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kramer
3 years ago
12

SlaSLICS. lvia

Mathematics
1 answer:
serious [3.7K]3 years ago
5 0

Answer:

The sample proportion is never a point estimate of the population proportion. I need help ASAP

Step-by-step explanation:

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Translate the verbal expression into an algebraic expression
Mrac [35]

Answer:

4x+6

Step-by-step explanation:

The quotient of a number and 4 translates to 4x because, "a number" in the expression is x, and it is being multiplied by 4, so you get 4x. six more than would mean adding 6. So the answer would be 4x+6. Thank you! Good Luck!

7 0
3 years ago
I NEED HELP ON THIS A.S.A.P !!!!!!!! will give brainleist!!!
blsea [12.9K]

Answer:

D

Step-by-step explanation:

30.20 * 15% (or 0.15) = 4.53

4.53 is about 4.50

6 0
4 years ago
Read 2 more answers
Please Help!!!<br> Due: Monday<br> On Ellipses - Pre Calc
eduard

25. <u>Step-by-step explanation:</u>

\text{The general form of an ellipse is:}\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1\\\\\bullet \text{(h, k) is the Center}\\\bullet \text{a is the radius of x}\\\bullet \text{b is the radius of y}\\\bullet \text{the largest value between a and b is the major}\\\bullet \text{the smallest value between a and b is the minor}\\\bullet \text{the vertices are the (h, k) value plus the major (a or b) value}\\\bullet \text{the co-vertices are the (h, k) value plus the minor (a or b) value}\\\bullet \text{Length is the diameter}=2r\\

\dfrac{x^2}{16}+\dfrac{y^2}{25}=1\quad \text{can be rewritten as}\ \dfrac{(x-0)^2}{4^2}+\dfrac{(y-0)^2}{5^2}=1\\\\\bullet (h, k)=(0,0)\\\bullet a=4\\\bullet b=5\\\bullet \text{b is the largest value so: b is the major and a is the minor}\\\bullet \text{Vertices are }(0, 0+5)\ and\ (0, 0-5)\implies (0, 5)\ and\ (0, -5)\\\bullet \text{Co-vertices are }(0+4, 0)\ and\ (0-4, 0)\implies (4,0)\ and\ (-4,0)\\\bullet \text{Length of major is }2b:2(5)=10\\\bullet \text{Length of minor is }2a:2(4)=8

To find the foci, first we must find the length of the foci using the formula:

(r_{major})^2-(r_{minor})^2=c^2

Then add the c-value to the h (or k)-value that represents the major.

b² - a² = c²

25 - 16 = c²

        9 = c²

       ±3 = c

The center is (0, 0) and the major is the y-value so the foci is:

(0, 0+3) and (0, 0-3) ⇒ (0, 3) and (0, -3)

26. Answers

Follow the same steps as #25:

Center: (0, 0)

Vertices (7, 0) and (-7, 0)

Co-vertices: (0, 3) and (0, -3)

foci: (2√10, 0) and (-2√10, 0)

length of major: 14

length of minor: 6

5 0
3 years ago
What is 4/15 as a decimal and percent?
mamaluj [8]
4/15 is a repeating decimal. 
Decimal- 0.2666...
Percent- 26.66...%
Rounded Decimal- 0.267
Rounded Percent- 26.67%
3 0
4 years ago
6y + 3 + (2y + 3) = please help me
Nikitich [7]

Answer:

y = -3/4

Step-by-step explanation:

1. Simplify all terms - 8y + 6 = ?

2. Set to two sides - 8y = -6

3. Solve - y = -6/8 = -3/4

Hope this helps:)

3 0
3 years ago
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