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2 years ago

HELP PLS I REALLY NEED HELP WITH MY SISTER

Mathematics

2 answers:

frozen [14]2 years ago

7 0

Answer:

$1\frac{9}{10}$

Annette [7]2 years ago

6 0

Answer:

1 9/10

Step-by-step explanation:

3 1/10 = 3.10

1 1/5 = 1.2

3.1 - 1.2 = 1.9

1.9 = 1 9/10

Hope this helped!

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Subtract -5x^2-9x+8−5x <br> 2<br> −9x+8 from -6x^2+5−6x <br> 2<br> +5.

Lemur [1.5K]

Answer:

−10x2+−18x+26

Step-by-step explanation:

Let's simplify step-by-step.

−5x2−9x+8−5x2−9x+8−−6x2+5−6x2+5

=−5x2+−9x+8+−5x2+−9x+8+6x2+5+−6x2+5

Combine Like Terms:

=−5x2+−9x+8+−5x2+−9x+8+6x2+5+−6x2+5

=(−5x2+−5x2+6x2+−6x2)+(−9x+−9x)+(8+8+5+5)

5 0

3 years ago

Five good light bulbs and two defective ones were mixed up unknowingly. To identify the defective ones for disposal, the bulbs a

Alexxandr [17]

Answer:

The probability of the event of identifying both the defective bulb in the second attempt is $\frac{1}{21}$ .

Step-by-step explanation:

The number of good light bulbs is 5 and the number of defective bulbs is 2.

It is provided that when a defective bulb is found in the inspection it is disposed.

If a defective bulb is found in the first trial the probability of his event is $\frac{2}{7}$ .

Now the remaining number of bulbs is 6.

If a defective bulb is found in the second trial the probability of his event is $\frac{1}{6}$ .

So the probability of identifying both the defective bulb in the second attempt is:

P (Selecting a defective bulb in 1st attempt) × P (Selecting a defective bulb in 2nd attempt) =

$=\frac{2}{7}\times\frac{1}{6} \\=\frac{1}{21}$

Thus, the probability of the event of identifying both the defective bulb in the second attempt is $\frac{1}{21}$ .

4 0

3 years ago

Fraction equivalent to 0.0368

antiseptic1488 [7]

<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

➷ The fraction equivalent for this would be :

23/625

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

5 0

3 years ago

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How many 2.5 inch by 6 inch tiles will fit in a back splash that is 2.5 feet tall and 8 feet long?

umka2103 [35]

The answer is 192!!!!!!

4 0

3 years ago

Which of the following are necessary when proving that the opposite angles of a parallelogram are congruent? A. Opposite sides a

Misha Larkins [42]

Answer:

C and B

Step-by-step explanation:

The correct option is option B and C. The necessary condition to prove that the opposite angles of a parallelogram are congruent:

C. Angle Addition Postulate.

B. Opposite sides are congruent

8 0

3 years ago

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