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3 years ago

The number 23 is what percent of 66

Mathematics

2 answers:

Butoxors [25]3 years ago

6 0

15.18

66 divided by 100 =.66

.66 x 23 =15.18

Karolina [17]3 years ago

4 0

23 of 66 is 34.8484%

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Does the point (5, 8) satisfy the inequality 2x + y > 18?

Anarel [89]

Answer:

The answer is...... NO

Step-by-step explanation:

Step 1: Plug in your values in the x and y cordinates.

2(5) + 8 > 18

Step 2: Solve

Then you multiply 2 and 5 and get 10.

SO then your equation should look like this:

10 + 8 > 18

The answer to the question is no because in order for this to work it would need to be the greater than or equal to sign, which looks like this ≥.

Hope this helps and have a great day! :)

7 0

3 years ago

6. Solve the problem. A carousel has a radius of 18 feet and takes 31

Darya [45]

Answer:

v = 3.64 ft/s

Step-by-step explanation:

Given that,

Radius of a carousel, r = 18 feet

It takes 31 seconds to complete revolution.

We need to find the linear speed of the carousel at its outside edge. Distance covered is equal to the circumference of the circle.

d = 2πr

d = 2π × 18 = 113.09 feet

Let v is the linear speed. It can be given by :

$v=\dfrac{D}{t}\\\\v=\dfrac{113.09}{31}\\\\v=3.64\ ft/s$

So, the linear speed of the carousel is 3.64 ft/s.

7 0

3 years ago

Help please The area of the figure is blank square units

zimovet [89]

Answer:

132 square units

Step-by-step explanation:

First, I would figure out the areas of the right triangles

Left triangle: 1/2(6x8) =24 units²

Right triangle: 1/2(8x3) = 12 units²

entire rectangle between triangles: 12x8 = 96 units²

add all areas together: 24+12+96 = 132 units²

3 0

3 years ago

Read 2 more answers

Write the equation of a line in slope-intercept form if m=-3 and b=7. help please.

pychu [463]

Slope-intercept form is y = mx + b. all you have to do for this question is plug your given information in:

m = -3
b = 7

y = mx + b
y = -3x + 7

3 0

3 years ago

Line w and line v are perpendicular to each other. Line w passes through the points ( -4,8 ) and ( 12,-2 ). What is the slope of

erik [133]

The slope of line "v" is $\frac{8}{5}$

<h3><u>Solution:</u></h3>

Given that Line w and line v are perpendicular to each other

Also given that line w passes through the points ( -4, 8 ) and ( 12, -2 )

To find: slope of line v

Since line w and line v are perpendicular to each other, product of slopes of line w and line v are equal to -1

$\text {slope of line } w \times \text { slope of line } v=-1$ ---- eqn 1

Let us first find slope of line w

<em><u>The slope "m" of a line is given as:</u></em>

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$\text {Here } x_{1}=-4 \text { and } x_{2}=12 \text { and } y_{1}=8 \text { and } y_{2}=-2$

$m=\frac{-2-8}{12-(-4)}=\frac{-10}{16}=\frac{-5}{8}$

Thus the slope of line "w" is $\frac{-5}{8}$

Substituting the slope of w in eqn 1 we get,

$\begin{array}{l}{\frac{-5}{8} \times \text { slope of line } v=-1} \\\\ {\text { slope of line } v=\frac{8}{-5} \times-1=\frac{8}{5}}\end{array}$

Thus the slope of line "v" is $\frac{8}{5}$

5 0

3 years ago