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muminat
3 years ago
6

What is a²+3a-38=0. How do you work this out Please show steps.

Mathematics
1 answer:
svet-max [94.6K]3 years ago
4 0

Use Quadratic Equation.......#

Hope it helps........☺

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I need help with math
Marat540 [252]
The answer is C that’s all I can give to you
6 0
3 years ago
A quality control inspector examined 150 light bulbs and found 8 of them to be defective. At this rate how many degective light
choli [55]

Answer:

106

Step-by-step explanation:

For every 150 light bulbs, 8 are defective

The defective rate can be written as;

8/150

= 4/75

Now, to find the number of defective light bulbs in a lot of 2000, we simply multiply the defective rate by this amount

This gives;

4/75 * 2000

= 106.6

This is approximately 106 light bulbs because a light bulb is either defective or not so, we need to have a whole number.

5 0
3 years ago
A bag contains 10 marbles: 2 are green, 6 are red and 2 are blue. Chau choose a marble at random, and without putting it back ch
masha68 [24]
The answer is 2/90

Multiply 2/10 by 1/9

This is because the first time there are 2 green marbles and ten marbles total but the second time he had already taken out a green marble so there is only 1 green marble left and 9 marbles total.
Hope this helps :)
6 0
3 years ago
Step 1: –10 + 8x < 6x – 4
vesna_86 [32]

The final step in solving the inequality is to divide through by -2 and flip the sign

<h3>Solving Inequalities </h3>

From the question, we are to determine the final step in solving the inequality

The given inequality and the steps for solving are

Step 1: –10 + 8x < 6x – 4

Step 2: –10 < –2x – 4

Step 3: –6 < –2x

The final step will be to divide both sides of the inequalities by -2 and then flip the sign

That is,

–6 < –2x

Divide both sides by -2 and flip the sign

3 > x

OR

x < 3

Hence, the final step in solving the inequality is to divide through by -2 and flip the sign

Learn more on Solving inequalities here: brainly.com/question/246993

#SPJ1

4 0
2 years ago
Pls help me with this
Julli [10]

Answer:

8125, im pretty sure this is right

Step-by-step explanation:

4 0
3 years ago
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