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worty [1.4K]
3 years ago
5

Work out 25% of 30 meters?

Mathematics
2 answers:
GaryK [48]3 years ago
8 0
25% of something is 1/4, 1/4 of 30 is 7.5, since half of  30 is 15 and half of 15 is 7.5, 25% of 30 meters is 7.5 meters
Furkat [3]3 years ago
7 0
25\100 x 30=7.5
answer=7.5
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Venn diagram ( attached image )
alexandr402 [8]

Assessing the given Venn diagram and the data related to it, we can answer the required question:

Q1. How many people were surveyed = 86.

Q2. What is the probability that a customer chosen at random:

a) takes salt P(S) = 46/85.

b) takes both salt and vinegar P(S ∩ V) = 13/85.

c) takes salt or vinegar or both P(S ∪ V) = 66/85.

The number of people who take salt chips n(S) = 46.

The number of people who take vinegar chips n(V) = 33.

The number of people who takes both n(S ∩ V) = 13.

The number of people who take neither n((S ∪ V)') = 19.

Therefore, the total number of people surveyed n(U) = n(S) + n(V) - n(S ∩ V) + n((S ∪ V)') = 46 + 33 - 13 + 19 = 85.

The number of people who takes salt or vinegar or both n(S ∪ V) = n(U) - n((S ∪ V)') = 85 - 19 = 66.

The probability that a customer chosen at random takes salt P(S) = n(S)/n(U) = 46/85.

The probability that a customer chosen at random takes both salt and vinegar P(S ∩ V) = n(S ∩ V)/n(U) = 13/85.

The probability that a customer chosen at random takes salt or vinegar or both P(S ∪ V) = n(S ∪ V)/n(U) = 66/85.

Learn more about Venn Diagrams at

brainly.com/question/24713052

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7 0
2 years ago
Calculate the area of quadrilateral ABCD.<br> State the units of your answer.
cluponka [151]

Answer:

158.76 cm²

Step-by-step explanation:

Quadrilateral ABCD is composed of 2 right triangles

Construct the line BD, then

Δ ABD and Δ BCD are the 2 right triangles.

The area (A) of a triangle is calculated using

A = \frac{1}{2} bh ( b is the base and h the perpendicular height )

Δ ABD with b = 18 and h = 7.5

A = \frac{1}{2} × 18 × 7.5 = 9 × 7.5 = 67.5 cm²

Δ BCD with b = 15.6 and h = 11.7

A = \frac{1}{2} × 15.6 × 11.7 = 7.8 × 11.7 = 91.26 cm²

Thus

area of ABCD = 67.5 + 91.26 = 158.76 cm²

3 0
3 years ago
Ln bisects klm into two congruent angles measuring (3x-4) and (4x-27) Find klm
blsea [12.9K]
The answer would be 135 (B)
4 0
3 years ago
-2x - 6xy - 3y +7x.....need help bc tomorrow have a test.​
murzikaleks [220]

Step-by-step explanation:

-2x - 6xy - 3y + 7x      <em>combine like terms</em>

= (-2x + 7x) - 6xy - 3y

= 5x - 6xy - 3y

4 0
2 years ago
Read 2 more answers
Bingo uses the numbers 1-75. If you randomly select a number, what is the probability it will not be a multiple of ten? Explain
ValentinkaMS [17]

Multiples of ten are: 10, 20, 30, 40, 50, 60, & 70.

So there are (7 options that ARE multiplies of ten) out of (75 total options)

Thus, there are (75 - 7 options that are NOT multiples of ten) out of (75 total options).

Answer: \frac{68}{75}


7 0
3 years ago
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