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ipn [44]
3 years ago
10

Let's suppose a large triangle has a hole in the middle of it in the form of a rectangle, would you add the rectangle to the are

a of the triangle or subtract it from the area of the triangle to find the total area? *
Mathematics
2 answers:
Cloud [144]3 years ago
7 0

Answer:

Add the area of a rectangle

Step-by-step explanation:

You would add a rectangle to the area of the triangle to fill in the missing hole(i think)

WITCHER [35]3 years ago
3 0

Answer:

Subtract

Step-by-step explanation:

There is nothing but a rectangular hole on the triangle. Therefore, subtracting away a piece of the triangle.

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Rational Numbers lbrainlyst if I get a B or more in 20 mins!!
Gnoma [55]

Answer:

1.) -5.1

2.) personally I would not convert the way the would. There is a quicker way of converting that to decimal so idk exactly what they are doing unfortunately I can't help with you at the moment. I would need more time.

3.) Point C is the the opposite of -3.3

4.) D. 5.3333333 is a rational number

5.) All the points on the graph could represent rational numbers

6.) Simply Divide 2 by 6 to get repeating decimal

7.) -20.75 should be correct  

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
una fotografía se reduce a una escala de 1:3 y enseguida se reduce nuevamente con una escala de 1:4 ¿cuáles la reduccion total q
Scrat [10]

Answer:

I don't speak that language

8 0
3 years ago
Prove algebraically that r = 10/2+2sinTheta is a parabola
Xelga [282]

Answer:

y =  -  \frac{ 1 }{10} {x}^{2}   +  \frac{5}{2}

Step-by-step explanation:

We want to prove algebraically that:

r =  \frac{10}{2 + 2 \sin \theta}

is a parabola.

We use the relations

{r}^{2}  =  {x}^{2}  +  {y}^{2}

and

y = r \sin \theta

Before we substitute, let us rewrite the equation to get:

r(2 + 2 \sin \theta) = 10

Or

r(1+  \sin \theta) = 5

Expand :

r+  r\sin \theta= 5

We now substitute to get:

\sqrt{ {x}^{2}  +  {y}^{2} }  + y = 5

This means that:

\sqrt{ {x}^{2}  +  {y}^{2} }=5 - y

Square:

{x}^{2}  +  {y}^{2} =(5 - y)^{2}

Expand:

{x}^{2}  +  {y}^{2} =25 - 10y +  {y}^{2}

{x}^{2}  =25 - 10y

{x}^{2}  - 25 =  - 10y

y =  -  \frac{ {x}^{2} }{10}  +  \frac{5}{2}

This is a parabola (0,2.5) and turns upside down.

4 0
3 years ago
The rectangular model is made up of squares. Each square is of equal size.
IrinaK [193]
H 45%
you would add up the number of shaded squares and divide that by the total number of squares
6 0
2 years ago
Read 2 more answers
2. On Monday, I bought 3 dogs and 5 cats for a total cost of $8.25. On Tuesday, I bought 3 dogs and 6 cats for a total cost of $
Ratling [72]
I don’t know if you need to round, but you can do so on the answer for mondays if necessary

On Monday, the animals cost $1.03125.
On Tuesday, the animals cost exactly $1.
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3 years ago
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