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melamori03 [73]
2 years ago
14

What is f(-3) for the function f(a)=-2a2-5a+4?​

Mathematics
1 answer:
Gwar [14]2 years ago
4 0

Answer:

ans is 1

Step-by-step explanation:

replace a with -3

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I need help pls
andre [41]

\large\bf{\underline{Given \: equations:}}

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\large \: x + 71 = 180

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\large \: x + 149 = 180

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎\large \: x + 40 = 180

__________________________________________

\large\bf{\underline{On \: solving :}}

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎⟹x + 71 = 180

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎⟹x = 180 - 71

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎⟹x = 109

__________________________________________

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎⟹x + 149 = 180

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎⟹x = 180 - 149

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎⟹x = 31

__________________________________________

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎⟹x + 40 = 180

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎⟹x = 180 - 40

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎⟹x = 140

__________________________________________

4 0
2 years ago
A saleswoman earns 3% commission on all the merchandise that she sells. Last month she sold $3000 worth of merchandise. How much
Lynna [10]

She earned $90 commission last month.

Step-by-step explanation:

Given,

Commission rate of saleswoman = 3%

Sold worth of merchandise = $3000

Commission amount = 3% of sold worth

Commission\ amount=\frac{3}{100}*3000\\\\Commission\ amount=\frac{9000}{100}\\\\Commission\ amount=\$90

She earned $90 commission last month.

Keywords: percentage, division

Learn more about division at:

  • brainly.com/question/2228475
  • brainly.com/question/2226873

#LearnwithBrainly

4 0
3 years ago
A Laptop is on sale for 20% off the regular price. The price was originally $879.00. What is the sale price?
konstantin123 [22]
I believe it is 175.80
7 0
3 years ago
In 1968, it cost $54,000 for a 30-second commercial during the Super Bowl. In 1973, the cost for a 30-second
8_murik_8 [283]

Answer:

B

Step-by-step explanation:

maybe I'm not sure tho

8 0
3 years ago
When adding integers with the same sign, you ___ the numbers and ____ the sign.
fredd [130]

(I)

we are given when we add numbers of same sign

For exp: +2+3=+5

-2-3=-5

We can see that we are adding numbers and then we put same sign in front

so, we can fill spaces

When adding integers with the same sign, you add the numbers and put the sign

(II)

we are given when we add numbers of different signs

For exp: 2-3=-1

-2+3=+1

We can see that we are subtracting numbers and then we put sign of largest value in front

so, we can fill spaces

When adding integers with different signs you subtract the numbers and use the sign of the largest absolute value

8 0
3 years ago
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