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3 years ago

I need help with this

Mathematics

1 answer:

3241004551 [841]3 years ago

8 0

Answer:

anglePOL and angle MLO

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A shark swims 140 meters in 15.5 seconds what is the sharks average swimming rate in meters per second

tatuchka [14]

140/15.5 = unit rate
140/15.5 = around 9.03
Average swimming rate: 9.03 meters per second

5 0

3 years ago

I will give u 100 points and mark u as branniest if you can answer this question Solve for y. y + 19 = 25 –44 –6 6 44

IrinaK [193]

Answer:

X= 6

Step-by-step explanation:

Do the opposite instead of addition do subtraction to get x

25 minus 19

3 0

3 years ago

Is the term (X + 2) a factor of the polynomial shown below?

QveST [7]

The correct answer is: No, the remainder is -114

Further explanation:

In order to check whether the given term is a factor of given polynomial or not we will put

x+2=0

x=-2

Given

$f(x)=x^3 - 10x^2 + 27^x - 12\\f(-2)=(-2)^3-10(-2)^2+27(-2)- 12\\=-8-10(4)-54-12\\=-8-40-54-12\\=-114$

As the remainder is -114, the term x+2 is not a factor of given polynomial

The correct answer is: No, the remainder is -114

Keywords: Polynomials, expressions

Learn more about polynomials at:

#LearnwithBrainly

3 0

3 years ago

2. A pet food company wants to know the number of pets owned by adults ages 21 to 70. The frequency table shows the data from a

ludmilkaskok [199]

Answer:

3.6669

Step-by-step explanation:

Given is a frequency distribution and we are expected to find the mean of the distribution.

Let X be the no of total pets owned and f be the number of adults owning those pets.

Total

x 1 2 3 4 5 6 7

F 248 567 1402 728 419 456 203 4023

x*f 248 1134 4206 2912 2095 2736 1421 14752

Mean 3.666915237

Thus we find the total of all frequencies and then sum of product of x*f.

Mean = sum of f*x/sum of x

Here mean= 3.6669

7 0

3 years ago

The data in the tables below were collected from first year students at a community college. The variable is "number of credit c

Oliga [24]

Solution :

It is given that P(x) is said to be complete or proper probability distribution if it satisfies the following two ways :

1. $P(x) \geq 0$

2. $\sum_z P(x) = 1$

Now consider,

$\sum_z P(x) = 1$

⇒ $P(x=0)+P(x=1)+P(x=2)+P(x=3)+P(x=4)+P(x=5)=1$

⇒ $0.61+T+0.14+0.01+0.01+0.03=1$

⇒ $0.8+T=1$

⇒ $T=1-0.8$

= 0.2

Therefore, the value of T is 0.2

Thus, option (c) is correct.

7 0

2 years ago

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