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Sloan [31]
3 years ago
6

Plsss helppp I’ll mark you brainliest!!!!!!!!

Mathematics
1 answer:
Ronch [10]3 years ago
7 0

Answer:

I think the answer is 26.5

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Please Help!! (15 pts)
hammer [34]
The answer is C) 58.5 sq. units

Just count the whole unit squares within the shape and estimate the partial ones and add them all together to get the estimated area of the irregular shape. There were 57 full squares and 3 halves for a total of 58.5 units.
8 0
3 years ago
Which of these numbers is GREATEST? A) 5.7 × 106 B) 5.7 × 107 C) 5.07 × 106 D) 5.07 × 107
Vaselesa [24]

Answer:

B) 5.7 × 107 = 609.9

Step-by-step explanation:

A) 604.2

B) 609.9

C) 537.42

D) 542.49

3 0
3 years ago
Rose and Jack plan to study together for the Math test. They decide to meet at the library between 8:00pm and 8:30pm. Assume tha
natulia [17]

Answer:

(a) 1/3

(b) 1/15

Step-by-step explanation:

(a)Let X denote the waiting time in minutes. It is given that X follows a uniform distribution, and since the variable being measured is time,  we assume it to be a continuous uniform distribution.

\[f_X(x) =\begin{cases} \frac{1}{30} & 0\leqx\leq 30\\ 0 & otherwise \end{cases}\]

Now

P(X>20) = \int_{20}^{30}f_X(x) = \frac{1}{30} \times 10 = \frac{1}{3}.

Jack or Rose arriving first is equally likely, therefore the probability of Jack waiting is just the half of the above obtained probability i.e \frac{1}{6}

(b)Using the formula for the expectation of a uniform continuous distribution,

E(X) = \frac{30+0}{2} = 15

6 0
3 years ago
How does a reflection across the y-axis change the coordinates of a shape?
Dmitriy789 [7]

Answer:

in (x,y), it becomes (-x,y)

Step-by-step explanation:

8 0
3 years ago
Identify each expression as linear or not linear.
Allushta [10]

5x + 3 is a linear equation in one variable

8 0
3 years ago
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