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Svetach [21]
2 years ago
14

Please help I don't understand i'm in the lowest class.

Mathematics
2 answers:
Afina-wow [57]2 years ago
6 0

Answer:

Step-by-step explanation:

Elena L [17]2 years ago
4 0
The answer is
11
13
15
17
23
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How many squares would you shade if you have 75%?
chubhunter [2.5K]

Answer:

As many shades 75% will allow. 3/4 6/8, etc

Step-by-step explanation:

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2 years ago
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Show whether or not y=x+3 is tangential to the curve y^2=x​
wolverine [178]

The line y = x + 3 has slope 1, so we look for points on the curve where the tangent line, whose slope is dy/dx, is equal to 1.

y² = x

Take the derivative of both sides with respect to x, assuming y = y(x) :

2y dy/dx = 1

dy/dx = 1/(2y)

Solve for y when dy/dx = 1 :

1 = 1/(2y)

2y = 1

y = 1/2

When y = 1/2, we have x = y² = (1/2)² = 1/4. However, for the given line, when y = 1/2, we have x = y - 3 = 1/2 - 3 = -5/2.

This means the line y = x + 3 is not a tangent to the curve y² = x. In fact, the line never even touches y² = x :

x = y²   ⇒   y = y² + 3   ⇒   y² - y + 3 = 0

has no real solution for y.

3 0
2 years ago
A store that sells shoes buys them from a manufacturer at a wholesale price of $57. The store's markup rate is 50%. What price d
kogti [31]
The answer is $85.50

57 x 50% or 57 x .5 = 28.50

Add $28.50 to $57 and you get $85.50
4 0
3 years ago
If the mesure of angle
NISA [10]

Answer:

where is the figure to denote angles??

5 0
2 years ago
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3a2+4b for a=2 and b=3
Kobotan [32]
First you’ll multiply to get 3x2x2 + 4x3. Then add them together. 12+12=24
4 0
3 years ago
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