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podryga [215]
3 years ago
12

NEED HELP ASAP (will mark brainliest)

Mathematics
1 answer:
sukhopar [10]3 years ago
3 0

Answer:

(x, y)  --->   (-x, y).

Step-by-step explanation:

When we reflect across the y-axis the y coordinate remains unchanged but the x coordinate changes sign:

(x, y)  --->   (-x, y).

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...........................
enyata [817]

Answer:

The value of r to be out in the given formula is r = 0.048.

Step-by-step explanation:

The rate is given as  4.8%.

Now to put the value of interest in the given formula,

We need the value of r.

r = \frac{r \%}{100}   = \frac{4.8}{100} = 0.048

Hence, the value of r to be out in the given formula is r = 0.048.

3 0
3 years ago
Is 8m-4m+4m and 8m equivalent?
marta [7]

Answer:

16

Step-by-step explanation:

good luck

follow me for more

8 0
3 years ago
A word that means three sided?
Vedmedyk [2.9K]

Answer:

triangle

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
The curved part of this figures is a semicircle.
vovangra [49]

First we join the two endpoints of the semicircle and that will be the diameter.

And to find the length of the diameter, we have to use distance formula, with one endpoint (3,2) and the other is (-4,-2) .

SO we get

Diameter = \sqrt{ {-4-3)^2 +(-2-2)^2 } = \sqrt{49+16} = \sqrt 65

Radius is half of diameter, so the radius is

Radius= \frac{ \sqrt{65}}{2}

Formula of area of circle is

Area = \pi r^2

So the area of semicircle is

=(1/2) \pi ( \frac{ \sqrt{65}}{2})^2 = 8.125 \pi \square \units

And the other figure is a triangle, with

Base = 3-(-4)=3+4=7 \\ height = 2-(-2) = 2+2 =4

Area = (1/2)*4*7= 14 square units

Therefore, total area is the sum of area of semicircle and area of triangle,

And we will get

Total \ area= 14 + 8.125 \pi \ units^2

Correct option is the third option .

3 0
3 years ago
Read 2 more answers
-4/5(-8x+6)=1+7 Please Help
bagirrra123 [75]

Answer:

x = 2

Step-by-step explanation:

-4/5(-8x + 6) = 1 + 7 (distribute first)

6.4x -4.8 = 8 (add 4.8 on both sides)

6.4x = 12.8 (divide by 6.4)

x = 2

PLUG IN

-4/5(-8(2) + 6) = 1 + 7

-4/5(-16 + 6) = 8

-4/5(-10) = 8

8 = 8

8 0
3 years ago
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