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zhannawk [14.2K]
3 years ago
15

Can somebody simplify the expression in the picture I need this grade

Mathematics
1 answer:
Rama09 [41]3 years ago
5 0

Answer:

a^2 - ab + 2b^2

Chose the last option

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Tell whether the equation has the ordered pair as a solution y=6x; (-7,-42)
Ber [7]

Answer:

Yes

Step-by-step explanation:

Substituting in x = -7, we get y = 6(-7) = -42, which is the same as the y coordinate of the given point.

3 0
2 years ago
Solve for x 7x½+2=0​
ziro4ka [17]

Answer:

here's your answer

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5 0
4 years ago
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What do you do when the x is a negative but the answer for x is a positive?
Alecsey [184]
Just switch the negative sign over to the answer. so if you had -x = 6, then just switch the sign over to the 6. You would have the answer of x=-6, which is the same thing as -x=6
4 0
3 years ago
Correct answers only please!
IRINA_888 [86]

Answer:

D

Step-by-step explanation:

10×9×8×26×25=468000

7 0
4 years ago
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How much difference do a couple of weeks make for birth weight? Late‑preterm babies are born with 3434 to 3636 completed weeks o
Helen [10]

Answer:

0.0128

Step-by-step explanation:

(Use technology and enter your answer rounded to four decimal places.)

We apply the z score formula to this question

z = (x-μ)/σ,

where x is the raw score

μ is the population mean

σ is the population standard deviation.

We are given: N(2750,560)

x = 1500 grams, μ = 2750 grams, σ = 560 grams

= z = 1500 - 2750/560

z = -2.23214

Determining the Probabilty value from Z-Table:

P(x < 1500) = P(z = -2.23214)

= 0.012803

Approximately to four decimal places = 0.0128

The probability that a randomly chosen late-preterm baby would have a very low birth weight, less than 1500 grams is 0.0128.

6 0
3 years ago
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