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Sveta_85 [38]
2 years ago
12

Four times a number x is at least 16

Mathematics
2 answers:
Angelina_Jolie [31]2 years ago
7 0

Answer:

4

Step-by-step explanation:

4x=16

x=4

egoroff_w [7]2 years ago
3 0
Answer: 4x >= 16
x >= 4
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If f(x) = -7x+2 and g(x) = square root of x+3,<br> what is (fºg)(-2)?
Degger [83]

Answer:

(fog)(-2)=-5

Step-by-step explanation:

Given

f(x)= -7x+2

and

g(x)= √(x+3)

For finding (fog)(-2), we have to find (fog)(x) first

In order to find (fog)(x) we will put the value of g(x) in f(x) in place of x.

(fog)(x)= -7g(x)+2

Putting the value of g(x)  

(fog)(x)= -7√(x+3)+2

We have to find (fog)(-2), so we have to put at the place of x in the composition

(fog)(-2)= -7√(-2+3)+2

(fog)(-2)= -7√1+2

= -7(1)+2

= -7+2

=-5

So,

(fog)(-2)=-5

6 0
3 years ago
Read 2 more answers
Which number(s) below belong to the solution set of the equation? Check all that apply.x + 12 = 13A.14B.1C.13D.312E.0F.25
Darya [45]
X + 12 = 13
x = 13 - 12
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The only solution is x = 1
letter B
4 0
3 years ago
Monty documented the amount of rain his farm received on a monthly basis, as shown in the table.
hammer [34]

Answer:

No

Step-by-step explanation:

Because we need to see the table and information provided on the table otherwise we can't help you solve your problem.

5 0
3 years ago
5x-18&lt;-8 I need help step by step
drek231 [11]

Answer:

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Step-by-step explanation:

5x - 18 <  - 8 \\ 5x - 18 + 18 <  - 8 + 18 \\ 5x < 10 \\  \frac{5x}{5}  <  \frac{10}{5}  \\ x < 2

8 0
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George and carmen went on a bicycle trip. they took a bus to their starting piont, and then biked the rest. they traveled 275 ki
rodikova [14]
We need to do a system of equations here.

x + y = 275 (if you travel <em>x</em> km by bike and <em>y </em>km by bus, then you travel 275 km as given in the problem)
y = x + 55 (the problem stated that they were bussed (y) the amount they biked plus 55 more km (x + 55))

The second equation is already solved for y. So, we can plug it in to the first equation.

x + (x + 55) = 275
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2x = 220 [subtract 55 from both sides]
x = 110 [divide by 2 to isolate x and solve for it]

Now we know that x is 110, the distance they traveled by bike.
And that's what we needed to answer the problem!
5 0
3 years ago
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