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storchak [24]
3 years ago
13

How do I find the area of the non-shaded figure?!?

Mathematics
2 answers:
Rainbow [258]3 years ago
6 0

Answer:

Answer:

51 cm²

Step-by-step explanation:

Rectangle = 6x12=72

triangle = 1/2(7)(6)=21

Non-shaded=72-21=51 cm²

Usually, we would subtract the area of a smaller inner shape from the area of a larger outer shape in order to find the area of the shaded region

gtnhenbr [62]3 years ago
5 0

Answer:

51 cm²

Step-by-step explanation:

rectangle = 6x12=72

triangle = 1/2(7)(6)=21

Non-shaded=72-21=51 cm²

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X^2+(y-5)=25 find the center of the circle
mash [69]

{x}^{2}  + (y - 5) = 25 \\  {x }^{2}  + y = 25 + 5 \\  {x}^{2}  + y = 30  \\  {x}^{2}  + y =  \sqrt{30}  \\
centre: (0,0)
Radius: square root of 30
3 0
3 years ago
What is the volume of a hemisphere with a diameter of 8.9 cm, rounded to the nearest tenth of a cubic centimeter?
solniwko [45]

We're going through all the shapes.

A sphere has volume

V_{\textrm{sphere}}= \frac 4 3 \pi r^3

A hemisphere has half the volume and a radius is half a diameter.

V= \frac 1 2 (\frac 4 3) \pi (\frac d 2)^3 = \frac{1}{12} \pi d^3

V = \frac{\pi}{12} (8.9)^3 \approx 184.6 \textrm{ cc}

8 0
3 years ago
Huilan is 13 years younger than Thomas. The sum of their age is 41. What is Thomas's age?
stiv31 [10]

Answer:

27

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Step-by-step explanation:

Let's set Huilan's age to h and Thomas's age to t.

Since Huilan is 13 years younger than Thomas, we can write:

  • h = t - 13

The sum of both their ages is 41, so let's combine the variables h and t together.

  • h + t = 41

We said that h = t - 13, so substitute this value into the equation.

  • (t - 13) + t = 41

Combine like terms.

  • 2t - 13 = 41

Add 13 to both sides of the equation.

  • 2t = 54

Divide both sides of the equation by 2.

  • t = 27

Thomas's age is 27 years old.

Thank you L for helping me with this question :)

4 0
3 years ago
X &lt; -5. solve plssss no links​
kondor19780726 [428]

Answer: I don't know how to type the infinity symbol on my phone but..

(-infinity, -5)

Basically x can be anything less than -5.

4 0
3 years ago
How long would it take to travel 630 miles at the rate of 35 miles per hour?
blsea [12.9K]

Answer:

Using formula:

\text{Speed} = \frac{\text{Distance}}{\text{Time}}

or

\text{Time} = \frac{\text{Distance}}{\text{Speed}}

As per the given statement:

Distance = 630 miles

Speed = 35 miles per hour

then;

\text{Time} = \frac{630}{35}=18 hours

Therefore. 18 hours would it take to travel 630 miles at the rate of 35 miles per hour

8 0
3 years ago
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