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2 years ago

Which equations are related equations to x + 8 = 22? Select each correct answer. x = 22 + 8 x + 22 = 8 8=22−x x=22−8

Mathematics

2 answers:

Sindrei [870]2 years ago

8 0

Answer:

x = 22-8 option(D)

Step-by-step explanation:

The given equation is x+8=22

x+8=22

We can solve the above equation by hit and trail or by using transformation

put different values of x, we get x= 14

By transformation method,

+8 will go to right hand side and converted into -8

x=22-8

x=14

Hence, option (D), x=22-8 is correct.

vivado [14]2 years ago

7 0

I'm not entirely sure but I believe it would be 8=22-x because x=16 so 8 does equal 22-16

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Help me please!!!!! I need help with angles

Salsk061 [2.6K]

Answer:

<CFE = 28

<RPQ = 53

Step-by-step explanation:

<CFE + 152 = 180

<CFE = 180 - 152

<CFE = 28

Complementary means the angles add up to 90 so:

<RPQ + 37 = 90

<RPQ = 90 - 37

<RPQ = 53

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1 year ago

The figure is made up of a cylinder and a sphere which has been cut in half. The radius of each half sphere is 5 mm. What is

alexgriva [62]

<h2>Answer:</h2>

<em>Rounded to the nearest hundredth the volume of the composite figure is:</em>

<em>1308 33 cubic millimeters</em>

<h2>Explanation:</h2>

Hello! I wrote the complete question in a comment above. The volume of a cylinder is defined as:

$V_{c}=\pi r^2 h \\ \\ r:radius \\ \\ h:height$

While the volume of half a sphere is:

$V_{hs}=\frac{2}{3}\pi r^3$

Since we have 2 half spheres, then the volume of these is the same as the volume of a sphere:

$V_{s}=\frac{4}{3}\pi r^3$

Then, the composite figure is:

$V=\pi r^2 h +\frac{4}{3}\pi r^3 \\ \\ V=\pi r^2(h+\frac{4}{3}r)$

The radius of the cylinder is the same of the radius of each half sphere. So:

$r=5mm \\ \\ h=10mm \\ \\ \\ V=(3.14) (5)^2((10)+\frac{4}{3}(5)) \\ \\ V=25(3.14)(10+\frac{20}{3}) \\ \\ \boxed{V\approx 1308.33mm^3}$

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2 years ago

ASAP HELP PLEASE! WILL GIVE BRAINLIEST

Mila [183]

Answer:

Least Value = 2
Median = 6
Greatest Value = 10
Third Quartile = 8
Range = 8 (10 - 2 = 8)
First Quartile = 5

Step-by-step explanation:

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2 years ago

Use the discriminant, b2 - 4ac, to determine which equation has complex solutions.

ruslelena [56]

Using the discriminant, the quadratic equation that has complex solutions is given by:

x² + 2x + 5 = 0.

<h3>What is the discriminant of a quadratic equation and how does it influence the solutions?</h3>

A quadratic equation is modeled by:

y = ax² + bx + c

The discriminant is:

$\Delta = b^2 - 4ac$

The solutions are as follows:

If $\mathbf{\Delta > 0}$ , it has 2 real solutions.

If $\mathbf{\Delta = 0}$ , it has 1 real solutions.

If $\mathbf{\Delta < 0}$ , it has 2 complex solutions.

In this problem, we want a negative discriminant, hence the equation is:

x² + 2x + 5 = 0.

As the coefficients are a = 1, b = 2, c = 5, hence:

$\Delta = 2^2 - 4(1)(5) = 4 - 20 = -16$

More can be learned about the discriminant of quadratic functions at brainly.com/question/19776811

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10 months ago