2 years ago

20 points and brainloest if you answer correctly

Mathematics

1 answer:

makkiz [27]2 years ago

7 0

Answer:im not in collg3 but is this correct c

Step-by-step explanation:give me brianlest i fis correct

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(3x-4)(x+5)= I need help with this fast

natali 33 [55]

Answer:

3x^2+11x-20

Step-by-step explanation:

step 1 3x(x+5)-4(x+5)

step 2 3x(x+5)-4(x+5)= 3x^2+15-4(x+5)

step 3 3x^2+15x-4x+20

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2 years ago

Julie wishes to begin making monthly deposits into a savings account which earns 5% interest annually. if she intends to have sa

PtichkaEL [24]

Ok... simple enough. 8,500 / 3 = 2,833.33 2,833.33 * .05 (5%) = $141.66 intrest annuelly how much is your aproximate intrest earning at the end of 3 years?

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2 years ago

Write a function in terms of t that represents the situation.

yuradex [85]

Given that opulation of 100,000 decreases by 2% each year.

Now question says to write a function in terms of t that represents the situation.

Question is talking about population decrease so we can apply decay formula. which is given by:

$P(t)=P_0(1-r)^t$

Where A is the population at any time t.

$P_0$ is the initial population so $P_0=100000$

r is the rate of decrease so r=2%=0.02

t is the number of years

Now plug those values, we get:

$P(t)=100000(1-0.02)^t$

$P(t)=100000(0.98)^t$

Hence required function is $P(t)=100000(0.98)^t$ .

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2 years ago

Determine the sum of the first 27 even Natural Numbers.<br> 378<br> 2,700<br> 270<br> 756

kicyunya [14]

Answer:

this is called AP arithmetic progression

2, 4, 6.........

sn=n/2(2a+(n-1)d)

S27=

$\frac{27}{2 } (2 \times 2 + (27 - 1)2)$

$\frac{72}{2} (4 + (26 \times 2)$

$\frac{27}{2} (4 + 52)$

$\frac{27}{2} \times 56$

$27 \times 28$

=756

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1 year ago

What type of function is represented by the table of values below? X:1,2,3,4,5 X:4,8,12,16,20 A.cubic B.exponential C.quadratic

Lynna [10]

Answer:

Step-by-step explanation:

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2 years ago