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My name is Ann [436]
3 years ago
8

REPOSTING AGAIN, PLEASE GIVE SOLUTION AND PROOF IG. T-T and no clowning pls

Mathematics
1 answer:
fomenos3 years ago
3 0
A)
1) -3.4
2) -0.75
3) 0.375

B)
1) 2/25
2) 78/25
3) 501/100
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Vesnalui [34]

Answer:

Tree diagrams display all the possible outcomes of an event. Each branch in a tree diagram represents a possible outcome. Tree diagrams can be used to find the number of possible outcomes and calculate the probability of possible outcomes.

Step-by-step explanation:

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If y varies directly as x, what is the value of y in these ordered pairs (5,20) and (15,y)
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Zane
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4 years ago
What is the following is the solution to the equation 25^(z+2) = 125
maksim [4K]

First, rewrite the equation 25^{z+2} = 125 with the base equal to 5. Note that:

  • 25=5^2;
  • 125=5^3;
  • 25^{z+2}=(5^2)^{z+2}=5^{2\cdot (z+2)}.

Then

5^{2\cdot (z+2)}=5^3.

Since the bases are equal, you have that powers are equal too:

2\cdot (z+2)=3,\\ \\2z+4=3,\\ \\2z=3-4,\\ \\2z=-1,\\ \\z=-\dfrac{1}{2}.

Answer: z=-\dfrac{1}{2}.


3 0
4 years ago
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