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Zarrin [17]
3 years ago
8

arnita swims in a pool that is 50 meters long. everyday arnita swims 10 lengths of the the pool. After 5 days, how many kilomete

rs has arnita swum?
Mathematics
1 answer:
Oliga [24]3 years ago
4 0

Answer:

After 5 days Arnita has swum 2.5 kilometers.

Step-by-step explanation:

50 x 10 = 500 lengths of the pool per day

500 x 5 = 2,500 meters

2,500 meters = 2.5 kilometers

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Choose the best description for the real number 35
Natalija [7]

Answer:

A) Irrational, because it is not a terminating or repeating decimal.

Step-by-step explanation:

Every time a square root results in a decimal, it will always never end, and never repeat. The square root of 35 qualifies for both of these qualities, therefore, making the answer (A). Hope this helps!

5 0
3 years ago
A right △ABC is inscribed in circle k(O, r). Find the radius of this circle if:
natta225 [31]

We have been given that a right △ABC is inscribed in circle k(O, r).

m∠C = 90°, AC = 18 cm, m∠B = 30°. We are asked to find the radius of the circle.

First of all, we will draw a diagram that represent the given scenario.

We can see from the attached file that AB is diameter of circle O and it a hypotenuse of triangle ABC.

We will use sine to find side AB.

\text{sin}=\frac{\text{Opposite}}{\text{Hypotenuse}}

\text{sin}(30^{\circ})=\frac{AC}{AB}

\text{sin}(30^{\circ})=\frac{18}{AB}

AB=\frac{18}{\text{sin}(30^{\circ})}

AB=\frac{18}{0.5}

AB=36

Wee know that radius is half the diameter, so radius of given circle would be half of the 36 that is \frac{36}{2}=18.

Therefore, the radius of given circle would be 18 cm.

8 0
4 years ago
A recipe calls for 1 part beans to 1-1/2 parts rice. If 1-1/2 parts of beans are used how much rice should be used
Maurinko [17]
I think the answer is 2 parts rice. If you added half to the beans, do it to the rice too.
5 0
3 years ago
Read 2 more answers
23 POINTS HERE PEOPLE
SOVA2 [1]

Hello!  

<h2>Answer: </h2>

23. 138 people voted for Nyemi, 69 people voted for Luke, and 23 people voted for Natalie.

24. Reina did not ride 11/16 of the rides.

<h2>Explanation:</h2>

23:

3 ÷ 5 = 0.6

230 × 0.6 = 138

230 × 0.3 = 69

230 × 0.1 = 23

24:

We know that Alberto rode 5/8 of the rides at the park, and Reina rode half of this.

5/8 × 1/2 = 5/16

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8 0
3 years ago
Read 2 more answers
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Bumek [7]

Answer:

a. Discrete

b. Discrete

c. Not a random variable

d. Continuous

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f. Continuous

Step-by-step explanation:

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b. The number of text book authors are also countable so it is a discrete random variable.

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5 0
3 years ago
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