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3 years ago

PLEASE TELL ME THE ANSWER TO PERCENTS BRAINPOP

Mathematics

2 answers:

coldgirl [10]3 years ago

5 0

I wish I could tell you, I’m stuck on it too

aleksandrvk [35]3 years ago

5 0

Answer: 1. 25 percent

2. 1/5

3. 8

4. 0.75

5. about 8 percent

6. 2.4 hrs

7. 62.5 percent

8. Make a porprotion and solve by cross multiplying

9.54$

10. 25

Step-by-step explanation:

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Show that ( 1 +i )2 = 2i

zheka24 [161]

Given:

The statement is

$(1+i)^2=2i$

To prove:

The given statement $(1+i)^2=2i$ .

Solution:

We have,

$(1+i)^2=2i$

Taking LHS, we get

$LHS=(1+i)^2$

$LHS=(1)^2+2(1)(i)+(i)^2$ $[\because (a+b)^2=a^2+2ab+b^2]$

$LHS=1+2i+(-1)$ $[\because i^2=-1]$

On further simplification, we get

$LHS=1+2i-1$

$LHS=2i$

$LHS=RHS$

Hence proved.

6 0

3 years ago

In the equation -3(y-2)2/3+29=-19, the values of y are

Elodia [21]

See attached explanation.: Answer: y=26 or

Step-by-step.(−3(y−2))(2)3+29=−19
Step 1: Simplify both sides of the equation.(−3(y−2))(2)3+29=−19Simplify: −2y+4+29=−19 (Distribute)(−2y)+(4+29)=−19 (Combine Like Terms)−2y+33=−19−2y+33=−19

Step 2: Subtract 33 from both sides.−2y+33−33=−19−33−2y=−52

Step 3: Divide both sides by -2.−2y−2=−52−2y=26Answer: y=26

7 0

4 years ago

How would you replace 27/50 with the nearest half or whole number without using a number line?

irina1246 [14]

25/50 = 1/2 soooooooooooooooooooooooooooooooooo

8 0

3 years ago

How do you shade the model to show the decimal 0.542

pickupchik [31]

You turn the decimal into a percent

4 0

4 years ago

if the length of the longest side of the rectangle is 20cm find the shaded area to the nearest hundredth PLEASE HELPP !

djverab [1.8K]

Answer:

150pi

Step-by-step explanation:

lets just say the two circles are 10 and 10 in diameter. so, one square is 5 radius. The square is 25pi area. so two are 50pi area. the area of the rectangle is 200, so 150pi

Please tell me if I'm wrong D:

3 0

3 years ago