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Serjik [45]
4 years ago
15

How are percents and ratios different

Mathematics
1 answer:
Lyrx [107]4 years ago
6 0
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-1/2 x+1 = -x+8<br><br> choices:<br> 7<br> 1/2<br> 14<br> 18
kondaur [170]

Answer:

14

Step-by-step explanation:

<u><em>can you please mark this brainliest if it helped? <3 </em></u>

7 0
3 years ago
Read 2 more answers
The following shape is only based on squares, semicircles and quarter circles. Find the Area and Perimeter of the shaded part. A
charle [14.2K]

The perimeter of the shaded region is 8π cm and the area of the shaded region is 32(π - 2) cm² or 36.53 square cm.

<h3>What is a circle?</h3>

It is described as a set of points, where each point is at the same distance from a fixed point (called the center of a circle)

We have shown a square in which a one-fourth circle is shown and making an ellipse.

The perimeter of the circle = 2πr = 2π(8) = 16π cm

The perimeter of the one-fourth is circle = (16π)/4 = 4π cm

The perimeter of 2 one-fourth circle = 2(4π) = 8π cm

The area of the one-fourth circle = (1/4)πr² = (1/4)π(8)² = 16π square cm

The area of the right-angle triangle = (1/2)(8)(8) = 32 square cm

The area of the shaded region = 2(16π - 32) = 36.53 square cm

or

= 32(π - 2)cm²

Thus, the perimeter of the shaded region is 8π cm and the area of the shaded region is 32(π - 2) cm² or 36.53 square cm.

Learn more about circle here:

brainly.com/question/11833983

#SPJ1

6 0
2 years ago
Express in terms of logarithm without exponents
sdas [7]
\bf log_{{  a}}(xy)\implies log_{{  a}}(x)+log_{{  a}}(y)&#10;\\ \quad \\&#10;% Logarithm of rationals&#10;\\ \quad \\&#10;% Logarithm of exponentials&#10;log_{{  a}}\left( x^{{  b}} \right)\implies {{  b}}\cdot  log_{{  a}}(x)\\\\&#10;-----------------------------\\\\&#10;log_b(xy^2z^{-6}\implies log_b(x)+log_b(y^2)+log_b(z^{-6})&#10;\\\\\\log_b(x)+2log_b(y)-6log_b(z)

now, the one below that, which is equivalent to that? well, just look above it
6 0
3 years ago
If f(x) = x^2 – 3x, what is f(5)?<br> a. 4<br> b. 8<br> c. 10<br> d. 16
kakasveta [241]

Answer:

10

Step-by-step explanation:

substitute the value

multiply

subtract

6 0
3 years ago
Find anequation for the perpendicular bisector of the line segment whose endpoints are(3, -1) and (-9,5).
Mariulka [41]

The perpendicular bisector goes through the midpoint.

What is the midpoint of the 2 points?

We simply add up the x points and divide by 2. Then we add up the y points and divide by 2.

So,

Midpoint is:

(\frac{3-9}{2},\frac{-1+5}{2})=(-3,2)

Also, the perpendicular bisector's slope is the negative reciprocal of the line's slope.

The slope of the line is change in y points divided by change in x points.

Slope =

\frac{5--1}{-9-3}=\frac{5+1}{-12}=\frac{6}{-12}=-\frac{1}{2}

The slope (m) of the perpendicular line (negative reciprocal) is basically:

2

Equation of line is:

y-y_1=m(x-x_1)

m is the slope (what we got "2")

x1 and y1 are the respective point where it passes through (which is the midpoint, which is (-3,2)

So, equation of perpendicular bisector is:

\begin{gathered} y-y_1=m(x-x_1) \\ y-2=2(x+3) \\ y=2x+6+2 \\ y=2x+8 \end{gathered}

4 0
1 year ago
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