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Oksana_A [137]
3 years ago
13

Write the expression in its simplest form : -3 (7h+1)+6h

Mathematics
2 answers:
Ivenika [448]3 years ago
8 0

Answer:

-15h-3

Step-by-step explanation:

hope this answers an option yk

mario62 [17]3 years ago
6 0

Answer: =−15h−3

Step-by-step explanation: hope this help

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a jacket cost 4 times as much as a shirt. if the total cost of the jacket and shirt is $280, how much does the shirt cost ------
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The answer I got was A.)$56.

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Equation of a line that passes through (2,-3) with the slope of 1/2
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In point slope form:
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Lostsunrise [7]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
The cost of 4 pounds of bananas is $3.52. What is the constant of proportionality that relates the cost of dollars, y, to the nu
Marrrta [24]

Answer:

B. $0.88

Step-by-step explanation:

x = number of bananas

y = cost of bananas in dollars

Given that 4 bananas cost $3.52, the constant of proportionality that relates cost of bananas, y, to the number of pounds of bananas, x = y/x

y = 3.52

x = 4

Therefore:

Constant of proportionality = \frac{3.52}{4} = 0.88.

4 0
3 years ago
A jar contains 4 white and 4 black marbles. We randomly choose 4 marbles. If 2 of them are white and 2 are black, we stop. If no
Airida [17]

Answer:

<em>Find the probability of success in a single trial and then think about the nature of the problem (when do we stop).  </em>

Step-by-step explanation:

Observe that in the single trial, we have (8 4) possibilities of choosing our set of balls. If we have chosen two white balls and two black balls, the probability of doing that is simply  

p=(4 2)*(4 2)/(8 4)

This is well know Hyper geometric distribution. Now, define random variable X that marks the number of trials that have been needed to obtain the right combination (two white and two black balls). From the nature of the problem, observe that X has Geometric distribution with parameter p that has been calculated above. Hence  

P(X = n) = (1— p)^n-1 *( p )

<em>Find the probability of success in a single trial and then think about the nature of the problem (when do we stop).  </em>

3 0
3 years ago
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