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Andreyy89
3 years ago
15

Brooke has 15 mate problems 5 social studies problems and 9 science problems use mental math to determine How many problems she

has for homework tell wish property You used
Mathematics
2 answers:
Ket [755]3 years ago
8 0
In your head, you should be able to add 15 and 5.  The answer is 20.  You should also be able to work out 20 + 9.  The answer is 29.  The trick to doing well at these types of questions is finding the quickest and easiest method of working them out.  It will come with practice :)
Dovator [93]3 years ago
6 0
She has 3 problems. Mate (I think you mean Maths), Social Studies and Science. Unless you refer specifically to the number of problems in each of the three major problems, which would be 29. If this was a logic game question then it would be that she had no problems in homework because it's not specified that the problems in the three subjects were homework.
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WILL GIVE BRAINIEST As a fundraiser the school has a pie eating contest. Matt eats 2.75 pies in 300 seconds. If Matt eats at a c
romanna [79]

Answer:

0.01

Step-by-step explanation:

300 seconds = 2.75 pies

1 second = (1/300) × 2.75

= 0.009167

Approximately, 0.01 pie

5 0
2 years ago
The point (1/3,1/4) lies on the terminal said of an angle. Find the exact value of the six trig functions and explain which func
katrin2010 [14]

Answer:

sine and cosec are inverse of each other.

cosine and sec are inverse of each other.

tan and cot are inverse of each other.

Step-by-step explanation:

Given point on terminal side of an angle (\frac{1}{3},\frac{1}4).

Kindly refer to the attached image for the diagram of the given point.

Let it be point A(\frac{1}{3},\frac{1}4)

Let O be the origin i.e. (0,0)

Point B will be (\frac{1}{3},0)

Now, let us consider the right angled triangle \triangle OBA:

Sides:

Base, OB = \frac{1}{3}\\Perpendicular, AB = \frac{1}{4}

Using Pythagorean theorem:

\text{Hypotenuse}^{2} = \text{Base}^{2} + \text{Perpendicular}^{2}\\\Rightarrow OA^{2} = OB^{2} + AB^{2}\\\Rightarrow OA^{2} = \frac{1}{3}^{2} + \frac{1}{4}^{2}\\\Rightarrow OA = \sqrt{\frac{1}{3}^{2} + \frac{1}{4}^{2}}\\\Rightarrow OA = \sqrt{\frac{4^2+3^2}{3^{2}.4^2 }}\\\Rightarrow OA = \frac{5}{12}

sin \angle AOB = \dfrac{Perpendicular}{Hypotenuse}

\Rightarrow sin \angle AOB = \dfrac{\frac{1}{4}}{\frac{5}{12}}\\\Rightarrow sin \angle AOB = \dfrac{3}{5}

cos\angle AOB = \dfrac{Base}{Hypotenuse}

\Rightarrow cos \angle AOB = \dfrac{\frac{1}{3}}{\frac{5}{12}}\\\Rightarrow cos\angle AOB = \dfrac{4}{5}

tan\angle AOB = \dfrac{Perpendicular}{Base}

\Rightarrow tan\angle AOB = \dfrac{3}{4}

cosec \angle AOB = \dfrac{Hypotenuse}{Perpendicular}

\Rightarrow cosec\angle AOB = \dfrac{5}{3}

sec\angle AOB = \dfrac{Hypotenuse}{Base}

\Rightarrow sec\angle AOB = \dfrac{5}{4}

cot\angle AOB = \dfrac{Base}{Perpendicular}

\Rightarrow cot\angle AOB = \dfrac{4}{3}

3 0
3 years ago
The next model of a sport car will cost 3.6% more than the current model. The current model cost $42,000. How much will the pric
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Answer:

$43,512

Step-by-step explanation:

3.6% = 0.036

0.036 * 42,000 = 1,512

42,000 + 1,512 = 43,512

5 0
3 years ago
What term can be used to describe this graph? A. negative exponential growth B. negative linear growth C. positive linear growth
Vladimir79 [104]
D ~ Positive Exponetial growth. Hope it helped!!! <3 (^u^)
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3 years ago
Read 2 more answers
1. Maya is selling bracelets and necklaces she made to make money for summer vacation. The bracelets cost $4 and the necklaces c
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Answer:

1. B

2.D

Step-by-step explanation:

x = $80 profit made if sold all carrots.

y = $120 if all tomatoes are sold.

3 0
3 years ago
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