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tia_tia [17]
3 years ago
9

Will mark branliest! Please can someone help and show working out!

Mathematics
2 answers:
nekit [7.7K]3 years ago
7 0

Answer:

a. 2

b. -1, -2

Step-by-step explanation:

This is because when x is 0, the parabola is at 2. When y us 0, the parabola is at -1 and -2.

JulsSmile [24]3 years ago
6 0
The answer is 2 I believe
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Hi, can you help me answer this question, please, thank you!
frutty [35]

Given:

mean, u = 0

standard deviation σ = 1

Let's determine the following:

(a) Probability of an outcome that is more than -1.26.

Here, we are to find: P(x > -1.26).

Apply the formula:

z=\frac{x^{\prime}-u}{\sigma}

Thus, we have:

\begin{gathered} P(x>-1.26)=\frac{-1.26-0}{1} \\  \\ P(x>-1.26)=\frac{-1.26}{1}=-1.26 \end{gathered}

Using the standard normal table, we have:

NORMSDIST(-1.26) = 0.1038

Therefore, the probability of an outcome that is more than -1.26 is 0.1038

(b) Probability of an outcome that

4 0
1 year ago
In 1999, there were 9860 Great Danes registered with the American Kennel Club. The number of registered Labrador Retrievers was
jekas [21]

Answer:

153,997 Labrador Retrievers

Step-by-step explanation:

Let's make an equation for this problem. We know that there were 9,860 Great Danes. The number of Labrador Retrievers was 6,997 more than 15 times the number of registered Great Danes. More than can be changed to a plus sign. 15 times the number of Great Danes is 15 times 9,860. The equation is now 15*9,860 + 6,997.

15*9,860 is 147,900

147,900 + 6,997 is 153,997.

7 0
3 years ago
Read 2 more answers
Please help i need now
Sunny_sXe [5.5K]

Answer:

8x10^-12

Step-by-step explanation:

Hope that helps.

7 0
2 years ago
Read 2 more answers
Sam reads 30 pages of a book in 40 minutes. Which statement identifies a person with the same reading rate as Sam?
zavuch27 [327]

Answer:

Choice 3

Step-by-step explanation:

The reading rate of Sam is 0.75 pages/minute.

i.e 30 pages/40 minutes

The reading rate of Bill is 0.5 pages/minute

The reading rate of Francine is 0.72 pages/minute

The reading rate of Leroy is 0.75 pages/minute which is the same as Sam's.

7 0
3 years ago
An international data plan charges $10.00
Elza [17]

Answer:

y = 2.50x + 10

Step-by-step explanation:

7 0
3 years ago
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