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ArbitrLikvidat [17]
2 years ago
15

WHOEVER ANSWERS FIRST GETS BRAINLY

Mathematics
1 answer:
denis-greek [22]2 years ago
7 0

Answer:

y=2.65x+2.50

Step-by-step explanation:

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(x+4)^2 - (x-6)^2 - (x-1)*(x+1)
Murrr4er [49]

Answer:

-9

Step-by-step explanation:

3 0
2 years ago
at a museum, a model of a rocket is 3 feet high. the model has a scale of 1 foot to 121 feet. the museum manager will create a n
notka56 [123]

Answer:

0.79 ft ≈ For 30 feet

Step-by-step explanation:

This is even a tricky question for me, I am pretty sure this would be around 0.79 feet. But I am not too sure so I am very sorry if I am incorrect.

I hope this helps, if it doesn't then just message me and ill be more than happy to help :)

3 0
2 years ago
Read 2 more answers
The softball team stopped for ice cream after a big game. five 2-scoop cones cost the same as three sundaes. If they bought nine
Savatey [412]
<span>Let the cost of 2-scoop cones be x, and the cost of sundaes be y.
The first statement tells us that 5x = 3y
The second statement tells us that 9x + 6y = 19.95
Then we need to calculate the value of y (the cost of a sundae).
From our first equation, y = 5x/3. Substituting this into the second equation:
9x + 6(5x/3) = 19.95
9x + 10x = 19.95
19x = 19.95
x = 1.05
Substituting back into the first equation: 5(1.05) = 3y
5.25 = 3y
y = 1.75
Therefore the cost of a sundae is $1.75.
</span>
3 0
3 years ago
The paper feed on a copying machine has room for a stack of paper 4.0 cm high. If 10 sheets of paper are 0.08 cm thick, how many
Vladimir [108]
I believe it’s 0.4cm ...
5 0
2 years ago
Imagine a population of birds with an initial size of 100, a per-capita birth rate of 2, and a per-capita death rate of 1 per ye
Soloha48 [4]

Answer:

3200

Step-by-step explanation:

Given that:

The initial population of birds N_0 = 100

The time duration t = 5 years

Growth rate (r) = (Birth - Death) rate

= 2 - 1

= 1 / year

∴

using the discrete-time form:

N_t = N_o (1 + r )^t

N_t = 100 (1 + 1 )^5

N_t = 100 (2 )^5

N_t = 100 \times 32

N_t = 3200

8 0
2 years ago
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