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sweet-ann [11.9K]
3 years ago
5

Help asap pleaseeeee

Mathematics
1 answer:
Elena-2011 [213]3 years ago
6 0
The answer is "above" because the inequality says 2x - 2 > 2 meaning the values must be are greater than that of y = 2.
Its not "intersects" because it would be the equation 2x - 2 = 2
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A truck can be rented from Company A for ​$70 a day plus ​$0.50 per mile. Company B charges ​$20 a day plus ​$0.60 per mile to r
r-ruslan [8.4K]

Answer:

The rental cost for Company A and Company B will be the same after 500 miles

Step-by-step explanation:

The total cost of renting a truck from Company A can be expressed as;

Total rental cost(Company A)=Cost per day+Total rate

where;

Cost per day=70

Total rate=rate per mile×number of miles (m)=(0.5×m)=0.5 m

replacing;

Total rental cost(Company A)=70+0.5 m...equation 1

2. The total cost of renting a truck from Company B can be expressed as;

Total rental cost(Company B)=Cost per day+Total rate

where;

Cost per day=20

Total rate=rate per mile×number of miles (m)=(0.6×m)=0.6 m

replacing;

Total rental cost(Company B)=20+0.6 m...equation 2

Equating equation 1 to equation 2

70+0.5 m=20+0.6 m

0.6 m-0.5 m=70-20

0.1 m=50

m=50/0.1

m=500 miles

The rental cost for Company A and Company B will be the same after 500 miles

7 0
3 years ago
At a café, a cup of coffee costs $2.82. To use exact change, you must hold the number 2.82 in your head while sorting through yo
Stolb23 [73]

Answer:

Working memory

Step-by-step explanation:

Working memory is a system the brain uses  for temporarily storing and managing the information required to carry out complex cognitive tasks. The central executive part of the prefrontal cortex at the front of the brain is responsible for working memory. It serves as a temporary store for short-term memory, where information is kept available while it is needed for current reasoning processes.

So to be successful in holding the number 2.82 in my head while sorting, one must keep the information maintained in short-term storage by using one's working memory.

5 0
3 years ago
For the model to be to scale, the ratio of the height to the side length should be the same for both the actual pyramid and the
Alex787 [66]

Answer: yes it’s close

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How do you find the length of the curve x=3t−t3x=3t-t^3, y=3t2y=3t^2, where 0≤t≤3√0<=t<=sqrt(3) ?
taurus [48]
It's simple, you just have to do this:

L=\int\limits_{a}^{b}\sqrt{\left(\frac{dx}{dt}\right)^2+\left(\frac{dy}{dt}\right)^2}~dt

x=3t-t^3

\frac{dx}{dt}=3-3t^2

y=3t^2

\frac{dy}{dt}=6t

replacing

L=\int\limits_{0}^{\sqrt{3}}\sqrt{\left(3-3t^2\right)^2+\left(6t\right)^2}~dt

L=\int\limits_{0}^{\sqrt{3}}\sqrt{9-18t^2+9t^4+36t^2}~dt

L=\int\limits_{0}^{\sqrt{3}}\sqrt{9+9t^4+18t^2}~dt

L=\int\limits_{0}^{\sqrt{3}}\sqrt{(3t^2+3)^2}~dt

L=\int\limits_{0}^{\sqrt{3}}(3t^2+3)~dt

L=t^3+3t|_0^{\sqrt{3}}

\boxed{\boxed{L=3\sqrt{3}+3\sqrt{3}=6\sqrt{3}}}
8 0
2 years ago
What is the coefficient in the expression shown? <br><br> 42 + 2c<br><br> 2<br> 42<br> c<br> 2c
GaryK [48]

Answer:

The coefficient is 2

6 0
2 years ago
Read 2 more answers
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