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pochemuha
3 years ago
9

Which of the following situations are equal to 30%? Select all that apply A) 27 out of 90 B) 12 out of 36 C) 50 out of 80 D) 9 o

ut of 30 E) 6 out of 24​
Mathematics
1 answer:
siniylev [52]3 years ago
3 0

Answer:

27 out of 90; 9 out of 30

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A reporter announces that there is an 80% chance of a thunderstorm tomorrow, and if the thunderstorm materializes, there is a 14
Vinil7 [7]

Answer & Step-by-step explanation:

We will only get a tornado if there is already a thunderstorm materializing

0.80 * 0.14 = 0.112

Probability of a tornado = 11.2%

There is a 100 - 14 = 86% chance of a tornado not being produced.

0.80 * 0.86 = 0.688

Probability of a storm and no tornado = 68.8%

8 0
3 years ago
Ingrid deposit $10,000 in an IRA what will be the value of her investment six years if the investment earning 3.2% per year and
enyata [817]

Answer:

  • $12116.71

Step-by-step explanation:

Given

  • Deposit = $10000
  • Interest rate = 3.2% PA
  • Interest type = compound
  • Frequency = continuous
  • Time = 6 years

Calculation

  • Total = 10000*e^(rt) = 10000*e^(0.032*6) = $12116.71
7 0
3 years ago
Rose watches a circular ornament that has 6 equally spaced stones. identify x
Feliz [49]

Answer:

x = 60°

Step-by-step explanation:

It is given that the stones are equally spaced. As the circle is divided into 6 parts by 6 split points and there are 360∘ in the circle, each part equals 360∘/6 = 60∘. So,

mAB◠ = 60∘

mBC◠ = 3 (60∘)  = 180∘

If a tangent and a secant intersect in the exterior of a circle, then the measure of the angle formed is half the difference of the measures of its intercepted arcs.

x = 1/2 (mBC◠ − mAB◠)

Substitute the known values into the formula.

x = 1/2 (180∘ − 60∘)

= 1/2 (120∘)

= 60∘

Therefore, x = 60∘.

8 0
3 years ago
Lines m and n are parallel lines cut by a transversal l.
lord [1]
The second option. Angles 2 and 6 are corresponding angles, and 6 and 7 make a linear pair, so 2 and 7 are supplementary.

The first option doesn’t even mention angle 7, the third option doesn’t mention angle 2, and the last option doesn’t mention 7 either.
4 0
3 years ago
Pls list out the steps
Daniel [21]
First, the bigger square's area is 20*20= 400 cm^2

second, the circle's area is ¶r^2 = ¶(20/2)^2 = ¶(10)^2 = 100¶ cm^2

third, smaller square-- if we imagine it as 4 parts as 4 right triangles-- 1 part will be 1/2*(20/2)(20/2) = 1/2 (10)(10) = 50 cm^2 then the area of the smaller square is 4*50 = 200 cm^2

so the shaded parts = circle - smaller square =100¶ - 200 cm^2

the answer is 2

5 0
3 years ago
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