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fgiga [73]
3 years ago
11

What does x/4=2/5 equal

Mathematics
1 answer:
Harman [31]3 years ago
3 0
X/4 = 2/5
5x = 8
x = 8/5
or
x = 1.6
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–r = 3r − 4r how many solutions
Ahat [919]

Answer:

Both sides are equal so there are infinitely many  solutions.

Step-by-step explanation:

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2 years ago
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Find the degree of the term -5x to the power of 4
marysya [2.9K]

Answer:

4 or -625x^4 (Just in case I misunderstood)

Step-by-step explanation:

The degree is always the power of something. Since -5x has a power of 4, its degree is 4.

Just in case I misunderstood the question, I will solve it another way that I think you meant. (-5x)^4 is -5^4 times x^4.

-625 times x^4 is -625x^4.

5 0
3 years ago
A country has two political parties, the Demonstrators and the Repudiators. Suppose that the national senate consists of 100 mem
IRISSAK [1]

Answer:

(a) 4.148 x 10^(12) ways

(b) 5,827,360 ways

Step-by-step explanation:

Number of Demonstrators (D)  = 44

Number of Repudiators (R) = 56

(a)

5 senate members must be Repudiators and 5 must be demonstrators, assuming that the order at which they are selected is irrelevant:

N= C^{D}_{5} * C^{R}_{5}\\N=\frac{56!}{5!(56-5)!} *\frac{44!}{5!(44-5)!} \\N=3,819,816*1,086,008\\N=4.148 *10^{12}

(b)

Since there are two different positions, (speaker and vice speaker), order is important in this situation, and the total number of ways to select two senators from each party is:

N= P^{D}_{2} * P^{R}_{2}\\N=\frac{56!}{(56-2)!} *\frac{44!}{(44-2)!} \\N=3,080*1,892\\N=5,827,360

6 0
4 years ago
Eduardo is building a sandbox that has an area of 84 square feet. What are the possible whole number measurements for the length
kicyunya [14]
Try this option:
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2. according the numbers calculated in item 1, the possible number measurements for the length and width of the sandbox are (length; width):
1;84
2;42
3;28
4;21
6;14
7;12
12;7
14;6
21;4
28;3
42;2
84;1
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4 years ago
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Answer:the first one is 16 and the second one I don’t know and it’s kinda hard to see
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