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yan [13]
2 years ago
3

I need help with math homework

Mathematics
1 answer:
padilas [110]2 years ago
8 0

1) slope: 2

Y-intercept: -1

Equation: y=2x-1

2) slope: -3

Y-intercept: 2

Equation: y= -3x+2

3) slope: 2/3

Y-intercept: -1

Equation: y=(2/3)x -1

4) slope: -3/2

Y-intercept: 1

Equation: y=(-3/2)x +1

5) slope: 1/3

Y-intercept: 2

Equation: y=(1/3)x+2

6) slope: -1/2

Y-intercept: -1

Equation: y=(-1/2)x -1

Hopefully all of them are correct :)

(If you don't mind... can I get brainliest)

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Suppose Celine wants to choose a box that maximizes the amount of cereal it can hold. Volume of Box 1: 3x5 Volume of Box 2: 4x5
finlep [7]

The <em><u>correct answer</u></em> is:

Box 2

Explanation:

In these expressions, x represents the width of the box.  We are asked about widths greater than 1; let's us 1.1 as an example:

Box 1:

3(1.1⁵) = 4.83153

Box 2:

4(1.1⁵)-(1.1⁴) = 6.44204 - 1.4641 = 4.97794

With a difference as small as a tenth, the volume of box 2 is larger.  The larger the difference in width, the larger the difference in volume, and the volume of box 2 will be larger every time.

3 0
2 years ago
Read 2 more answers
A factory received a shipment of 38 sprockets, and the vendor who sold the items knows there are 5 sprockets in the shipment tha
weeeeeb [17]

Answer:

a) 0.00019923%

b) 47.28%

Step-by-step explanation:

a) To find the probability of all sockets in the sample being defective, we can do the following:

The first socket will be in a group where 5 of the 38 sockets are defective, so the probability is 5/38

The second socket will be in a group where 4 of the 37 sockets are defective, as the first one picked is already defective, so the probability is 4/37

Expanding this, we have that the probability of having all 5 sockets defective is: (5/38)*(4/37)*(3/36)*(2/35)*(1/34) = 0.0000019923 = 0.00019923%

b) Following the same logic of (a), the first socket have a chance of 33/38 of not being defective, as we will pick it from a group where 33 of the 38 sockets are not defective. The second socket will have a chance of 32/37, and so on.

The probability will be (33/38)*(32/37)*(31/36)*(30/35)*(29/34) = 0.4728 = 47.28%

5 0
2 years ago
What is the product of a+3 and −2a2+15a+6b2?
rewona [7]

For this case we must find the product of the following expression:

(a + 3) (- 2a ^ 2 + 15a + 6b ^ 2)

We apply distributive property term to term:

(a + 3) (- 2a ^ 2 + 15a + 6b ^ 2) =\\-2a ^ 2 * a + 15a * a + 6b ^ 2 * a-6a ^ 2 + 45a + 18b ^ 2 =\\-2a ^ 3 + 15a ^ 2 + 6ab ^ 2-6a ^ 2 + 45a + 18b ^ 2=

We add similar terms:

-2a ^ 3 + (15-6) a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2 =\\-2a ^ 3 + 9a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2 =

Finally, the expression is as:

-2a ^ 3 + 9a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2

Answeer:

-2a ^ 3 + 9a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2

5 0
2 years ago
If the number of concerts held in a city is correlated to the number of local radio channels, what third variable might most lik
Alekssandra [29.7K]
Are there choices for this question? If not ,then the possible third variable that might most likely be responsible for the correlation between the number of concerts held in a city and number of local radio channels would be the number of radio channel listeners (since concerts and radio channels both are related to music).
6 0
2 years ago
HELP ASAP 40 POINTS REAL ANSWER
Jet001 [13]

Answer:

a)                      

b) number of flowers.  

c) 2830              

Step-by-step explanation:

We are given the following in the question:

The number of flowers bloomed is given by the function:

 

where s is the s is the number of seeds she planted.

The number of seeds planted per week is given by

where w represents the number of weeks.

a)  composite function that represents how many flowers Lily can expect to bloom over a certain number of weeks.

The composite function can be written as:

where f(w) gives the number of flowers that bloomed in w weeks.

b)  units of measurement for the composite function

The composite functions gives the number of flower that will bloom in w weeks. Thus, the unit of measurement is number of flowers.

c) Number of flowers in 35 weeks.

We put w = 35 in the composite function.

2830 flowers will bloom in 35 weeks.

Thanks

Step-by-step explanation:

8 0
2 years ago
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