1 year ago

Hey guys is this correct?

Mathematics

2 answers:

olchik [2.2K]1 year ago

8 0

Answer:

yes owo

Step-by-step explanation:

lutik1710 [3]1 year ago

6 0

Answer:

Step-by-step explanation:

y e s , m e h f r i e n d

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Need help with my homework 2 problems

Solnce55 [7]

4(x+2) , 2(2x+4) , 8+4x , 1/2(8x+16) are all the same as 4x+ 8.

5 0

2 years ago

How much of a radioactive substance must be presented to decay to 80 grams in 12 years if the half-life of the substance is 7.6

max2010maxim [7]

Answer:

Radioactive in half life is 51gram

Step-by-step explanation:

80grams:12years

X :7.6years

12x÷x=x

7.6×80÷12=51gram

4 0

2 years ago

Read 2 more answers

A car's speedometer has a percent error of 5%. The speedometer currently shows that the car is traveling at a speed of 60 mph.

Minchanka [31]

Answer:

The actual speed of the car is either 57 mph or 63 mph

Step-by-step explanation:

Given as :

The measured speed o the car = 60 mph

The percentage error in speedometer = 5 %

Let The actual speed of car = x mph

Now, percentage error = $\dfrac{\textrm actual value - \textrm measured value}{\textrm measured value}$ × 100

So, $\frac{5}{100}$ = $\frac{x - 60}{60}$

or, $\frac{5}{100}$ × 60 = x - 60

Or, 3 = x - 60

∴ x = 63 mph

Hence The actual speed of the car is either 57 mph or 63 mph . Answer

8 0

3 years ago

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VikaD [51]

Answer:

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Step-by-step explanation:

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2 years ago

The sum of (3 - 5i) + (-2 + 8i) is

andreyandreev [35.5K]

Answer:

Answer is below

Step-by-step explanation:

3−5i−2+8i

=1+3i

8 0

2 years ago