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klemol [59]
3 years ago
8

10 points to whoever answers this CORRECTLY and QUICKLY. Thanks

Mathematics
1 answer:
Nana76 [90]3 years ago
4 0
Hope this would help you

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(x + 1) (x+8) multiply binomials and put in standard form.
Kobotan [32]

Answer:

x² + 9x + 8

Step-by-step explanation:

Step 1: FOIL

x² + 8x + x + 8

Step 2: Combine like terms

x² + 9x + 8

6 0
3 years ago
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Previous studies on sleep tendencies report that, on average, an adult American will sleep for 6 hours each night with a standar
Tom [10]

Answer: One sample z test for means

Step-by-step explanation:

From the information given, the sample size is large. It is greater than 30. Again, the population standard deviation is given. This means that the test statistic would be the z score which is determined by the formula

z = (x - µ)/σ

Where

x = sample mean

µ = population mean

σ = population standard deviation

The probability value would be determined from the normal distribution table.

Therefore, the hypothesis test that should be used is

One sample z test for means

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3 years ago
Rewrite the equation y - 4= 2(x + 4) in slope-intercept form.
Karo-lina-s [1.5K]

First distribute the 2 through the parenthses on the right side.

So we have y - 4 = 2x + 8.

In slope-intercept form, the y is by itself on the left side.

So we add 4 to isolate the y on the left to get y = 2x + 12.

So in slope-intercept form, our equation is y = 2x + 12.

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3 years ago
Write the fraction as a percent. 9/20
RideAnS [48]

Answer:Write 9/20 as a percent. Use equivalent fractions: 9/20 = 45/100 = 45%.

Step-by-step explanation:

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3 years ago
Suppose that ,LV YM, YV = 11 cm, and ⊙L has a diameter of 26 cm. Find YM.
Inessa05 [86]

Answer: I just had this on a test the answer is [ 22cm ]

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