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Stells [14]
2 years ago
12

Evaluate f(x) = -x^2 1 for x=-3

Mathematics
1 answer:
Lynna [10]2 years ago
7 0

Answer: 9

Step-by-step explanation: -(-3)=3^2=9

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A traintravels 200 kilometers in 2.5 hours. whatis the trains average speed per hour
marusya05 [52]
I think it may be 80 km/h?
5 0
3 years ago
You are preparing a chemical hazard label for a new product. you know that the product is flammable. what pictogram should be on
lilavasa [31]

A graphic logo that depicts the meaning of any warning or sign through pictorial illustrations is called a pictogram. It can be used in chemicals, laboratories, geography or tourism. The label should have: Flammable and Health Hazard!

<h3>What is a pictogram?</h3>

The pictogram can be explained as: According to the above description, the label sign should have a warning sign of flammable as it can catch and cause fire, a health hazard as it can cause corrosion, carcinogenic and irritation followed by an exclamation mark.

The flammable sign depicts that the substance can cause and catch fires also it can contain pyrophoric. It is cancer-causing, respiratory irritant and toxic hence is hazardous to health.

The exclamation mark is used at the end of the sentence for showing awareness and to convey the meaning of the sign.

Therefore, Flammable and Health Hazard! the sign should be used.

To learn more about pictograms follow the link:

brainly.com/question/14266873

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5 0
2 years ago
What sample size would you need in order to have a 94% confidence interval that is 8% wide? Do this calculation twice: once with
balu736 [363]
U would need 25% to equal wide
3 0
3 years ago
There are 14 dogs in a particular class at a dog show. Blue, red, yellow, and white ribbons will be awarded to the first through
stira [4]
There are 14 possibilities for first place.
There are 13 possibilities for second place, since a dog can't get both first and second place.
There are 12 possibilities for third place, since a dog can't get both first, second, and third place.
There are 11 possibilities for fourth place, since a dog can't get both first, second, third, and fourth place.

Multiply them together and get 24024 possibilities.

Hope this helps!

4 0
3 years ago
Help me with this guys !! (a lot is points like 80) PLEASEEE HELP
vaieri [72.5K]

Answer:

1) 24

2) 24

3) b. 9n +5

Step-by-step explanation:

1) substitute

4(7) + 2(-2)

solve

28 + -4

24

2) substitute

P = (2)(3)(4)

multiply

24

4) im not sure, my apologies

5) i'm not sure, i don't understand what's being asked, if you rephrase this, i can give you an answer

have a lovely day <3

5 0
2 years ago
Read 2 more answers
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