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3 years ago

Can someone help me please! I need to know if it’s A or B and what goes in the box if it’s A

Mathematics

1 answer:

Vlad [161]3 years ago

4 0

Answer:

Step-by-step explanation:

It is A. If you look at the box, you can see that for every +2 x moves, f(x) -7. So the equation would be f(x)= -(7/2)x+2

Answer:

f(x)= -(7/2)x+2

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The second question with the blank please

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a is the length of the corresponding altitude

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In the figure above, one side has been chosen as the base and its corresponding altitude is shown.

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Ribbon sells for $3.75 per yard. Find the cost, in dollars, for 48 inches of ribbon.

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Answer:

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Step-by-step explanation:

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3 years ago

Lines a and b are parallel. The slope of line b is * What is the slope of line a?

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Answer:

The slope of line a is * also.

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2 years ago

Each of the triangular faces has an area of 32 m2

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3 years ago

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Mary and Mike went to the store to buy colored pencils for their science class.mike bought a 12-pack for 1.69,and Mary bought a

sweet-ann [11.9K]

12-pack for 1.69 is a better buy

Solution:

Given that, Mike bought a 12-pack for 1.69 and Mary bought a 24-pack for 3.18

We have to find which is the better buy

First we have to find the unit rate

Unit rate is cost of 1 pack

Mike bought a 12-pack for 1.69

Therefore,

Cost of 12 pack = 1.69

Cost of 1 pack is found by dividing 1.69 by 12

$cost\ of\ 1\ pack = \frac{1.69}{12} = 0.14083$

Thus unit rate of Mike is 0.14083 dollar per pack

Mary bought a 24-pack for 3.18

Cost of 24 pack = 3.18

Cost of 1 pack is found by dividing 3.18 by 24

$cost\ of\ 1\ pack = \frac{3.18}{24} = 0.1325$

Thus unit rate of Mary is 0.1325 dollars

On comparing both the unit rate

$0.14083>0.1325$

Thus unit rate of Mike is larger

Thus, 12-pack for 1.69 is a better buy

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3 years ago