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nydimaria [60]
3 years ago
12

What is the slope-intercept form of the equation of a line with a slope of 2 and a y-intercept of -7?

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
6 0
I am not really sure sorry
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7. Consider the purchase of two cereal boxes.
AveGali [126]

Answer:

a) 0.25

b) 0.25

c) 0.0625

Step-by-step explanation:

The complete question is:

Do you remember when breakfast cereal companies placed prizes in boxes of cereal? Possibly you recall that when a certain prize or toy was particularly special to children, it increased their interest in trying to get that toy. How many boxes of cereal would a customer have to buy to get that toy? Companies used this strategy to sell their cereal.

One of these companies put one of the following toys in its cereal boxes: a block (B), a toy watch (W), a toy ring (R), and a toy airplane (A). A machine that placed the toy in the box was programmed to select a toy by drawing a random number of 1 to 4. If a 1 was selected, the block (or B) was placed in the box; if a 2 was selected, a watch (or W) was placed in the box; if a 3 was selected, a ring (or R) was placed in the box; and if a 4 was selected, an airplane (or A) was placed in the box. When this promotion was launched, young children were especially interested in getting the toy airplane.

What is the probability of getting an airplane in the first cereal box?

Since the machine randomly selects toys, each toy has the same probability of being obtained in a cereal box.

Then, the total outcomes are 4 and the probability of getting an airplane in the first cereal box is 0.25 (25%).

What is the probability of getting an airplane in the second cereal box?

Two independent events do not change the probability of occurrence of one event or another.

The probability of getting an airplane in the second cereal box is 0.25 (25%).

What is the probability of getting airplanes in both cereal boxes?

P(1°∩2°)= P(1°) × P(2°) = \frac{1}{4} \times \frac{1}{4} =\frac{1}{16}

P(1°∩2°)= 0.0625 = 6.25%

4 0
3 years ago
What is the scientific notation of 74000
KATRIN_1 [288]

Answer:

7.4 x 10^4...............................                              

6 0
3 years ago
4 sin ^ 2 x- 4 sin x + 1 = 0
m_a_m_a [10]
4\sin^2x-4\sin x+1=(2\sin x-1)^2=0\implies \sin x=\dfrac12

This happens for x=\dfrac\pi6+2n\pi and x=\dfrac{5\pi}6+2n\pi where n is any integer.
8 0
3 years ago
Solve the equation <br> pleasse someone please help will give brainliest pleeeasse ​
NISA [10]

Answer:

45 it is 45 45 um yea I ben did thiss

7 0
2 years ago
Firewood is often sold by the cord. A cord of wood is a bundle measuring 4 feet by 4 feet by 8 feet. What's the volume of a cord
NARA [144]
To find the volume of the following Firewood, we would do this:

4 * 4 * 8 = 128 cubic feet

Therefore, the volume of the firewood is 128 cubic feet.
Make sure to mark as brainiest. 
3 0
3 years ago
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