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Nutka1998 [239]
3 years ago
14

What is |x-1| 2 absolute value?

Mathematics
1 answer:
docker41 [41]3 years ago
4 0
I think its 2 if not +1 
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A bag of dog food contains 42 cups of dog food. Your dog eats 2 1/3 cups of dog food each day. How many days does the bag of dog
leva [86]

Answer: you keep adding 2 and 1/3 to get your answer. 18 day so the dog food should last up to 18days hope this helps

Dont take my word not 100% sure

3 0
3 years ago
A 13.5-meter ladder leans against a brick wall and the ladder makes a 75∘ with the wall. The distance d the ladder goes up the w
Alex73 [517]

Answer:

3.5 m

Step-by-step explanation:

Use Pythagorean theorem to find the distance (d) the distance goes up the wall = adjacent to the angle 75° that is formed with the wall.

Length of ladder = the hypothenuse = 13.5 m

Thus, we would use:

Cos75 = adjacent/hypothenuse

Cos 75 = d/13.5

Multiply both sides by 13.5

13.5*cos(75) = d

13.5*0.2588 = d

3.4938 = d

d ≈ 3.5 m (nearest tenth)

3 0
3 years ago
Which function has zeroes at npi/2, where n is an odd integer. Select two of the following that apply.
Andrews [41]

Answer:

y=cosx

y=cotx

Step-by-step explanation:

The trigonometric function;

y=\cos(x) has zeroes at \frac{n\pi}{2} where n is an odd integer.

The trigonometric function; y=cot x=\frac{cosx}{sinx}. This also has zeroes at \frac{n\pi}{2} where n is an odd integer.

4 0
3 years ago
Read 2 more answers
Will calculators or computers be needed to perform some calculations?
STatiana [176]
I think the answer would be no. We create computers so we can do the problems ourselves. maybe eventually the asnwer will be yes, but for now i think they just solve equations quicker than the average human brain. hope this helps!
7 0
3 years ago
Read 2 more answers
A refrigerator costs $580 a year to run. A family purchases a new one for $1200 that will save them 22% annually in energy costs
NeTakaya

Answer:

It will take nine years and four months for the refrigerator to pay for itself.

Step-by-step explanation:

The new refrigerator which costs $1200, saves the family 22% annually in energy cost.

Since the old refrigerator costs $580 to run, we want to determine how many years it will take for 22% of $580 per year to make $1200.

22% of $580

= 580 × 0.22

= 127.6

That is, it saved then $127.6 per year.

Now,

$1200/127.6

≈ 9.4

Which means, it will take 9 years and 4 months for the refrigerator to pay for itself.

7 0
2 years ago
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