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3 years ago

What is 8 to the 4th power in expanded form?

Mathematics

1 answer:

Ede4ka [16]3 years ago

3 0

8x8x8x8 (St least I think.. I'm not exactly 100% sure.)

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16y5+4y5-12y3+15y3? What is the simplified form?

Eddi Din [679]

Answer:

$20y^5+3y^3$

Step-by-step explanation:

$16y^5 + 4y^5 -12y^3 + 15y^3$

All we can do here is combine like terms (add those that have the same the same exponent)

$20y^5+3y^3$

Good luck!

3 0

3 years ago

Read 2 more answers

−3(x + 3) = −3(x + 1) − 5.

tatyana61 [14]

Answer:

No solution

Step-by-step explanation:

-3x-9=-3x-3-5

-3x-9=-3x-8

-9=-8

4 0

3 years ago

Find the value of x for the right triangle. Round your answer to the nearest hundredth.

Karo-lina-s [1.5K]

Answer:

450 foe

Step-by-step explanation:

7 0

3 years ago

According to a certain website, wine critics generally use a wine-scoring scale to communicate their opinions on the relative qu

const2013 [10]

Answer:

$\bar x = 82$

$\sigma = 9.64$

Step-by-step explanation:

Given

$n = 12$

$87\ 91\ 86\ 82\ 72\ 91\ 60\ 77\ 80\ 79\ 83\ 96$

Solving (a); Point estimate of mean

To do this, we simply calculate the sample mean

$\bar x = \frac{\sum x}{n}$

$\bar x = \frac{87+ 91+ 86+ 82+72+91+60+77+80+79+83+96}{12}$

$\bar x = \frac{984}{12}$

$\bar x = 82$

Solving (b); Point estimate of standard deviation

To do this, we simply calculate the sample standard deviation

$\sigma = \sqrt{\frac{\sum(x-\bar x)^2}{n - 1}$

$\sigma = \sqrt\frac{(87-82)^2+ (91-82)^2+ ....+ (79-82)^2+ (83-82)^2+ (96-82)^2}{12-1}$

$\sigma = \sqrt\frac{1022}{11}$

$\sigma = \sqrt{92.91}$

$\sigma = 9.64$

Note that: The sample mean and the sample standard deviation are the best point estimators for the mean and the standard deviation, respectively.

Hence, the need to solve for sample mean and sample standard deviation

3 0

3 years ago

If 70% is £14 what is the full price

Veseljchak [2.6K]

70℅ = 14
100 = X

70X = 1400

X = 1400/70

X = 20

20 Euros is the full price

6 0

3 years ago