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dimulka [17.4K]
2 years ago
3

If 5y + 2x = 25 and x=y−1, what is the value of y

Mathematics
1 answer:
zalisa [80]2 years ago
8 0
5y + 2(y-1) = 25
5y + 2y - 2 = 25
5y + 2y = 27
7y = 27
y = 27/7 or about 3.857
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You receive an email asking you to forward it to four other people to ensure prosperity. Assuming the chain isn't broken, how ma
dolphi86 [110]

well if it asks you to send to 4 people and there are 8 generations which includes yours that mean


1 sent to 4 - 4 recived

4 send to 4 each = 16 recived + the 4 before = 20 (generation 2)

16 send to 4 = 64 + 20 = 84 (generation 3)

64 send to 4 = 256 + 84= 320 (g4)

256 send to 4 = 1024 + 320 = 1344 (g5)

1344 s t 4 = 5376 + 1344= 6730 (g6)


so on and so forth till generation 8


4 0
2 years ago
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Daisy works at an ice-cream parlor. She is paid $10 per hour for the first 8 hours she works in a day. For every extra hour she
andre [41]

Answer:

80+(15x)

Step-by-step explanation:

10 times 8=80

1.5 times 10=15

so she gets 80 dollars for the first 8 hours then for every extra hour she gets 15 dollars

7 0
2 years ago
What number comes next 16, 06, 68, 88,
inessss [21]

So the given series is "16, 06, 68, 88, __"

Count all the cyclical opening in each of these numbers. For example in 16, there is a one cyclical loop present in it(the one in 6), similarly in 06 it is two(one in zero and one in 6), going ahead, in 68 it is 3(one in 6 and two in 8).

From here on things become simple: hence, the cyclical figures in these equations written down becomes 1,2,3,4,_,3.

Let's now try solving the above sequence, going by the logical reasoning the only number that can fill in the gap should be 4.

4 0
2 years ago
Find the GCF of 44j5k4 and 121j2k6.
BartSMP [9]

Answer:

D. 11j^2k^4

Step-by-step explanation:

We are asked to find the GCF of 44j^5k^4\text{ and }121j^2k^6.

Since we know that GCF of two numbers is the greatest number that is a factor of both of them.

First of all we will GCF of 44 and 121.

Factors of 44 are: 1, 2, 4, 11, 22, 44.

Factors of 121 are: 1, 11, 11, 121.

We can see that greatest common factor of 44 and 121 is 11.

Now let us find GCF of j^5\text{ and }j^2.

Factors of j^5 are: j*j*j*j*j

Factors of j^2 are: j*j

We can see that greatest common factor of j^5\text{ and }j^2 is j*j=j^2.

Now let us find GCF of k^4\text{ and }k^6.

Factors of k^4 are: k*k*k*k    

Factors of k^6 are:k*k*k*k*k*k

We can see that greatest common factor of  k^4\text{ and }k^6 is k*k*k*k=k^4.

Upon combining our all GCFs we will get,

11j^2k^4  

Therefore, GCF of 44j^5k^4\text{ and }121j^2k^6 is 11j^2k^4 and option D is the correct choice.

3 0
2 years ago
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Which polynomial is prime? x3 + 3x2 – 2x – 6 x3 – 2x2 + 3x – 6 4x4 + 4x3 – 2x – 2 2x4 + x3 – x + 2
alexandr1967 [171]
D. 2x4+x3–x+2 <span>is prime</span>
4 0
2 years ago
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