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Dahasolnce [82]
3 years ago
9

the mearsure of a triangle are in the ratio 2:3:4 in degrees what is the largest angle in the triangle​

Mathematics
1 answer:
SOVA2 [1]3 years ago
5 0

Answer:

80

Step-by-step explanation:

Since the three angles of a triangle add to give 180°

The the size of the largest angle 4 = 180° ×

                                                      =  180° ×

∴ the size of the largest angle = 80°

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If the base of a parallelogram is 35m and the area is 425m2,what is the hight of the parallelogram
Zarrin [17]

let, the height be h

area of the parallelogram= base x height

425 = 35 x h

425/35 = h

12.14m = h

6 0
4 years ago
Joanne has a cell phone plan that charges a flat rate of $97 and $0.10 for every text she sends. Her goal is to spend less than
NNADVOKAT [17]
C is rhe answer.
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7 0
3 years ago
the height of a triangle is 7cm longer than its base. The area of the triangle is 60cm^2 What is the base of the triangle.
OlgaM077 [116]
Triangle area = (1/2) base * height
60 = 3.5 * base
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8 0
3 years ago
This is a graph of the function g(x) =-3x+2. Determine the domain value when th
lord [1]

Range = -4= g(x)

Therefore, g(x) = -3x+2

or, -4=3x +2

or, 3x= -4-2

or, 3x= -6

or, x= -6/3 = -2

OPTION A is the correct answer.

4 0
3 years ago
a media statistics agency reports that the mean number of televisions in a household in a particular country is 2.24. assume tha
KatRina [158]

The probability of a random sample of 40 households having a sample means a number of at least 2.55 televisions per household is 0.48173.

Given: Mean(μ) = 2.24, Standard deviation(σ) = 1.38, Sample size(n) = 1.28 and a random variable for X = 2.55

What is a probability distribution?

A probability distribution is a kind of function for a discrete variable X, whose distribution over a certain interval is discrete or it shows the density of a random variable X that occurs over a given interval in the given distribution.

What is the z-score?

The z-score or the z-value shows the number of standard deviations unit away lies the given random variable from the mean.

Or it shows how dense is the value for a random variable near or away from the mean.

The formula to calculate the z-score from the mean. The standard deviation is:

z = (X - μ) / ( σ / √(n)) where,

z = z-score,

X = random variable,

μ = mean,

σ = standard deviation, and

n = sample size

Let's solve the given question:

We have,

Mean(μ) = 2.24,

Standard deviation(σ) = 1.38,

Sample size(n) = 1.28, and

a random variable for X = 2.55

As it is given sample means at least 2.55 so we have to find the Z(x ≥ 2.55).

Therefore, Z(x ≥ 2.55) = (2.55 - μ) / ( σ / √(n))

Substituting all values we get:

Z(x ≥ 2.55) = (2.55 - 2.24) / ( 1.38 / √(40))

Z(x ≥ 2.55) = 0.01 / 0.21819

Z(x ≥ 2.55) = 0.48173

Hence the probability of a random sample of 40 households having a sample means a number of at least 2.55 televisions per household is 0.48173.

Know more about “probability distribution” here: brainly.com/question/11234923

#SPJ4

Disclaimer: The given question is incomplete. The complete question is mentioned below:

a media statistics agency reports that the mean number of televisions in a household in a particular country is 2.24 with a standard deviation of 1.38 what is the probability of a random sample of 40 households having a sample means a number of at least 2.55 televisions per household?

7 0
2 years ago
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