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kondor19780726 [428]
2 years ago
7

Which of the following makes sense as an answer to 8.9 *7.15

Mathematics
1 answer:
V125BC [204]2 years ago
5 0

Answer:

so whats the answer

Step-by-step explanation:

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PLS_HELP
Sindrei [870]

Answer: x = 3.4

Step-by-step explanation: took the test and got it right. if you need help on this kind of work u can use things like (graphing gens) or math to help you more.

4 0
3 years ago
How do you solve secx-2=0
siniylev [52]
It will be secx = 2
or, cosx = 1/2
or x = Π/3 , 5Π/3
5 0
3 years ago
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kkurt [141]

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30.

Factors of 70: 1, 2, 5, 7, 10, 14, 35, 70

factorization of 45 is 5 x 3 x 3, or 5 x 3^2.

3 0
3 years ago
Determine the arithmetic sequence if the fourth term is negative six and the eleventh term is negative thirty four
ICE Princess25 [194]
An arithmetic sequence takes the form

a_n=a_{n-1}+d

where d is the common difference between terms. You can solve for a_n in terms of any of the previous terms of the sequence:

a_n=a_{n-1}+d\implies~a_n=a_{n-2}+2d\implies~a_n=a_{n-3}+3d\implies\cdots\implies~a_n=a_{n-k}+kd

for some integer 1\le k\le n-1

Continuing in this way, you know that the sequence can be defined explicitly in terms of the first term a_1

a_n=a_1+(n-1)d

Given that the 4th term is a_4=-6 and the 11th term is a_{11}=-34, you have the following system of equations.

\begin{cases}-6=a_1+(4-1)d\\-34=a_1+(11-1)d\end{cases}

Solving this system for the two unknowns yields a_1=6 and d=-4.

So, the sequence is given explicitly by

a_n=6+(n-1)(-4)=-4n+5
3 0
3 years ago
10 workers build a wall in 4 days. how many workers are needed to build 4 such walls in 5 days
My name is Ann [436]

Answer:

wokers lot

Step-by-step explanation:

5 0
3 years ago
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