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Morgarella [4.7K]
3 years ago
15

I need help fast the answers fro each question are in the drop down menu

Mathematics
2 answers:
kiruha [24]3 years ago
8 0
Alternate exterior angles
MrRissso [65]3 years ago
6 0

Alternate exterior angles

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T divided by 5/12 =-3/10<br><br><br> t=____
damaskus [11]

Answer:

Step-by-step explanation:

t ÷ 5/12 = -3/10

t * 12/5 = -5/10

t=\frac{-3*5}{10*12}\\\\t=\frac{-1*1}{2*4}\\\\t=\frac{-1}{8}

6 0
3 years ago
A boat takes 4 hours to go 20 miles upstream. It can go 32 miles downstream in the same time. Find the rate of the current and t
KonstantinChe [14]
Let the boat speed in still water be b.
Let the current speed be c.
The speed going upstream is 20/4 = 5 mph.
The speed going downstream is 32/4 = 8 mph.
b - c = 5 ........(1)
b + c = 8 .......(2)
Adding equations (1) and (2) we get:
2b = 13
b = 13/2 = 6.5
Plugging in the value for b into equation (1) we find c = 1.5.
The boat speed in still water is 6.5 mph and the current speed is 1.5 mph.
4 0
3 years ago
Find all angles, 0 ≤C&lt;360 that satisfy the equation below, to the nearest tenth of a degree.
ludmilkaskok [199]

Move all the terms involving the sine to one side, and all the numbers to the other:

9\sin(c)-2=\sin(c)-7 \iff 8\sin(c) = -5\iff \sin(c)=-\dfrac{5}{8} \iff c = \arcsin\left(-\dfrac{5}{8}\right)\approx 321.3

7 0
3 years ago
14k²+49k+21 factorise<br>​
irina [24]

Answer:

(2k+1)(k+3)

Step-by-step explanation:

14k²+49k+21

simplify by dividing the whole equation by 7

2k²+7k+3

factorise

(2k+1)(k+3)

6 0
3 years ago
a laptop's screen is 8 inches long. if the diagonal measures 10 inches, what is the width of the laptop
Ray Of Light [21]
The width of the laptop is 6 inches long.
5 0
3 years ago
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