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Vsevolod [243]
3 years ago
12

WORTH ton of points!!!

Mathematics
1 answer:
11111nata11111 [884]3 years ago
3 0
Do you have the triangle in which you can post so I can look at it? I learned this a few weeks ago and it's quite simple but I'm having trouble with the wording of the question. Thanks!!!
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Determine the volume in litres of 14kg of petrol of density 700kg/m³​
valkas [14]

Answer:

p =  \frac{m}{v}

Step-by-step explanation:

Density is the ratio of an object's mass to its volume, and it measures how compact an object is. The density of an object, p, is directly proportional to its mass, m, and inversely proportional to its volume, V:

p =  \frac{m}{v}

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Shondra was unsure about what career to go into. Her high school counselor suggested a personal assessment to point out Shondra’
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Damon borrowed money from his grandmother 3 years ago and agreed to pay her 4% simple annual interest. At the end of 3 years, he
sergeinik [125]

Answer:

200

Step-by-step explanation:

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6 0
3 years ago
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84 students are in the school choir. The ratio of girls to boys is 3:4. How many members are girls?
Paul [167]
3 + 4 = 7
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Hope this helps :)
7 0
3 years ago
Read 2 more answers
The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. Th
e-lub [12.9K]

Answer:

95% of monthly food expenditures are between $110 and $190.

Step-by-step explanation:

Given : The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. The sample mean is $150 and the standard deviation is $20.

To find : Using the Empirical rule, about 95% of the monthly food expenditures are between which of the following two amounts?

Solution :

At 95% of the data is between two standard deviation to left and right of the mean is given by,

To the left side, \bar{x}-2\sigma

To the right side, \bar{x}+2\sigma

We have given,

The sample mean \bar{x}=\$150

The standard deviation \sigma=\$20

Substitute in the formula,

\bar{x}-2\sigma

=150-2(20)

=150-40

=110

\bar{x}+2\sigma

=150+2(20)

=150+40

=190

Therefore, 95% of monthly food expenditures are between $110 and $190.

6 0
3 years ago
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