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anyanavicka [17]
2 years ago
7

Select all of the linear functions.

Mathematics
2 answers:
ch4aika [34]2 years ago
6 0

Answer:

y=9x+4

Step-by-step explanation:

Burka [1]2 years ago
3 0

Answer:

y=9x+4

y=9x+4

Step-by-step explanation:

they are in y=mx+b form

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Alex tried to find the lateral area of the pyramid. FIND HIS ERROR AND CORRECT IT.
sweet-ann [11.9K]

Answer:

His error is multiplying by 4 sides as he thought it was total surface not lateral surface area- the final answer is 12

Step-by-step explanation:

He should have multiplied it by 3, because the 3 sides- not including the base- is what lateral surface area is. He originally did total surface area not lateral surface area so each sides area is 4m squared then you just multiply it by 3 and its 12

5 0
3 years ago
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What is the range of y = log Subscript 8 Baseline x? all real numbers less than 0 all real numbers greater than 0 all real numbe
Doss [256]

Answer:

All real numbers

Step-by-step explanation:

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In simplest form it is 25 over 9
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Given an equilateral triangle that has an area of 1959 cm2. What is the length of its sides?
Nina [5.8K]
Equilateral
equi means equal
lateral means sides

all sides are equal
triangle has 3 sides

perimiter=side1+side2+side3
side1=side2=side3


area=1/2 times base times height
base=side
draw a line down the middle of te tiangle so you get 2 right triangles side by side
1/2base is one leg
base is hypotonuse
height is unknown
equilateral means that it is a 30-60-90 triangle with  hypotonuse equal to 2x, height=x√3, bottom is x
1/2 times base times height=1959
1/2 times x times x√3=1959
multiply both sides by 2
(x^2)√3=3918
divide both sides by √3
x^2=3918/√3
square root both sides
x=47.5611
side=hypotonuse=2x
2x=2*47.5611
side=95.12222


legnth of each side is 2\sqrt{ \frac{3918}{ \sqrt{3} } }cm or about 95.12222 cm
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If y equals -3x what does x equal?
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Do you have a picture of the question??
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2 years ago
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