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Aleks04 [339]
3 years ago
10

Find the output, y, when the input, x, is -5 Y=6x+100

Mathematics
1 answer:
Alex777 [14]3 years ago
5 0

Answer:

Y = 70

Step-by-step explanation:

Y=6x+100

Y = 6 × -5 +100

Y = -30 +100

Y= 70

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Write the equation of a line with a slope of 3 and a y-intercept of 1.
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Take a look at the image below.

6 0
3 years ago
On Melissa's 6th birthday, she gets a $2000 CD that earns 7% interest compounded quarterly. If the CD matures on her 13th birthd
Alexandra [31]

Answer:

A\simeq3250.83

Step-by-step explanation:

The amount formula in compound interest is:

A=P(1+\frac{r}{n} )^{nt}

where:

P = principal amount

r = annual interest

n = number of compounding periods

t = number of years

We already know that:

P = $2000

r = 7\% = \frac{7\%}{100\%}=0.07

t = 7 (number of years from 6th to 13th bday)

n = 4 (quarterly in a year)

Then,

A=2000(1+\frac{0.07}{4} )^{(4)(7)}\\\\A=2000(1+\frac{0.07}{4} )^{28}\\\\A=3250.825792\\\\A\simeq3250.83

8 0
2 years ago
How i can prove the proofs?
Marianna [84]
You can prove the proofs by showing your work to prove the proofs.
3 0
3 years ago
Charles owes $2,500 on a credit card. The card charges 12% interest compounded continuously. Write a formula that describes how
ella [17]

Answer:

  see below

Step-by-step explanation:

The formula for the amount resulting from P earning interest at rate r continuously compounded is ...

  A = Pe^(rt)

for P=2500 and r=0.12, this becomes ...

  A = 2500e^(0.12t)

4 0
3 years ago
Only number one please help ​
Alex73 [517]

Answer:

C) 75 + 50x = 25 + 70x

Step-by-step explanation:

ABC Tech:

$50 an hour. So,for x hours= 50 * x = 50x

Service charge = 75 + 50x

Tech Squad:

$70 an hour. So,for x hours= 70 * x = 70x

Service charge = 25 + 70x

C) 75 + 50x = 25 + 70x

50x - 70x = 25 - 75

-20x = -50

x = -50/-20

x =5/2 = 2\frac{1}{2}hours

6 0
3 years ago
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