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Pani-rosa [81]
2 years ago
8

When graphing an inequality on a number line, an open circle means which of the following?

Mathematics
2 answers:
Troyanec [42]2 years ago
6 0
Use an open circle for "less than" or "greater than", and a closed circle for "less than or equal to" or "greater than or equal to". The solution set for this problem will be all values that satisfy both -3 < x and x < 4.
Sliva [168]2 years ago
4 0

Answer:

Does NOT include the number the circle is placed on

Step-by-step explanation:

I don't see the answer choices that you have, so this is the best I could do! Hoped it helped!

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Expand and simplify (5x+2)(2x+3)
Tamiku [17]

Answer:

10ˣ² +19ˣ + 6

Step-by-step explanation:

5ˣ(2x + 3) + 2 (2x + 3 )

10x² + 15x + 2(2x + 3 )

10x² + 15x + 4x + 6

= 10x² + 19x + 6

8 0
2 years ago
Read 2 more answers
F(x) = 2(2)2 – 3(2) + 7
bija089 [108]

Answer:

9

Step-by-step explanation:

f(x) = 2(2)² - 3(2) + 7

f(x) = 8 - 6 + 7

f(x) = 2 + 7

f(x) = 9

4 0
3 years ago
Help anyone ? Pls n thank you
Ostrovityanka [42]

Answer:

3^{6} =729

Step-by-step explanation:

3^{6} ÷ 3^{5} = X ÷ 243 =3

So X = 3×243= 729

4 0
2 years ago
For the function: f(x) = 4 + 4x - 4x²<br> Find f(2)
Eddi Din [679]

Answer:

f(x) = -4

Step-by-step explanation:

Given function: f(x) = 4 + 4x - 4x²

Here, we are being asked to find the value of the function when x is equal to 2.

Substitute 2 as the value of x in the function and simplify:

⇒ f(x) = 4 + 4x - 4x²

⇒ f(2) = 4 + 4(2) - 4(2)²

⇒ f(2) = 4 + 8 - 4(4)

⇒ f(2) = 4 + 8 - 16

⇒ f(2) = 12 - 16

⇒ f(2) = -4

This means that when the value of x is 2, the value of the function is -4.

Learn more here:

brainly.com/question/27798296

brainly.com/question/20922457

5 0
1 year ago
Read 2 more answers
a pool is the shape of a rectangle has a perimeter of 80 feet. The pool is 8 feet less wide than it is long. Find the length and
Salsk061 [2.6K]

Answer:

Length= 24 feet

Width= 16 feet

Step-by-step explanation:

Equation 1) Perimeter = 2L+2W

Equation 2) Perimeter = 80

Equation 3) L-8=W

1) Substitute L-8 as W in the first equation, and 80 as the Perimeter:

2L+2(L-8)=80

2) Distribute 2 to L and -8:

2L+2L-16=80

3) Add 16 to both sides, and combine alike terms:

4L=96

4) Divide both sides by 4:

L=24

5) Substitute 24 as L in the third equation:

24-8=W

6) Solve:

W=16

7 0
3 years ago
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