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3 years ago

Convert 10 °C to degrees Fahrenheit

Mathematics

2 answers:

tatiyna3 years ago

7 0

Answer: 50

Step-by-step explanation:

Alenkasestr [34]3 years ago

5 0

Answer:

50ºF

Step-by-step explanation:

(10°C × 9/5) + 32 = 50°F

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3 years ago

Write the equation of the line in slope-intercept form that has the following points: (4, 5) (-1, 2)

Dima020 [189]

Answer:

C. y = 3/5x + 13/5

Step-by-step explanation:

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3 years ago

2. what value of b makes the following equation true

Svetradugi [14.3K]

Answer:

2. 10

3. D. 1 for all n

Step-by-step explanation:

2. The applicable rules of exponents are ...

(a^b)(a^c) = a^(b+c)

a^b = 1/a^-b

$\dfrac{4^8}{(4^2)^{-3}}\div 4^4=\dfrac{4^8}{4^{-6}\cdot4^4}=\dfrac{4^8}{4^{-2}}\\\\=4^8\cdot4^2=4^{10}$

The value of n is 10.

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4 0

3 years ago

Witch of the following expression is equivalent to the logarithmic expression below. log(3)5/x^2

BabaBlast [244]

Assuing you mean
$log_{3}(\frac{5}{x^2})$
remember that $log(\frac{a}{b})=log(a)-log(b)$
also, $log(x^m)=(m)log(x)$

so
$log_{3}(\frac{5}{x^2})=$
$log_{3}(5)-log_{3}(x^2)=$
$log_{3}(5)-2log{3}(x)$

the answer is B

4 0

3 years ago

Read 2 more answers

A survey of 85 families showed that 36 owned at least one DVD player. Find the 99% confidence interval estimate of the true prop

Katyanochek1 [597]

Answer: $(0.367,\ 0.473)$

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

, where $\hat{p}$ is the sample proportion, n is the sample size , $z_{\alpha/2}$ is the critical z-value.

Given : Significance level : $\alpha:1-0.99=0.01$

Sample size : n= 85

Critical value : $z_{\alpha/2}=2.576$

Sample proportion: $\hat{p}=\dfrac{36}{85}\approx0.42$

Now, the 99% confidence level will be :

$\hat{p}\pmz_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.42\pm(2.576)\sqrt{\dfrac{0.42(1-0.42)}{85}}\\\\\approx0.42\pm0.053\\\\=(0.42-0.053,\ 0.42+0.053)=(0.367,\ 0.473)$

Hence, the 99% confidence interval estimate of the true proportion of families who own at least one DVD player is $(0.367,\ 0.473)$

3 0

3 years ago

Convert 10 °C to degrees Fahrenheit ​

Convert 10 °C to degrees Fahrenheit