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olga55 [171]
3 years ago
7

(-1/8+2/5)+3 3/5 PLEASE HELP!!!!!!!!!!

Mathematics
2 answers:
4vir4ik [10]3 years ago
6 0

Answer:

Step-by-step explanation:

(-1/8+2/5)+18/5

(-0.125+0.4)+3.6

3.875+3.6=7.475

also 299/40

kap26 [50]3 years ago
4 0

Answer: 3\frac{7}{8}

<u>Convert</u>

-1/8+2/5=11/40

<u>Convert 3 3/5 into an Improper Fraction</u>

Multiply 3×5 and get 15. Now add 3 and get 18.

3 3/5 = 18/5

<u>Add</u>

11/40+18/5=31/8

<u>Convert your answer into a Mixed Number</u>

<u></u>31/8=3\frac{7}{8}<u></u>

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Answer:


Step-by-step explanation:

The answer is c.


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8 0
3 years ago
Write a formula for the general term or nth term for the sequence. Then find the indicated term. five halves comma five fourths
nadya68 [22]
Sequence: 5/2, 5/4, 5/8, 5/16
a8=?

a1=5/2
a2=5/4
a3=5/8
a4=5/16

a2/a1=(5/4)/(5/2)=(5/4)*(2/5)=(5*2)/(4*5)=2/4=1/2
a3/a2=(5/8)/(5/4)=(5/8)*(4/5)=(5*4)/(8*5)=4/8=1/2
a4/a3=(5/16)/(5/8)=(5/16)*(8/5)=(5*8)/(16*5)=8/16=1/2
Ratio: r=a2/a1=a3/a2=a4/a3→r=1/2

an=a1*r^(n-1)
a1=5/2, r=1/2
an=(5/2)*(1/2)^(n-1)
an=(5/2)*[1^(n-1)/2^(n-1)]
an=(5/2)*[1/2^(n-1)]
an=(5*1)/[2*2^(n-1)]
an=5/2^(1+n-1)
an=5/2^n

n=8→a8=5/2^8
a8=5/256

Answers:
The formula for the general term or nth term for the sequence is an=5/2^n
a8=5/256
6 0
4 years ago
2 find the probability of getting a sum 9 when two dice are thrown simultaneously.
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Answer:

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First you need to figure out what all of the possible combinations of the two dice being thrown then divide it by the number of faces on both dice and you get your probability.

3 0
3 years ago
52 &lt; x + 24? how do i work this?
Lostsunrise [7]

Answer: 28

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52

Begin by isolating x. To do this, you can substract 24 on both sides.

-24+52

28

That's your answer. Any value of ''x'' must be greater than 28 for this inequality to be true.

6 0
3 years ago
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Step-by-step explanation:

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