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Lina20 [59]
2 years ago
12

Can anyone answer these 4?

Mathematics
1 answer:
Scorpion4ik [409]2 years ago
4 0
1. -3p^3+7p^2-3
2.5a^2x(a-1)
3.6+7n^3
4.-6n^3
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What is the domain and range of the square root of x+3-1?
Nata [24]

Answer:

\large\boxed{\text{The domain:}\ x\geq-3\to x\in[-3,\ \infty)}\\\boxed{\text{The range:}\ y\geq-1\to y\in[-1,\ \infty)}

Step-by-step explanation:

y=\sqrt{x+3}-1\\\\The\ domain:\\\\x+3\geq0\qquad\text{subtract 3 from both sides}\\\\x\geq-3\to x\in[-3,\ \infty)\\\\The\ range:\\\\\sqrt{x+3}\geq0\qquad\text{subtract 1 from both sides}\\\\\sqrt{x+3}-1\geq-1\\\\y\geq-1\to y\in[-1,\ \infty)

4 0
3 years ago
Someone help please and make sure the answer is right plz :)
IgorC [24]
The angles are corresponding, and the lines are parallel. This means the angles are equal. What can you add to 53 to get 50°? -3.
8 0
2 years ago
Read 2 more answers
Which exponential function matches the graph below?
Stolb23 [73]

Answer:

b

Step-by-step explanation:

just only do B

where x=0, y=2

6 0
2 years ago
ANSWER NEEDED!!!! HELP ME!!!!
IgorLugansk [536]
Inequalties work pretty much like equations except when we multiply or divide both sides by a negative number we have to flip the sense.  If we don't know the factor's sign, we can't multiply by it.

3x + 4 \ge 13

3x \ge 9

x \ge 3

OR

2x - 1 \le -11

2x \le -10

x \le 5

Last choice.


3 0
3 years ago
Read 2 more answers
Julio is paid 1.2 times his normal hourly rate for each hour he works over 29 hours in a week. Last week he worked 34 hours and
sergey [27]

It is given in the question that,

Julio is paid 1.2 times his normal hourly rate for each hour he works over 29 hours in a week. Last week he worked 34 hours and earned $434.00.

And Julio's normal hour rate is r.

So the earning equation is

434 = 29r + (34-29)(1.2r)

434 = 29r + 5(1.2r)
\\
434 = 29r + 6r
\\
434 = 35 r
\\
r = $12.40

This is reasonable, because working 34 hours with a rate of $12 per hour is

34*12 = 34(10+2) = 340 +68 = $408

And $408 is close to $434.

4 0
3 years ago
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