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3 years ago

Which of the following is a solution to

Mathematics

1 answer:

qwelly [4]3 years ago

7 0

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$x < - 3 \: \: \: and \: \: \: x > 4$

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What is the answer to this problem

In-s [12.5K]

You can do the opposite, as in multiplying.
9.2× 5.3 = 48.76
48.76 = D

5 0

3 years ago

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If f(x)=5x-2 and g(x)=2x+1 , find (f-g)(x)

Vilka [71]

$f(x)=5x-2\\\\g(x)=2x+1\\\\(f-g)(x)=(5x-2)-(2x+1)=5x-2-2x-1=3x-3$

Answer: B. 3x - 3

8 0

3 years ago

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Find the central angle of a sector of a circle of the area of the sector and the area of the circle are in the proportion of 3:5

abruzzese [7]

Answer:

$\theta = 216$

Step-by-step explanation:

Given

Area of Sector : Area of Circle = 3 : 5

Required

Determine the central angle

The question implies that

$\frac{Area_{sector}}{Area_{circle}} = \frac{3}{5}$

Multiply both sides by 5

$5 * \frac{Area_{sector}}{Area_{circle}} = \frac{3}{5} * 5$

$5 * \frac{Area_{sector}}{Area_{circle}} = 3$

Multiply both sides by Area{circle}

$5 * \frac{Area_{sector}}{Area_{circle}} * Area_{circle} = 3 * Area_{circle}$

$5 * {Area_{sector} = 3 * Area_{circle}$

Substitute the areas of sector and circle with their respective formulas;

$Area_{sector} =\frac{\theta}{360} * \pi r^2$

$Area_{circle} = \pi r^2$

So, we have

$5 * \frac{\theta}{360} * \pi r^2 = 3 * \pi r^2$

Divide both sides by $\pi r^2$

$5 * \frac{\theta}{360} * \frac{ \pi r^2}{\pi r^2} = 3 * \frac{\pi r^2}{\pi r^2}$

$5 * \frac{\theta}{360} = 3$

Multiply both sides by 360

$360 * 5 * \frac{\theta}{360} = 3 * 360$

$5 * \theta = 3 * 360$

Divide both sides by 5

$\frac{5 * \theta}{5} = \frac{3 * 360}{5}$

$\theta = \frac{3 * 360}{5}$

$\theta = \frac{1080}{5}$

$\theta = 216$

Hence, the central angle is 216 degrees

3 0

3 years ago

Tommy is thinking about entering a contest at the local gas station. Some of Tommy’s

jeka94

Answer:

his chances are 27 out of 100 or 27/100

Step-by-step explanation:

7 0

3 years ago

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Ayuda porfa se ruego :b

tino4ka555 [31]

Answer:

b) 5u.

Step-by-step explanation:

El triangulo es 45-45-90, entonces los dos lados son iguales. Si un lado es 8u, el otro lado tambien es 8u.

Entonces, 8u + x = 13u.

x = 13u - 8u

x = 5u

Espero que esto te ayude!

8 0

3 years ago

Which of the following is a solution to ​

Which of the following is a solution to