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Digiron [165]
3 years ago
12

Write the quadratic equation in standard form: -7x+4=x^2

Mathematics
2 answers:
svet-max [94.6K]3 years ago
5 0
It would be x^2+7x-4, you just move everything to one side.
mariarad [96]3 years ago
3 0

Answer:

x² + 7x - 4 = 0

Step-by-step explanation:

A quadratic equation in standard form is

ax² + bx + c = 0 ( a ≠ 0 )

Given

- 7x + 4 = x² ( subtract - 7x + 4 from both sides )

0 = x² + 7x - 4 , that is

x² + 7x - 4 = 0 ← in standard form

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7 0
4 years ago
Find the missing values in each row. Use the percent equation. A: Principal: $100 Interest rate: 5% Time in years: 3 Interest ea
ANEK [815]

Answer:

A.) 15

B.) 1 year

C.) $50

D.) 1.5%

Step-by-step explanation:

The percentage equation goes thus:

Interest earned = principal * rate * time

A)

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Interest earned = $100 * 0.05 * 3

Interest earned = $15

B.)

Principa;" $500 Interest rate: 4% Time in years: interest earned: $20

Interest earned = principal * rate * time

20 = 500 * 0.04 * time

20 = 20 * time

Time = 20 / 20 = 1

Time = 1 year

C.)

Principal: Interest rate:10% Time in years: 7 Interest earned:$35

Interest earned = principal * rate * time

$35 = principal * 0.1 * 7

$35 = principal * 0.7

Principal = $35 / 0.7

Principal = $50

D.)

Principal: $200 Interest rate: Time in years:2 Interest earned: $6

Interest earned = principal * rate * time

$6 = $200 * rate * 2

$6 = $400 * rate

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7 0
3 years ago
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Fittoniya [83]
The answer would be +3 since ur adding 3 every time
5 0
2 years ago
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olga nikolaevna [1]

Answer:

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Step-by-step explanation:

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1-2/ -2-5

= -1/ -7

= 1/7

8 0
3 years ago
Read 2 more answers
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