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Rudik [331]
2 years ago
15

Solve for a. – 2a+5≤7 eazy 20 points

Mathematics
2 answers:
juin [17]2 years ago
6 0

Answer:

a+5=3.5

or a= -1.5

Step-by-step explanation:

2a+5≤7

now divide 2 into 7

then that 7 would be 3.5 so

a+5=3.5

and a would equal

-1.5

Lena [83]2 years ago
4 0

Answer:

6

Step-by-step explanation:

What minus 5 equals 7? That's right, 12. what times 2 equals 12? 6

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1/20 written as a decimal
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Divide 1 by 20.
1÷20= 0.05
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2 years ago
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3 years ago
If y=1/2x+4, then find the equation of the line parallel through the point (6,3).
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Answer:

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2 years ago
What are the formulas for COS, TAN, and SIN?
Doss [256]
I'm guessing that you don't really want the formulas.  I think what you actually want
is the definitions of those functions of an acute angle when it's in a right triangle.

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8 0
3 years ago
Find the next 2 terms in the Geometric sequence 20,30,45 ...
DochEvi [55]

Answers:

The next two terms are 67.5 and 101.25 in that order.

===========================================

Explanation:

Divide the second term over the first to get 30/20 = 1.5

Divide the third term over the second term to get 45/30 = 1.5

The common ratio is 1.5, which means we multiply 1.5 by each term to get the next term

-------

fourth term = 1.5*(third term) = 1.5*45 = 67.5

fifth term = 1.5*(fourth term) = 1.5*67.5 = 101.25

-------

As a shortcut you can plug n = 4 and n = 5 into the function t(n) = 20*(1.5)^(n-1) to get the fourth and fifth terms respectively.

3 0
2 years ago
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