [55]

Answer:

c = 1.05p

Step-by-step explanation:

the price of the hat before the increase was 100%, after the increase it becomes 100 + 5% = 105%. Representing it as a decimal becomes 1.05p

Let illustrate with an example.

The price of a hat was $100, after the 5% increase. the cost of the hat becomes

100 + (0.05 x 100) = 105

To find the percentage increase

divide 105 by 100 and subtract 1

(105/100) - 1 = 1.05

3 0
3 years ago
Hiroshi is looking to update his hat selection, and has $300 to spend. If his preferred style of hat costs $50.30 including tax,
malfutka [58]

Answer:

he can buy 5!

Step-by-step explanation:

50.30 * 5 = 251.5

if you add another hat it will be more than $300

8 0
3 years ago
Read 2 more answers
URGENT this is a question on my precalculus test I need help on. Thank you so much
sp2606 [1]

Answer:

a. 5i + 13j

b. 8i

c. 10i + 6j

Step-by-step explanation:

a. 2i + 6j + 3i + 7j = 5i + 13j

b. 3i + 7j + 5i - 7j = 8i

c. 2i + 6j + 3i + 7j + 5i - 7j = 10i + 6j

5 0
3 years ago
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