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3 years ago

-5/6 x=-3 will give Brainly

Mathematics

2 answers:

Gwar [14]3 years ago

7 0

Answer:

x = 18/5

Step-by-step explanation:

-5/6 x=-3

Multiply each side by -6/5

-6/5 *-5/6 x=-3*-6/5

x = 18/5

Andrew [12]3 years ago

7 0

x=18/5 hope this helped:)

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3 years ago

Laura’s brownie recipe makes 24 brownies , but this time she wants to double the recipe so that she will have 48 brownies. Her o

Elza [17]

Answer:

Laura will need 1/4 cups more chocolate

Step-by-step explanation:

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2 years ago

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Line AB has endpoints A(3,4) and B(-2,8). What is AB to the nearest tenth

Nadya [2.5K]

Answer:

6.4

Step-by-step explanation:

To find the distance you have to do this formula.

$\sqrt{(x2 -x1)^{2}+(y2-y1)^{2}} \\\sqrt{(-2 -3)^{2} + (8-4)^{2}\\} \\\sqrt{(-5)^{2} + (4)^{2}} \\\sqrt{25 + 16} \\\sqrt{41} \\ \\\sqrt{41} = 6.40312\\6.4$

6.4 is the answer rounded to the nearest tenth.

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2 years ago

If a car has tires with a diameter of 28 inches and is traveling at 55 mph, how fast are its tires spinning, in rpm^ prime s (re

Aleksandr-060686 [28]

Answer:

The tires are spinning at 660.49 revolutions per minute.

Step-by-step explanation:

The speed of the tires (v) is the same that the speed of the car, so to find the angular velocity of the tires we need to use the equation:

$\omega = \frac{v}{r}$

Where:

r: is the radius of the tires = d/2 = 28 inches/2 = 14 inches

$\omega = \frac{55 mph}{14 inches*\frac{1 mile}{63360 inches}} = 2.49 \cdot 10^{5} \frac{rad}{h}*\frac{1 h}{60 min}*\frac{1 rev}{2\pi rad} = 660.49 rpm$

Therefore, the tires are spinning at 660.49 revolutions per minute.

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3 years ago

Find the center and radius of (x + 8)2 + (y + 4)2 = 49.

Aleksandr-060686 [28]

Shouldnt it be -8,4;7

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3 years ago