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Verdich [7]
3 years ago
5

Q1. Solve the linear equation a) y - 3 = -5​

Mathematics
1 answer:
IrinaK [193]3 years ago
8 0

Greetings.

The answer is y = -2.

Explanation:

The equation is defined to solve for y-term. Our y is currently our subject at this point and needs to be solved.

We move -3 to another side and leave y as the subject of equation. Moving to another side will change the sign/operator to opposite.

Plus ---> Minus

Minus ---> Plus

Multiply ---> Divide

Divide ----> Multiply

y-3=-5\\y=-5+3\\y=-2

Hope this helps! :)

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If Tanisha has ​$nbsp 100 100 to invest at 66​% per annum compounded semiannuallysemiannually​, how long will it be before she h
Oxana [17]

Answer:

time is 6.76 years

Step-by-step explanation:

given data

amount = $150

payment = $100

rate r = 6%  = 0.06

to find out

time period t

solution

we know it is compounding continuous

so we will apply here formula that is

amount = payment × e^{rt}   ..........1

put here all value we get

amount = payment × e^{rt}  

150 = 100 × e^{0.06t}  

take ln both side

ln 1.5 =  e^{0.06t}  

0.40546 = 0.06t

t = 0.40546 / 0.06

t = 6.76

so time is 6.76 years

7 0
4 years ago
A triangle has an area of 56 square units. It's night is 14 units. What is the length of its base?
NNADVOKAT [17]

Answer:

8 units

Step-by-step explanation:

b(14)/2 = 56

14b = 112

b = 8 units

4 0
3 years ago
Write 6.58 x 10power<br> 8 in standard form
Nataly [62]

Answer:

658000000

Step-by-step explanation:

It would be 658000000 because of this process ⬇

=6.58 ⨉ 10^8

=6.58 ⨉ 100000000

=658000000 (You move the decimal to the right because you are multiplying)

Hope it helps and please do mark it as Brainliest if possible!!! Good Luck!!!

3 0
3 years ago
Simplify: 7.2 x10^4/3.0 x 10^2
Jobisdone [24]

Answer:

240

Step-by-step explanation:

4 0
3 years ago
Can someone help me
Rama09 [41]

If x and y vary inversely, then xy = const.

x = 10, y = 8

xy=10\cdot8\\\\xy=80\ \ \ \ |:x\\\\\boxed{y=\dfrac{80}{x}}

4 0
3 years ago
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