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otez555 [7]
3 years ago
13

Simplify. −7i⋅(−8i) −56 −56i 56i 56

Mathematics
2 answers:
Novay_Z [31]3 years ago
8 0
Your answer is A. -56
Hope this helps!
matrenka [14]3 years ago
8 0
A. -56

This should be your correct answer!

Hope this helps!
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A line that includes the point (7,0) has a slope of 1. What is its equation in slope-intercept form?
lidiya [134]

Answer:

Step-by-step explanation:

i think that the equations might be y = x - 7

8 0
3 years ago
Solve equation <br><br> r/3-4=11<br><br> r = 45 <br><br> r = 35<br><br> r = 33<br><br> r = 28
Molodets [167]

Answer:

r=-11

Step-by-step explanation:

7 0
3 years ago
Steven wishes to save for his retirement by depositing $2,000 at the beginning of each year for thirty years. Exactly one year a
Ad libitum [116K]

Step-by-step explanation:

i = interest 3% for 30 years

This is a simple dynamical system for whom the the solutions are given as

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putting values we get

S=2000[\frac{(1.03)^{30}-1}{0.03}](1.03)

= $98005.35

withdrawal of money takes place from one year after last payment

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P = R\frac{1-(1+i)^{-n}}{i}{i+1}

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R= $6542.2356

8 0
3 years ago
An elevator has weight limit of 1 ton. There are 3 people inside the elevator. Each person weighs 150 pounds. How many pounds ca
drek231 [11]

Answer:

2000 Pounds

Step-by-step explanation:

There are 2000 pounds in a US ton.

There are 2240 pounds in an Imperial ton.

There are 2204.62 pounds in a metric ton.

7 0
3 years ago
Of the marbles in a bag, 4 are yellow, 5 are blue, and 4 are red. Sandra will randomly choose one
Tom [10]

Answer:

where is part b? Part A is 4/13

Step-by-step explanation:

this is because in total there are 13 marbles. and when you pull out a marble. 4 of them can be red. you can simplify that fraction if need be.

3 0
3 years ago
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