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stepan [7]
3 years ago
15

HELP!A.SSSB.SASC.ASAD.HL

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
8 0
The answer is




Read more ......





























A.sss
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Workout 2/5 of 16 miles
yaroslaw [1]

Answer:

6.4

Step-by-step explanation:

16 ÷ 2/5 = 6.4!

that's it

3 0
3 years ago
Given the polynomial x7y³ + 2x5y² - 3x³ - 2x4 -2, its degree is equal to?
denis-greek [22]

Answer:

3

Step-by-step explanation:

its always the highest exponet

4 0
3 years ago
What is the approximate circumference of a circle with a diameter of 300 feet
almond37 [142]
Circumference = 2πr

Since you know the diameter is 300, you divide it by 2 to find the radius. Therefore, the radius is 150.
Now plug it into the formula: C = 2(3.14)(150)
                                              C = 942

Answer: Circumference is 942 feet
6 0
2 years ago
HELP WILL MARK BRAINLIEST<br> Which function is graphed below?
o-na [289]

Answer:

f(x) = sin(x)

Step-by-step explanation:

This is the correct answer.

4 0
2 years ago
A boat travels 12 km upstream and back in 1 hour 45 minutes. If the speed of the current is 3 km/h throughout, find the speed of
Elza [17]

Answer:

14.3 km/h   to 3 significant figures

Step-by-step explanation:

Let time travelling upstream be t1 hours and downstream = t2 hours.

t1 + t2 = 1.75..........................(1)

Let v  be the speed of the boat in still water.

12 / t1 = v - 3.........................(2)

12 /  t2 = v + 3........................(3)

From (1) and (3) , substituting for t2:-

12 / (1.75 - t1) = v + 3 ..................(4)

Subtract:-   (2) - (4):-

12 / t1 - 12 / (1.75 - t1) = -6

12(1 .75 - t1) - 12t1 = -6t1(1.75 -  t1)

21 - 12t1 - 12t1 = -10.5t1 + 6t^2

6t1^2 + 13.5t1 - 21 = 0

Solving this gives t1 = 1.058 hours

Therefore the speed in still water (v)  = 12/1.058 + 3 = 14.3 to 3 sig figs

3 0
3 years ago
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