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Anna007 [38]
2 years ago
13

Help need help with this

Mathematics
1 answer:
vaieri [72.5K]2 years ago
6 0
Maybe use a math app
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Ericka decided to compare her observation to the average annual trend, which shows the water rising 1.8 mm/year. Remember, she u
olga nikolaevna [1]

Answer:

Sample response:

Step-by-step explanation:

She would multiply the rate by the years to find the average rise in water levels, or 1.8 times 6.2 = 11.16. To find the difference between the water levels, she would subtract -13.64 from 11.16.

7 0
2 years ago
Please help!
crimeas [40]

Answer:

The zeros are:

x =4, x=2, x = 5

  • The function has three distinct real zeros.

Hence, option (B) is true.

Step-by-step explanation:

Given the expression

h\left(x\right)=\left(x-4\right)^2\left(x^2-7x+\:10\right)

Let us determine the zeros of the function by putting h(x) = 0 and solving the expression

0=\left(x-4\right)^2\left(x^2-7x+10\right)

switch sides

\left(x-4\right)^2\left(x^2-7x+10\right)=0

as

x^2-7x+\:10=\left(x-2\right)\left(x-5\right)

so

\left(x-4\right)^2\left(x-2\right)\left(x-5\right)=0

Using the zero factor principle

  • \mathrm{If}\:ab=0\:\mathrm{then}\:a=0\:\mathrm{or}\:b=0\:\left(\mathrm{or\:both}\:a=0\:\mathrm{and}\:b=0\right)

so

x-4=0\quad \mathrm{or}\quad \:x-2=0\quad \mathrm{or}\quad \:x-5=0

x =4, x=2, x = 5

Thus, the zeros are:

x =4, x=2, x = 5

It is clear that there are three zeros and all the zeros are distinct real numbers.

Therefore,

  • The function has three distinct real zeros.

Hence, option (B) is true.

4 0
2 years ago
Which of the following numbers can be expressed as a decimal that<br> terminates 9/7 5/3 3/2 6/4
podryga [215]

Answer:

Last 2 terminate

Step-by-step explanation:

9/7 does not terminate: 1.285724285724285724...

5/3 does not terminate: 1.66666666666666666...

3/2 does terminate: 1.5

6/4 same thing as 3/2 = 1.5

C and D terminate.

8 0
2 years ago
Y is inversely proportional to x given that y=-50 when x=3 find y when x=10
sammy [17]

Answer:advadfvzcs

bv

Step-by-step explanccccdcsdadrfaration:

X12

4 0
2 years ago
You and your guest have eaten in a restaurant which had excellent service. Your bill comes to $23.00. If you leave exactly a 15%
dem82 [27]

Answer:

23*0.15=$3.45

Step-by-step explanation:

23*0.15=$3.45

3 0
2 years ago
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