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Anestetic [448]
3 years ago
7

a vertical line goes through the points (6,-5). Someone plzzzz tell me what are the coordinates of the vertical line and how do

u solve this problem? ???
Mathematics
2 answers:
iVinArrow [24]3 years ago
6 0
Vertical line is a straight line that goes up and down

this also means that all points on this vertical line will share the same x coordinate

you see that one of the points is (6,-5)
therefore the equation of the line is
x=6
Harman [31]3 years ago
5 0
Vertical is up and down
that is x=something

we know that (x,y)
we got (6,-5)
if we line them up
(x,y)
(6,-5)
x=6 and y=-5 is a point on the graph

so x=6 is the equation
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*WILL MARK BRAINLIEST*
user100 [1]

Answer:

64 + 64sqrt(3)

174.9 cm²

Step-by-step explanation:

AD/2 = 8cos(60) = 4

AD = 8 cm

Height of each triangle = 8sin(60)

= 4sqrt(3)

sqrt: square root

Area = 8² + 4(½ × 8 × 4sqrt(3))

= 64 + 64sqrt(3) cm²

= 174.8512517 cm²

5 0
3 years ago
A counter top is 18 feet long and 3 feet wide. What is the area of the counter top in square meters? Use the conversion 1 foot =
podryga [215]

Answer:

Area of the counter top is 5.02\ m^2.

Step-by-step explanation:

Given:

Length of the Counter top = 18 feet

Width of the counter top = 3 feet

We need to find the area of the counter top is square meter;

Solution:

Now we need to find the area of the counter top is square meter.

But given data is in feet so we will first convert feet into meters.

1 foot = 0.305 meter.

So 18 feet = Number of meters in 18 feet.

By Using Unitary method we get;

Number of meters in 18 feet = 18\times 0.305 = 5.49\ m

Length of the Counter top = 5.49 m

Also 3 feet = Number of meters in 3 feet.

Again Using Unitary method we get;

Number of meters in 3 feet = 3\times 0.305 = 0.915\ m

Width of the counter top = 0.915 m

Now we know that;

Area of the counter top can be calculated by multiplying Length of the counter top with width of the counter top.

framing in equation form we get;

Area of the counter top = 5.49\times 0.915 = 5.0233\ m^2

Rounding up to 2 decimals we get;

Area of the counter top =  5.02\ m^2

Hence Area of the counter top is 5.02\ m^2.

3 0
4 years ago
A scientist needs 10 L of a solution that is 60% acid. She has a 50% acid solution and a 90% acid solution she can mix together
sineoko [7]

Answer:

<u>The equations system is:</u>

<u>x + y = 10</u>

<u>0.5x + 0.9y = 6</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Liters of 60% acid solution needed = 10

x = Number of liters of the 50% solution

y = Number of liters of the 90% solution

2. Which equation represents the total liters of acid that are needed?

There are two equations needed:

The first one related to the total liters needed, 10 in this case:

x + y = 10

The second one related to the acid concentration of the 10 liters:

0.5x + 0.9y = 10 * 0.6

0.5x + 0.9y = 6

<u>The equations system is:</u>

<u>x + y = 10</u>

<u>0.5x + 0.9y = 6</u>

Solving for x and y in the 2nd equation, we have:

0.5 (10 - y) + 0.9y = 6

5 - 0.5y + 0.9y = 6

0.4y = 6 - 5

0.4y = 1

y = 1/0.4 = 2.5 ⇒ x = 7.5 (10 - 2.5)

The scientist can mix 7.5 liters of the 50% acid solution and 2.5 liters of the 90% acid solution to get the 10 liters of the 60% acid solution.

6 0
3 years ago
Please help this due today
Lelechka [254]

Answer:

A

Step-by-step explanation:

just add all of them and divide it by six.

8 0
3 years ago
For a continuous random variable x, the probability density function f(x) represents
jarptica [38.1K]

Answer:

Option d.

Step-by-step explanation:

we know that

The graph of a continuous probability distribution is a curve. Probability is represented by area under the curve.

The curve is called the probability density function (abbreviated as pdf).

We use the symbol f(x) to represent the curve

therefore

The probability density function f(x) represents . the height of the function at  x.

7 0
4 years ago
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