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arsen [322]
3 years ago
10

Someone please help me with this question!

Mathematics
1 answer:
Shtirlitz [24]3 years ago
6 0
I'm assuming you're looking for the measure of angle y.  Rule is that angle y will be equal to 1/2 of its intercepted arc.  That arc measures 360-160-60 which is 140.  Half of 140 is 70.  So the first choice above is the one you want. 
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B) Amount<br>Rs 5760, Interest<br>Rs 1526​
Crazy boy [7]

Given :

Amount, A = 5760 Rs.

Interest in the amount, I = 1526 Rs.

To Find :

We need to find the % rate of interest.

Solution :

Let, us assume it is simple interest.

So,

Interest = \dfrac{price \times  rate \times  time}{100}\\\\1526 = \dfrac{5760 \times r \times m}{100}\\\\r = \dfrac{152600}{5760m}\\\\r = \dfrac{26.5}{m}

Hence, this is the required solution.

6 0
3 years ago
A randomly generated password contains four characters. Each of the four characters is either a lowercase letter or a digit from
juin [17]
Sample space is 36C4
Now, we want to know all of the combinations that have 1 digit in it.
So, we can have one here:

1XXX
X1XX
XX1X
XXX1

But we have 10 different digits to choose from. So, we need to introduce the combination term, nCr, where n is a list of all digits and r is how many we want.

Since we only want one, we will need 10C1 for the number of digits. But we need to choose three lowercases, so it becomes 10C1 × 26C3

Since it's a probability question, we need to divide that by our sample space, 36C4, and our percentage becomes 44%
6 0
3 years ago
Read 2 more answers
The table shows the weekly change in the water level in a swimming pool. After 4 weeks, the pool owner adds water to return the
GarryVolchara [31]
So we just need to raise the pool back to original level
in total, the pool drained a total of 1 and 3/8 inches
so we need to find out how long it would take to raise the pool by 1 and 3/8 inches

1 inch=320 gallons
1 and 3/8=320 times 1 and 3/8=320 and 960/8=440
he needs to put in 440 gallons
it is 5.75 gallons per minute
find out how many minutes it will take
440=5.75 times x minutes
divide both sides by 5.75
76.521=xminutes
round
77 minutes

1 hour=60 minutes
77>60
it will take more than 1 hour to make the pool back to original level
6 0
3 years ago
What might you conclude if a random sample of 23 time intervals between eruptions has a mean longer than 108 ​minutes? Select al
Dahasolnce [82]

Answer:

What I would conclude when a random sample of 23 time intervals between eruptions has a larger mean longer than 108 minutes is that there must be an error that occurred somewhere while computing the result.

Step-by-step explanation:

Technically error can be explained as the estimated difference between the real value or calculated value and an observed value of a certain quantity.

basically we have three types of error which are;

1. systematic errors.

2.random errors.

3.Bluders.

7 0
2 years ago
ABCD is a quadrilateral. ∥ , AB = BC = CD, AC = AD. Find m∠ADC
ArbitrLikvidat [17]

BD bisects both the angles ABC and ADE

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

IN ΔABD and ΔCBD ,

AD = CD [ given ]

BD = BD [ Common ]

AB = BC [ given ]

ΔABD ≅ ΔCBD [ SSS ]

∠ABD = ∠1

∠CBD = ∠2

∠1 =∠2 [ CPCT ] ( by using congruence theorem)

Also ,

∠3 = ∠4 [ CPCT ]

Hence, BD bisects both the angles ABC and ADE

4 0
2 years ago
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