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ch4aika [34]
3 years ago
15

HELLLLPPPPPPP PLEASEEEEEE I WILL MARK YOU BRILLLLLLLLL

Mathematics
2 answers:
Annette [7]3 years ago
8 0

Answer:

Answer is 2a + 8 because 2 times a is 2a and 2 times 4 is 8

Juliette [100K]3 years ago
7 0

Answer:

Option D

2a + 8

Step-by-step explanation:

In distributive property,

x(a + b) = x × a + x + b

Hence,

2(a+4)

= 2 × a + 2 × 4

= <u>2a + 8 (Ans)</u>

You might be interested in
A manufacturing company measures the weight of boxes before shipping them to the customers. If the box weights have a population
NikAS [45]

Answer:

<u>The probability that the average weight of the boxes will exceed 94 pounds  is 43.25%</u>

Step-by-step explanation:

1. Let's review the information provided to answer the question correctly:

Mean of the population of box weights = 90 pounds

Standard deviation of the population of box weights = 24 pounds

Sample size = 36 boxes

2. What is the probability that the average weight of the boxes will exceed 94 lb?

For answering this question, we will use the z-scores table.

For using the correct z-score, we should use the correct standard deviation. In this case, we have that:

94 - 90 = 4 pounds above the mean.

4 pounds are 4/24 of the standard deviation,

therefore, simplifying:

4/24 = 1/6 = 0.1666......and we'll round to 0.17

z-score is 0.17 because 4 pounds is 1/6 of the standard deviation (24).

The probability of a z-score is 0.5675, but in this case we're asked by a weight over 94 pounds, not under 94 pounds, thus:

1 - 0.5675 = 0.4325

<u>The probability that the average weight of the boxes will exceed 94 pounds  is 43.25%</u>

8 0
2 years ago
Find the area of the shaded region. Round your answer to the nearest tenth.
Troyanec [42]

Area of the square = (9 m)^2 = 81 m^2

The four circular sectors combine to form a circle with diameter 9 m, hence radius 4.5 m.

Area of the circle = π (4.5 m)^2 = 20.25π m^2

Then the area of the shaded region is

81 m^2 - 20.25π m^2 ≈ 17.4 m^2

7 0
3 years ago
Here is a simple math question
serg [7]

Answer: range: 49-22=27

median: 40+41=81 81/2=40.5

mean: add up all the numbers=485 485/12=40.4

mode: 39, 40 and 46

4 0
3 years ago
Read 2 more answers
Q6: 24 students in a class took an algebra test.
german

Answer:

25%

Step-by-step explanation:

18/24 passed that reduces 3/4.

So 1/4 didn't pass

4 0
3 years ago
Can anyone help me do this ​
SVETLANKA909090 [29]

Answer:

b) 42,610

Step-by-step explanation:

46089 - 3479 = 42610

4 0
2 years ago
Read 2 more answers
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