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vfiekz [6]
1 year ago
7

−9x+2>18 OR 13x+15≤−4 solve for x please

Mathematics
1 answer:
Vlad [161]1 year ago
4 0

Inequalities help us to compare two unequal expressions. The value of x must be less than -19/13.

<h3>What are inequalities?</h3>

Inequalities help us to compare two unequal expressions. Also, it helps us to compare the non-equal expressions so that an equation can be formed. It is mostly denoted by the symbol <, >, ≤, and ≥.

The given inequalities can be simplified as,

1.)

−9x+2>18

−9x>18-2

−9x>16

x < -16/9

Thus, the value of x must be less than -16/9.

2.)

13x+15≤−4

13x ≤ -19

x ≤ -19/13

Thus, the value of x must be less than -19/13.

For the given condition −9x+2>18 OR 13x+15≤−4, the value of x must follow any one of the inequality. Hence, the value of x must be less than -19/13.

Learn more about Inequality:

brainly.com/question/19491153

#SPJ1

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Answer and Step-by-step explanation:

1.

Since we known how much money Jane and Mark have in total, we can subtract the amount Jane has to find the amount Mark has.

750 - 175 = $575

<u>Mark has $575.</u>

2.

We know how many cards Jamal sold, so if we add it to the amount he still has left, we can find the original amount of cards Jamal had.

17 + 83 = 100

Jamal had 100 cards.

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2 years ago
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2/3 is what percent of 1/4
asambeis [7]

Answer:

267%

Step-by-step explanation:

you need to divide the second number by the first. This will give you the percentage.

2/3 ÷ 1/4 = 8/3 = 2.67 = 267%

6 0
3 years ago
A triangle has a side lengths of 34in., 28in., and 42in. is the triangle an acute, right, or obtuse?
jenyasd209 [6]
It would be an acute
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2 years ago
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A roulette wheel has 38 3838 slots, of which 18 1818 are red, 18 1818 are black, and 2 22 are green. In each round of the game,
Elina [12.6K]

The value of P(R = 3) is 0.2854

<h3>Probability</h3>

Probabilities are used to determine the chances of events.

The given parameters are:

  • n = 38 --- the number of slots
  • red = 18. --- the number of red slot
  • black = 18. --- the number of black slot
  • green = 2. --- the number of green slot

<h3>Individual probabilities</h3>

The probability that the ball lands on a red slot is calculated as:

p = \frac{18}{38}

Simplify

p= \frac{9}{19}

The probability that the ball does not land on a red slot is calculated as:

q = \frac{18+2}{38}

q = \frac{20}{38}

Simplify

q = \frac{10}{19}

<h3>Binomial probability</h3>

The value of P(R = 3) is then calculated using the following binomial probability formula

P(R = r) = ^nC_rp^rq^{n-r}

Where:

n = 7

r = 3

So, we have:

P(R = 3) = ^7C_3 \times (9/19)^3 \times (10/19)^{7-3}

P(R = 3) = 35 \times (9/19)^3 \times (10/19)^4

P(R = 3) = 0.2854

Hence, the value of P(R = 3) is 0.2854

Read more about probabilities at:

brainly.com/question/15246027

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Find the area of a parallelogram with a base of 14 m and a height of 5 m.
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Answer:70 m

Step-by-step explanation:

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