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Y_Kistochka [10]
3 years ago
15

Just a question from a written Unit Test.

Mathematics
1 answer:
Rama09 [41]3 years ago
5 0

Answer:

ok

Step-by-step explanation:

mark me brilliant

plzzz

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Hay sorry I forgot the picture last time but can some one help
FrozenT [24]

Answer:

Marina's design uses more cardboard.

in Kristen's design, it uses:

3*4/2*2+10*5+3*10+4*10=132 sq inches.

in Marina's design, it uses:

6*3*2+3*7*2+7*6*2=162 sq inches.

132<162

Therefore Marina's design uses more cardboard.

The difference between 2 designs are:

162-132

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3 years ago
An elevator descends 1,000 feet in 8 seconds what is the change in height per second
Svetlanka [38]
You multiple 1000 by 8 and have tour answer which is 8000 per second
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The decimal -2.97 is the solution to which subtraction problem?
Nat2105 [25]
Answer:
-6.1 - (-3.13) = -2.97

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3 years ago
Read 2 more answers
The line parellel to 2x+y=5 and passing through (5,4) has equation
mrs_skeptik [129]

Answer:

y=-2x+14

Step-by-step explanation:

If we are looking for a line parallel to 2x+y=5.

Then we are looking for an equation with the same slope as the equation 2x+y=5.

To obtain the slope of equaiton 2x+y=5 I will put it in slope-intercept form.

Luckily there is only one step which is to subtract 2x on both sides.

y=-2x+5

The slope of this line is -2

The slope of parallel line will also be -2.

So we know our equation is in the form y=-2x+b

To find b we will just use the point (x,y)=(5,4) we know is on the line.

Plug in and solve for b.

4=-2(5)+b

4=-10+b

14=b

So the equation that is parallel to 2x+y=5 and goes through (5,4) is y=-2x+14

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3 years ago
Determine if graph is a function ​
Zepler [3.9K]
No it is not a function.
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3 years ago
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