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Ugo [173]
2 years ago
15

Does anyone know please

Mathematics
2 answers:
Novay_Z [31]2 years ago
7 0

Answer:

8 hours and 54 minuter

Step-by-step explanation:

1 hour is equal to 60 minutes

we have 8 hours and 0.9 hours

0.9*60=54 minutes

we have 8 hours and 54 minuter

Nuetrik [128]2 years ago
6 0

Answer:

The last one

Step-by-step explanation:

First you need to figure out how many minutes are in 0.1 hours

you can do this by dividing 60 minutes by 10

you get 6

multiply 6 and 9 so that you can find out how many minutes 0.9 hours are

this leaves you with 54 minutes

so your answer is 8 hours and 54 minutes

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(a) 26.8% of 67.5 is what?<br>(b) 215% of what number is 89.87?​
Alchen [17]

Part (a):

Turn percentage into a decimal.

26.8% = 0.268

Multiply.

67.5 * 0.268 = 18.09 (Answer)

Part (b):

Divide.

89.87 / 215 = 0.418

Turn into a whole number.

0.418 = 41.8 (Answer)

Turn percentage to a decimal to check.

215% = 2.15

Multiply

41.8 * 2.15 = 89.87

Hope This Helped! Good Luck!

6 0
3 years ago
Y<br> 45°<br> X 100°<br> y = [ ? 1°
deff fn [24]

Step-by-step explanation:

x+100°=180°{being straight angle}

x=180-100

x=80°

again,

45°+x+y=180°{sum of angle of triangle}

45+80+y=180

y=180-125°

y=55°

hope it helps.

8 0
3 years ago
Help help help thanks
bija089 [108]
The answers are C and E,
According to the interior and exterior angle theorem, this should be correct:
<3+<4+<6=180
<3+<1=180
<4+<6=<1
so they are the interior opposite of <1


7 0
3 years ago
Nine increased by the product of a number and 2 is less than or equal to 27.
Naily [24]

Answer:

x≤9

Step-by-step explanation:

9+2x≤27

1) Subtract both sides by 9:

2x≤18

2) Divide both sides by 2:

x≤9

8 0
3 years ago
Kenneth and Antonio are buying plants for the school garden. They want to buy 8 pepper plants for $2 each and 12 tomato plants f
SSSSS [86.1K]
8 times 2 is 16 and 12 times 3 is 36. So 16 plus 36 is 52

3 0
3 years ago
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