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astraxan [27]
1 year ago
5

How do i plot 3 points on a graph when all I am given is "x=4" ? and I need to find "x and y" for 3 points.​

Mathematics
1 answer:
ipn [44]1 year ago
8 0

Answer:

(4,-1) (4,0) (4,1)

Step-by-step explanation:

If you graph this, it will be a straight vertical line.  No matter what y is, x will always be 4.

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How to mulitiply 8.18 times 2.8 don’t understand
schepotkina [342]

Answer:

Multiply it like a normal number.

Step-by-step explanation:

Take the point away in both numbers

line the numbers up and add the zero at the end of 28

multiply

add the decimal point back after solved (3 decimal points)

 818

x280

-----------

4 0
3 years ago
If the length of a rectangle is a two-digit number with identical digits and the width is 1/10 the length and the perimeter is 2
Oksanka [162]

If the length of a rectangle is a two-digit number with identical digits and the width is 1/10 the length and the perimeter is 2 times the area of the rectangle, what is the the length and the width

Solution:

Let the length of rectangle=x

Width of rectangle=x/10

Perimeter is 2(Length+Width)

= 2(x+x/10)

Area of Rectangle= Length* Width=x*x/10

As, Perimeter=2(Area)

So,2(x+x/10)=2(x*x/10)

Multiplying the equation with 10, we get,

2(10x+x)=2x²

Adding Like terms, 10x+x=11x

2(11x)=2x^2

22x=2x²

2x²-22x=0

2x(x-11)=0

By Zero Product property, either x=0

or, x-11=0

or, x=11

So, Width=x/10=11/10=1.1

Checking:

So, Perimeter=2(Length +Width)=2(11+1.1)=2*(12.1)=24.2

Area=Length*Width=11*1.1=12.1

Hence, Perimeter= 2 Area

As,24.2=2*12.1=24.2

So, Perimeter=2 Area

So, Answer:Length of Rectangle=11 units

Width of Rectangle=1.1 units

7 0
3 years ago
Read 2 more answers
Add the complex numbers. <br><br> (5-2i)+(2+4i)
Ksju [112]

Answer:

2i + 7

Step-by-step explanation:

Given

(5 - 2i) + (2 + 4i) ← remove parenthesis

= 5 - 2i + 2 + 4i ← collect like terms

= 2i + 7

3 0
3 years ago
I need help ASAP I’ll give brainliest:)
olya-2409 [2.1K]

Volume of the cone:

V = 3.14 x 3^2 x 9/3 = 84.78

Volume of half sphere on top of cone:

V = (4/3 x 3.14 x 3^3 )/2 = 56.52

Total volume = 56.52 + 84.78 = 141.3 cm^3

4 0
3 years ago
the moon is a sphere with a radius of 567 km. determine an equation for the ellipse if the distance of the satellite from the su
KIM [24]
A=567 km+900 km
a=1,467 km

b=567 km+169 km
b=736 km

x^2/a^2+y^2/b^2=1
x^2/(1,467)^2+y^2/(736)^2=1

Please, see the graph in the attached graph.

Thanks. 

3 0
3 years ago
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