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inn [45]
2 years ago
11

Let a, b, and c be constants, and let x be a variable. Which of the following is

Mathematics
1 answer:
Nonamiya [84]2 years ago
5 0

Answer:

C

Step-by-step explanation:

We have:

a(x+b)

Where a<0.

We would like to solve for a. So, let’s divide both sides by a.

Notice that a<0. Therefore, a is negative. Hence, we must flip the sign since we are dividing by a negative. This yields:

x+b>\frac{c}{a}

Now, we will subtract b from both sides. Therefore, our inequality is:

x>\frac{c}{a}-b

Hence, our answer is C.

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earnstyle [38]
cos (x)  \leq \frac{sin (x)}{x}  \leq 1

Apply limit as x->0
8 0
3 years ago
25 points
elixir [45]
C. 4x + y = 21

4(3) + 9 = 21
12 + 9 = 21
21 = 21
8 0
3 years ago
Read 2 more answers
1. Which would be a more helpful for solving the system: adding the two equations or subtracting
ira [324]

Answer:

1) Subtracting one from the other

2) x = 0.375 and y = 0.125

Step-by-step explanation:

Equation 1 :

\frac{2x+1}{2y}=7\\\\

Equation 2:

\frac{6x-1}{2y}=5

To solve these equations by the Elimination method we multiply equation 1 with 6 and multiply equation 2 with 2 so now,

\frac{2x+1}{2y} =7\\\\2x+1=14y\\\\Multiplying\ Equation\ 1\  with\ 6\\\\12x+6=84y

Now for the second equation:

\frac{6x-1}{2y}=5\\\\6x-1=10y\\\\Multiplying\ equation\ 2\ with\ 2 \\\\12x-2=20y

Now subtracting equation 2 from equation 1

12x+6=84y\\\\12x-2=20y\\\\Subtracting\ leads\ to\\12x-12x+6-(-2)=84y-20y\\0+8=64y\\8=64y\\8/64=y\\0.125=y

now insert this value of y into any equation

lets insert it into equation 1

\frac{2x+1}{2y} =7\\\\2x+1=14y\\2x+1=14(0.125)\\2x+1=1.75\\2x=1.75-1\\2x=0.75\\x=0.75/2\\x-0.375

5 0
3 years ago
Help me pls the photo attached is the question quick pls ill give brainliest answer​
andriy [413]

Answer:

12:18 and 20:30

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=938%20%5Ctimes%206" id="TexFormula1" title="938 \times 6" alt="938 \times 6" align="absmiddle"
Assoli18 [71]

938* 6=

5628

The answer s 5628

6 0
3 years ago
Read 2 more answers
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