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ella [17]
3 years ago
5

Which expressions show how 8 • 54 can be rewritten using the distributive property? Choose all answers that are correct.

Mathematics
1 answer:
irga5000 [103]3 years ago
6 0
Answer choice B is using the distributive property.
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This hyperbola is centered at theorigin. Find its equation.Foci: (-2,0) and (2,0)Vertices: (-1,0) and (1,0)
beks73 [17]

SOLUTION

From the question, the center of the hyperbola is

\begin{gathered} (h,k),\text{ which is } \\ (0,0) \end{gathered}

a is the distance between the center to vertex, which is -1 or 1, and

c is the distance between the center to foci, which is -2 or 2.

b is given as

\begin{gathered} b^2=c^2-a^2 \\ b^2=2^2-1^2 \\ b=\sqrt[]{3} \end{gathered}

But equation of a hyperbola is given as

\frac{(x-h)^2}{a^2}-\frac{(y-k)^2}{b^2}=1

Substituting the values of a, b, h and k, we have

\begin{gathered} \frac{(x-0)^2}{1^2}-\frac{(y-0)^2}{\sqrt[]{3}^2}=1 \\ \frac{x^2}{1}-\frac{y^2}{3}=1 \end{gathered}

Hence the answer is

\frac{x^2}{1}-\frac{y^2}{3}=1

5 0
1 year ago
How to do this question plz. ignore what I wrote​
Nezavi [6.7K]

Answer:

The answer is 56 grams

Step-by-step explanation:

All you have to is multiply the 2g from 1 coffee and the 28 days worth of coffee and you get 56grams

6 0
3 years ago
Please help me with this problem!
Oksanka [162]
(25-y) ^2-y^2=25
y=12
x=25-12
x=13

(13,12)
7 0
3 years ago
Chad likes to play Bingo at the nearby American Legion Hall. One day he goes into the hall with $14 in his
BigorU [14]

Answer:

11

Step-by-step explanation:

4 0
2 years ago
a) A group of 50 people are going to run a race. The top three runners earn gold, silver, and bronze medals. b) Creating a nine
rjkz [21]

a) n (No. of peoples) = 50

r (No. of prizes) = 3

p(n,r) = p (50,3)

\begin{gathered} P(n,r)=\frac{n!}{(n-r)!} \\ P(50,3)=\frac{50!}{(50-3)!} \\ =117600 \end{gathered}

b) n(No. of players)=14

r (No. of players for Batting)=9

\begin{gathered} P(14,9)=\frac{14!}{(14-9)!} \\ =726485760 \end{gathered}

c)n(Total applicants)=30

r(tester positions)=4

\begin{gathered} P(30,4)=\frac{30!}{(30-4)!} \\ \text{              =}\frac{30!}{26!} \\ \text{              =657720} \end{gathered}

7 0
11 months ago
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