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tino4ka555 [31]
3 years ago
13

HELP!!!!!!!!!!!!!!!!!!!!! What is the product of –3 and 5? -15 -8 8 15

Mathematics
2 answers:
nikitadnepr [17]3 years ago
7 0

-3 x 5

= -15

answer: -15

m_a_m_a [10]3 years ago
6 0

Answer:

-15

Step-by-step explanation:

Trust

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A large national park has an area of 91,417 acres. What is its area in hectares
aliya0001 [1]

Answer:

36995.1474

Step-by-step explanation:

multiply the area value by 2.471

3 0
2 years ago
What is the y intercept of 3x62-6x+21=0
TiliK225 [7]

Answer:

(0, 207)

Step-by-step explanation:

We calculate y-intercept by substituting 0 for x.

The equation becomes:

3*62-6*(0)+21=207

y intercept is (0, 207)

3 0
3 years ago
11. Write 850 as the product of its prime factors. A. 17 × 50 B. 5 × 10 × 17 C. 10 × 85 D. 2 × 5 × 5 × 17
RideAnS [48]
D. 2 x 5 x 5 x 17 

hope this helps
4 0
3 years ago
Suppose taxi fare from Logan Airport to downtown Boston is known to be normally distributed with a standard deviation of $2.50.
Mariulka [41]

Answer:

95% Confidence interval for taxi fare:  ($20.5,$24.2)

Step-by-step explanation:

We are given the following data set: for fares:

$22.10, $23.25, $21.35, $24.50, $21.90, $20.75, and $22.65

Formula:

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{156.5}{7} = 22.35

95% Confidence interval:

\bar{x} \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

22.35 \pm 1.96(\frac{2.5}{\sqrt{7}} ) = 22.35 \pm 1.85 = (20.5,24.2)

6 0
3 years ago
What is the third angle of a triangle if the other two are (3x-20)° and (4x+10)°​
Karolina [17]

Answer:

The other angle is 190-7x.

Step-by-step explanation:

Angles in a triangle add up to 180 degrees.

Let A be the third angle.

A + (3x-20) + (4x+10) = 180

A = 180 - (3x - 20) - (4x + 10) = 190 - 7x

8 0
3 years ago
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