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Alja [10]
3 years ago
14

What is surface area

Mathematics
2 answers:
Yuki888 [10]3 years ago
8 0
It is the outside part of what your working with

stiks02 [169]3 years ago
7 0
Surface area is the total area of a surface of a three- dimensional object.

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Y=x+3<br> y=-x-1<br> i need to find the solution of equations
Molodets [167]

Answer:

\huge\boxed{\sf \{(-2,1)\}}

Step-by-step explanation:

Given equations:

y = x + 3

y = -x - 1

By comparing the above equations, we get:

x + 3 = -x - 1

Add x to both sides

<h3>x + x + 3 = -1 </h3><h3>2x + 3 = -1</h3>

Subtract 3 to both sides

2x = -1 - 3

2x = -4

Divide 2 to both sides

x = -4/2

<h3>x = -2</h3>

Substitute x = -2 in first equation.

y = x + 3

y = -2 + 3

<h3>y = 1</h3>

So,

<h3>Solution Set = {(x,y)}={(-2,1)}</h3>

\rule[225]{225}{2}

5 0
2 years ago
Read 2 more answers
Need help please . also due today
zheka24 [161]

Answer:

5 units

Step-by-step explanation:

Diameter = two times the radius so the answer is 5 units.

5 0
3 years ago
Read 2 more answers
Can some1 help me with this please
ziro4ka [17]
Y=2x+5 is the answer
5 0
2 years ago
Read 2 more answers
Can somebody please solve this and explain it with steps?
Rina8888 [55]
The lateral surface area consists of 2 sides with 11 unit long and 4 unit high, and 2 sides with 8 unit long and 4 unit high. Each side is a rectangle. So basically you use area of rectangle to determine the lateral surface area
lat sa = 2 × area of rectangle + 2 × area of rectangle

In this case, it will be
lat sa = (2 × l × h) + (2 × w × h)
lat sa = (2 × 11 × 4) + (2 × 8 × 4)
lat sa = 88 + 64
lat sa = 152

The lateral surface area is 152 squares unit
5 0
2 years ago
Draw the image of B(7,-4) under a reflection over x=2
lesantik [10]

Answer:

Put the green dot at the coordinates (-3, -4). Find -3 on the x-axis and go 4 down.

Step-by-step explanation:

Just move the blue dot five to the left, then five to the left again.

3 0
2 years ago
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