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FromTheMoon [43]
2 years ago
11

The new number, 200, is 400 less then the original number. What us the approximate percent change?

Mathematics
2 answers:
prohojiy [21]2 years ago
8 0
The correct answer is 66%
brilliants [131]2 years ago
3 0

Answer:

the answer is c

Step-by-step explanation:

because 200+400

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The measures of the angles of a triangle are in the extended ratio of 3:7:10. What is the measure of the LARGEST angle?
Shkiper50 [21]

9514 1404 393

Answer:

  90°

Step-by-step explanation:

The ratio of the largest angle to the total is ...

  10/(3+7+10) = 10/20 = 1/2

The largest angle is half the total of all angles:

  1/2×180° = 90° . . . . measure of the largest angle

7 0
2 years ago
What is container B that is full after the pumping is complete ?
scoray [572]

<em>Answer</em>

68.4%

<em>Step-by-step explanation</em>

The volume of a cylinder is calculated as follows:

V=\pi r^2h

where <em>r </em>is the radius and <em>h </em>is the height of the cylinder.

In the case of cylinder A, its radius is r = 5 ft (= 10/2) and its height is h = 14 ft. Then, its volume is:

\begin{gathered} V_A=\pi\cdot5^2\cdot14 \\ V_A=350\pi\text{ ft}^3 \end{gathered}

In the case of cylinder B, its radius is r = 8 ft (= 16/2) and its height is h = 8 ft. Then, its volume is:

\begin{gathered} V_B=\pi\cdot8^2\cdot8 \\ V_B=512\pi\text{ ft}^3 \end{gathered}

After the pumping is completed all the liquid in cylinder A, which was full, is placed in cylinder B. If the volume of cylinder B represents 100%, then we need to find what percent, <em>x</em>, represents the volume of cylinder A. We can do this with the help of the next proportion:

\frac{512\pi\text{ ft}^3}{350\pi\text{ ft}^3}=\frac{100\text{ \%}}{x\text{ \%}}

Solving for x:

\begin{gathered} 512\pi\cdot x=100\cdot350\pi \\ x=\frac{100\cdot350\pi}{512\pi} \\ x\approx68.4\text{ \%} \end{gathered}

6 0
1 year ago
I givee brainlilstttt
Alinara [238K]

Answer:

2,1

Step-by-step explanation:

brainliest pls (only if correct)

4 0
2 years ago
Read 2 more answers
What are properties of the four types of rigid motion?
Lorico [155]

Answer:

translation , rotation, reflection, and glide

Step-by-step explanation:

3 0
3 years ago
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(06.01)<br> Solve x + 3y = 9<br> 3x − 3y = −13
Irina-Kira [14]

Answer:

Slove For X

x= -1

Solve for Y

Y= 10/3

Step-by-step explanation:

SO I did Elimination method

To isolate X and to solve for it

x+3y=9

3x−3y=−13

Add these equations to eliminate y:

4x=−4

Solve for X

x=-1

Now plug x back in to solve for y

4 0
3 years ago
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