2 years ago

I need the answer fast please !

Mathematics

1 answer:

Ahat [919]2 years ago

6 0

Answer:

Step-by-step explanation:

Angles on a straight line are equal to 180°

180°-120°= 60°

Sum of Co interior angles are equal to 180°

180°-60° =120°

90°+60°+ x = 180°

((180° - 90° - 60°= 30°))

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Omg pls help ill give you 20 points

ElenaW [278]

Answer:

Step-by-step explanation:

Amount of water in tank 1 = amount of water in tank 2

30t +25 = -20t + 1000

Add 20t to both sides

30t + 20t + 25 = -20t + 20t + 1000

50t + 25 = 1000

Subtract 25 from both sides

50t + 25 - 25 = 1000 - 25

50t = 975

Divide both sides by 50

t = 975/50 = 39/2

$= 19 \frac{1}2}$

t = 19 minutes 30 seconds

After 19 1/2 minutes both tanks will have 610 liters of water

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2 years ago

Compare 1.41___1.397 < > =

Snowcat [4.5K]

1.41 is greater than 1.39
>

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2 years ago

The high temperature was recorded as 25.6°F. The low temperature that same day was recorded as −2.7°F. What was the difference b

VMariaS [17]

28.3

Step-by-step explanation:

the difference is the answer to a subtraction problem so we can plug in our numbers like this

25.6-(-2.7) which equals 28.3

a good thing to remember when subtracting negative numbers is that a positive and negative won't always make a negative like in this example

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2 years ago

What number would you add to both sides of x2 + 7x = 4 to complete the square? 22 72 StartFraction 7 squared Over 2 EndFraction

ki77a [65]

Answer:

D on e2020

Step-by-step explanation:

got it right

8 0

3 years ago

Read 2 more answers

HELP ME PLEASE I DONT UNDERSTAND

yulyashka [42]

Answer:

Step-by-step explanation:

acid=16.5 % of 348

=0.165×348

≈57.4 ml

6 0

2 years ago