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3 years ago

What is the product of (5-2i)(3i)?

Mathematics

2 answers:

lora16 [44]3 years ago

6 0

Search it up on safari and you’ll find the answer

Tcecarenko [31]3 years ago

5 0

Answer:

15i + 6

Step-by-step explanation:

Multiply. Note that:

i * i = i² = -1

Use the FOIL method.

Distribute 3i to all terms within the first parenthesis:

5 * 3i = 15i

-2i * 3i = -6i² = -6 * -1 = 6

15i + 6 is your answer.

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Round each decimal to the nearest whole number

4vir4ik [10]

Answer:

1. 1

2. 8

3. 13

Step-by-step explanation:

hope that helps

6 0

2 years ago

Beth and joe won first place at the local talent show and shared the 50$ price equally they also gave some money to their friend

swat32

If they each kept the same amount of the $50 prize, then we divide $50 by 2 people, giving each of them $25 winnings. Your question is then a little confusing because it could be answered in two ways. Did they each keep $20.75 out of their $25 winnings, or did the two of them keep $20.75 in a combined total? Please read your question again to see which might be the case. I'm answering on the assumption that they each kept $20.75.

STEP 1:
divide total prize money by 2

= $50 ÷ 2
= $25 each won

STEP 2:
If they each kept $20.75

= $25 won - $20.75 each kept
= $4.25 each gave away

STEP 3:
multiply amount given away by 2 people
= $4.25 * 2 people
= $8.50 total given away

ANSWER: The total given to Romy is $8.50.

Hope this helps! :)

8 0

3 years ago

Please Help! 20 Points!

iVinArrow [24]

$\text {x - coordinate = } \bigg( 5\dfrac{1}{2} + 3\dfrac{3}{4} \bigg) \div 2$

$\text {x - coordinate = } \bigg( 5\dfrac{2}{4} + 3\dfrac{3}{4} \bigg) \div 2$

$\text {x - coordinate = } 8\dfrac{5}{4} \div 2$

$\text {x - coordinate = }\dfrac{37}{4} \times \dfrac{1}{2}$

$\text {x - coordinate = }\dfrac{37}{8}$

$\text {x - coordinate = } 4\dfrac{5}{8}$

$\text {y - coordinate = } \bigg( -4\dfrac{1}{4} - 1\dfrac{1}{4} \bigg) \div 2$

$\text {y - coordinate = } -5\dfrac{2}{4} \div 2$

$\text {y - coordinate = } -\dfrac{22}{4} \times \dfrac{1}{2}$

$\text {y - coordinate = } -\dfrac{11}{4}}$

$\text {y - coordinate = } -2\dfrac{3}{4}}$

$\text {The coordinate is }\bigg( 4\dfrac{5}{8}, -2\dfrac{3}{4}} \bigg)$

6 0

3 years ago

The rent for an apartment is represented by R(a) = 2.00a + 50.00, where a is the area of the apartment in square feet. The rent

QveST [7]

Answer:

The correct option is: D) S(a) = 2.00a + 100.00; shift 50 units up

Step-by-step explanation:

The rent for an apartment is represented by $R(a) = 2.00a + 50.00$

Now, the rent increases by $50.00 when the apartment is furnished. So, the rent of a furnished apartment will be: $(2.00a+50.00+50.00) = (2.00a+100.00) dollar$

Thus the new function will be: $S(a)= 2.00a+100.00$

As the output of the original function is increased by 50.00, so the graph of the original function will shift 50 units upward.

8 0

3 years ago

If x is 5, then 6x= 1. 30x 2. 5x 3. 30

Fittoniya [83]

Answer:

Step-by-step explanation:

6*5=30

3 0

3 years ago

Read 2 more answers