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likoan [24]
3 years ago
7

1. The equation y = -x2 - 2x + 8 is graphed on the

Mathematics
1 answer:
aalyn [17]3 years ago
7 0

Answer:

It B since The root is obtained when F(x)=0 and if F(x)=y this means y=0 and when you look art graph the y=0 presented in two points x=-4 and x=2

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Mikaela wants to use her savings to buy a surfboard that costs $329. She has a coupon for 25% off and the sales tax is 7.5%. She
Debora [2.8K]

Answer:

  • Yes

Step-by-step explanation:

<u>Mikaela needs to pay for a surfboard:</u>

  • 329*(1 - 0.25)*(1+ 0.075) =
  • $265.26

<u>Mikaela will have money in account:</u>

  • 245*(1 + 3*0.035) =
  • $270.73

As she has more money than needed she can buy the surfboard

3 0
3 years ago
Is ( 1,-1) a solution to the following system of inequalities:
SVETLANKA909090 [29]

Answer:

No

Step-by-step explanation:

x-y less than -2

4x+y less than 3

4x less than 3+y

4x less than 3y

6 0
3 years ago
What is the radius and diameter of the following circle?
siniylev [52]

Answer:

?

Step-by-step explanation:

Where's the circle?

3 0
3 years ago
Read 2 more answers
How would you describe <br> The Riemann Hypothesis
vodka [1.7K]

Answer:

One of the hardest math problems ever.

Step-by-step explanation:

In mathematics, the Riemann hypothesis is a conjecture that the Riemann zeta function has its zeros only at the negative even integers and complex numbers with real part. Many consider it to be the most important unsolved problem in pure mathematics.

3 0
3 years ago
Escape what is on sale for 60% off the regular $80 price what is the sales price
mylen [45]

Answer:

$32 is the sales price.

Step-by-step explanation:

First, change the percentage to a decimal.

60% = 60/100 = 0.6

Next, multiply 0.6 with the regular price ($80)

80 x 0.6 = 48

$48 is the discount. Subtract from the original price

80 - 48 = 32

$32 is the sales price.

~

8 0
4 years ago
Read 2 more answers
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