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xxTIMURxx [149]
3 years ago
15

Does anyone know what this n does in the equation? (x + 5 < 4) ∩ (x - 3 > -6).

Mathematics
1 answer:
Andreas93 [3]3 years ago
8 0

Answer:

The symbol ∩ signifies the intersection of the left operand and the right operand. Here, it means "and", as it often does.

Step-by-step explanation:

The solution to the left inequality is x < -1.

The solution to the right inequality is x > -3.

The intersection symbol (∩) means you are interested in the interval where these solutions overlap—the intersection of the solutions: -3 < x < -1; (-3, -1) in interval notation.

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Please help......!!!
azamat
I am not sure what it is
3 0
4 years ago
The number of children at the library was 3 times the number adults. The total number of people at the library was 48. How many
Rufina [12.5K]

Answer:

D 36

Step-by-step explanation:

<em>Write the information algebraically</em>

c = 3a

c + a = 48

c = children, a = adults

<em>In the second sentence (in bold), we can replace c with 3a</em>

c + a = 48 → 3a + a = 48

<em>Simplify</em>

3a + a = 48 → 4a = 48 → a = 12 (divide both sides by 4)

<em>We can then substitute or plug in a = 12 into the original equation:</em>

c + a = 48 → c + 12 = 48 → c = 36 (subtract 12 from both sides)

<h3>There are 36 children</h3>
7 0
3 years ago
Boadu and Ansah formed a company and agreed that their annual profit will be shared in the ratio 4:5 respectively. If at the end
MArishka [77]

Answer:

Step-by-step explanation:

5 0
3 years ago
The algebraic expression 4 + 2y represents the perimeter of a rectangle with width 2 and length y. L M 2 MIMIMINI (a) Complete t
Elenna [48]

just listen to ur teacher and u will learn something LOL

3 0
3 years ago
Please help I only have 5 minutes left!
Zinaida [17]
Hi Briana.

All triangles have a total internal measurement of 180 degrees from their angles. Isosceles triangles have two similar side lengths, and one different side length also known as the base. Considering we have the base, we can determine the side lengths by using the following equation:
2x + 24 = 96
Let's get to solving!

2x + 24 = 96; subtract 24 from both sides.
2x = 72; divide both sides by 2 to solve for the measurement of each side length.
x = 36;

Your answer is B.) 36

I hope this helps!
3 0
3 years ago
Read 2 more answers
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