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Rina8888 [55]
3 years ago
8

I need help with this please f(x) = x^2 - 5x - 1

Mathematics
1 answer:
White raven [17]3 years ago
5 0

Answer:

Therefore the answer is 7

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What is the answer for this Evaluate 3|-3|.
zhenek [66]

Answer: 9

Concept:

Here, we need to know the idea of absolute value.

The<u> absolute value</u> of a number or integer is the actual distance of the integer from zero, in a number line.

There are <u>no negatives </u>in absolute value. So in practice "absolute value" means to remove any negative sign in front of a number, and to think of all numbers as positive.

Solve:

<u>Given</u>

3 |-3|

<u>Expand absolute value sign, which means making [-3] positive</u>

= 3 × (3)

<u>Simplify by multiplication</u>

= \boxed{9}

Hope this helps!! :)

Please let me know if you have any questions

4 0
3 years ago
Read 2 more answers
Hilary bought two new books for $5.25 each and three used books for $2.50 each. Shipping costs $5.00 total for the first two ite
KatRina [158]

Answer:

26.75

Step-by-step explanation:

7 0
3 years ago
Help Me Now!!!<br> need help with b c and d
algol [13]

Answer:

b) Take the current height, and add up 15.

c) y = 80x + 15

where y is the height of the water in the pool, in centimeters

where x is the time since the hose is in the pool, in hours

d) 180 = 80x + 15

165 = 80x

x = 165/80 = 2.0625 hours, which is also 2 hours and 3 minutes.

8 0
3 years ago
Find the circumference. use 3.14 for π r=2 cm c=? c=π d<br> help please
Helga [31]

Answer:

C = 12.56m

Step-by-step explanation:

circumference is the distance around the outside of a circle. The r stands for radius, half way across, from the center(thats the little line on the diagram) "d" stands for diameter. That would be double the radius, bc its all the way across the circle through the center. The formula to find the CIRCUMFERENCE is given, C=pi × d

They told you to use 3.14 for pi. And also the radius is 2, so the diameter is 4

C = pi × d

C = 3.14 × 4

C = 12.56 meters

5 0
3 years ago
If AD=BD, which of the following relationships can be proved and why?
myrzilka [38]

Answer: The answer would be b, the side-angle-side postulate. :)

Step-by-step explanation:

This would be due to the definition of a bisector, and the reflexive property.

3 0
3 years ago
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