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elixir [45]
3 years ago
15

two submarines, one red and one blue, started rising toward the surface at the same time.they each rose at a constant speed. the

red submarine started rising from an altitude of 80 meters below the surface.after 30 seconds it was 60 meters below the surface.The following equation gives the altitude (in meters relative to the surface) of the blue submarine as a function of time (in seconds) A=-90+0.6t
Mathematics
1 answer:
Mnenie [13.5K]3 years ago
6 0

I NEED A BIT MORE DETAIL LOL

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What kind of construction is it??
pochemuha
That is an angle bisector.
It divides an angle in half
hope it helps
3 0
3 years ago
I really need help for this! Please!
Serhud [2]

Answer: -16

Step-by-step explanation:

-3 is less than -2 so use the first one

Plug into equation

5(-3)-1

-15-1= -16

8 0
2 years ago
Pls help this question bamboozles me and I am now sitting here confused
UkoKoshka [18]

Answer:

10+3pi

Step-by-step explanation:

The perimeter of of the shaded region is

AC+CT+marcSBT+SA

*Finding AC

The diagonals of a rectangle are equal is measurement. Since RB is a radius of the circle, then RB is 6. Since AC and RB are both diagonals of the rectangle, then AC is also 6.

*Finding CT

CT=RT-RC where RC is the width of the rectangle

Also RT is a radius so we have that

CT=6-RC

*Finding marcSBT

The circumference of a whole circle is 2pi*r.

We have a quarter of this with r=6.

1/4*2pi(6)

1/4*12pi

3pi

*Finding SA

SA=RS-AR

RS is a radius of the circle and AR is the length of the rectangle.

So we have that this can be rewritten as

SA=6-AR

Let's put these parts together:

6+6-RC+3pi+6-AR

Simplifying:

18-RC-AR+3pi

18-(RC+AR)+3pi

18-8+3pi (Remember length plus width equal 8)

10+3pi

4 0
3 years ago
Which number is an integer?<br> -34 -0.4 0.4 3.4 PLS HELP I'M TIMED EDGE 2020
Stella [2.4K]

Answer:

Step-by-step explanation:         The four numbers:  - 34, -0.4, 0.4, 3.4

so if you look at it it  The answer is -34

7 0
2 years ago
Read 2 more answers
I can't figure this out!
katovenus [111]
The line is 180 degrees in total so your equation would be-
X-6 + 8x + 24 = 180
9x + 18 = 180
9x = 162
Answer is: x = 18
3 0
2 years ago
Read 2 more answers
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