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2 years ago

If the scale factor for the dilation shown is 3 which is the length of B’ C’

Mathematics

2 answers:

lana66690 [7]2 years ago

5 0

Answer:

15 its 15 dont listen to the guy who said a

Step-by-step explanation:

photoshop1234 [79]2 years ago

3 0

Answer: A 5/3

Step by step explanation:
If the dilation is 3 then simply divide the number (5) by 3 and you’ll get your answer

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Solve for r. 35r-21<-35r+19

Mnenie [13.5K]

Good morning ☕️

Answer:

$r < \frac{4}{7}$

Step-by-step explanation:

35r-21 < -35r+19

⇌ 35r + 35r < 19 + 21

⇌ 70r < 40

⇌ r < 40/70

⇌ r < 4/7

_________________________

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3 years ago

2.5y － 2 = 50 Porfisss

Oliga [24]

Answer:

thou answer is gonna be 20.8

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2 years ago

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An item on sale costs 85% of the original price. The original price was $55.

son4ous [18]

Answer:

$46.75

Step-by-step explanation:

The amount the sale item costs now is 0.85($55) = $46.75.

That 85% is equivalent to 0.85.

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3 years ago

Which are the solutions to the quadratic equation x^2=9x+6

AlekseyPX

I will use a quadratic formula:

$x^2=9x+6\ \ \ \ |-9x-6\\\\x^2-9x-6=0\\\\a=1;\ b=-9;\ c=-6\\\\b^2-4ac=(-9)^2-4\cdot1\cdot(-6)=81+24=105\\\\\sqrt{b^2-4ac}=\sqrt{105}\\\\x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\x_1=\dfrac{-(-9)-\sqrt{105}}{2\cdot1}=\dfrac{9-\sqrt{105}}{2}\\\\x_2=\dfrac{-(-9)+\sqrt{105}}{2\cdot1}=\dfrac{9+\sqrt{105}}{2}$

5 0

3 years ago

Which equation represents the line through (0,0) and (3, 4)?

Andreas93 [3]

Answer:

4-0

3-0

=4/3

y-0 =4/3

x-0

3y-0=4x-0

3y=4x

y=4/3x

Step-by-step explanation:

7 0

2 years ago