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EleoNora [17]
3 years ago
10

Slove the system

Mathematics
1 answer:
ratelena [41]3 years ago
6 0

Answer:

12

Step-by-step explanation:

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Bella drove 270 miles in six hours how many miles does she drive per hour
deff fn [24]

Answer:

45

Step-by-step explanation:

270/6 = 45

haha Bella is my nickname

5 0
3 years ago
Which choice correctly shows the solution(s) of the equation x2 = 625?
dybincka [34]

Did you mean x^2? Then, the answer is x = +/- \sqrt{625}, which is +/- 25.

7 0
3 years ago
Im learning about Recursive and Explicit in Pre-Calc, and it says to use the rule to write the first three terms of each sequenc
Tems11 [23]

Hello,

4. you have sequences defined by the first term and a recursive relation.

a_1=3\\\\a_n=2a_{n-1} \ \ \text{ for n}> 1

Take n = 2, it gives

a_2=2a_1 , right?

But you know a_1=3

so a_2=2a_1=2*3=6

This is the second term. You are asked to find the first three terms.

Now, let's take n = 3

a_3=2a_2=2*6=12

So the first three terms are 3, 6, 12.

6.

a_1=12\\\\a_2=\dfrac{1}{2}a_1+1=\dfrac{12}{2}+1=6+1=7 \\ \\a_3=\dfrac{1}{2}a_2+1=\dfrac{7}{2}+1=\dfrac{9}{2}

8.

a_1=10\\ \\a_2=-3a_1=-3*10=-30\\\\a_3=-3a_2=-3*(-30)=90

10.

a_1=2\\\\a_2=-1\\\\a_3=a_2+a_1=-1+2=1\\\\a_4=a_3+a_2=1-1=0

Do not hesitate if you have any question.

Thank you

8 0
4 years ago
Help pls also show work if needed!
coldgirl [10]
250 words in 5 minutes
3 0
3 years ago
Read 2 more answers
Evaluate the expression 72/x2-2 for x=3
Rzqust [24]

Answer:46

Step-by-step explanation:

7 0
3 years ago
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