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3 years ago

Solve the inequality lxl <5.

Mathematics

1 answer:

Lorico [155]3 years ago

7 0

Answer:

can you check if you wrote this correctly

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Help anyone can help me do this question 2,I will mark brainlest.

Gnom [1K]

Answer:

$n(x) = 8 \: n(y) = 12 \\ n(x\: u \: y) = 8 + 12 \\ n = 20$

3 0

3 years ago

Question 1 Find the Mean of the following set of data values. 46, 57, 68, 63, 49, 52, 61, 68

Zielflug [23.3K]

The mean would be 58!! Basically what you’re doing to get the mean is adding all of the numbers together and dividing by how many you’re adding. In this case, you would add all of the numbers and divide by 8 because you have 8 numbers ! :D

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2 years ago

Solving linear-quadratic systems algebraically y+2=(x-3)^2 y+3=x

Vikentia [17]

Answer:

(2, - 1 ) and (5, 2 )

Step-by-step explanation:

y + 2 = (x - 3)² → (1)

y + 3 = x ( subtract 3 from both sides )

y = x - 3 → (2)

Substitute y = x - 3 into (1)

x - 3 + 2 = (x - 3)² ← expand using FOIL

x - 1 = x² - 6x + 9 ( subtract x - 1 from both sides )

0 = x² - 7x + 10 ← in standard form

0 = (x - 2)(x - 5) ← in factored form

Equate each factor to zero and solve for x

x - 2 = 0 ⇒ x = 2

x - 5 = 0 ⇒ x = 5

Substitute these values into (2) for corresponding values of y

x = 2 : y = 2 - 3 = - 1 ⇒ (2, - 1 )

x = 5 : y = 5 - 3 = 2 ⇒ (5, 2 )

5 0

3 years ago

$ 14.95 dinner , 15 % tip

kkurt [141]

$14.95+15%=$17.19 so the tip is $2.24

5 0

3 years ago

Can y’all help me on this one What’s the answer?

Rudik [331]

Answer:

x = 2

Step-by-step explanation:

First translate the image into an equation using the key. Once you do that, your equation should look like this:

(x + x + x) + (-1 + -1 + -1 + -1 + -1) = (-x + -x) + (1 + 1 + 1 + 1 + 1)

________________________________

3x - 5 = -2x + 5

(given)

________________________________

3x - 5 = -2x + 5

+5. +5

(addition property of equality)

*cancel out -5 on the left hand side, and isolate it from x by adding +5 on each side*

__________________________

3x = -2x + 10

+2x +2x

(addition property of equality)

*cancel out the negative 2x, and isolate it from the constant term on the right hand side by adding 2x on both sides*

________________________________

5x = 10

÷5. ÷5

(division property of equality)

*divide by 5(GCF) on both sides to isolate

x by itself*

________________________________

x = 2

________________________________

If you want to test this solution, substitute this back into the equation.

x = 2 → 3x - 5 = -2x + 5. 3(2) - 5 = -2(2) + 5 = 6 - 5 = -4 + 5 = 1 = 1

7 0

3 years ago