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maxonik [38]
3 years ago
13

Solve for x.

Mathematics
2 answers:
zvonat [6]3 years ago
4 0
2 1/2x - 3/4(2x + 5) = 3/8
5/2x - 3/2x - 15/4 = 3/8
5/2x - 3/2x = 3/8 + 15/4
x = 3/8 + 30/8
x = 33/8 or 4 1/8

Hitman42 [59]3 years ago
4 0

Answer:

Step-by-step explanation:

Given : 212x−34(2x+5)=38.

To find : Solve for x.

Solution : We have given

212x−34(2x+5)=38.

Remove parenthesis

212 x - 68 x - 170 = 38

Solve like terms

144x - 170 = 38.

On adding both sides by 170.

144 x = 38 + 170.

144 x = 208.

On dividing both sides by 144

x = \frac{208}{144}

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GuDViN [60]

Answer:

-5,-3,-1,1,3

Step-by-step explanation:

range= y

really need brainliest!!

4 0
3 years ago
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Mr. K's math class is 14 hours long. After working problems on the board for 45 minutes (hour), he gave the students the rest of
lutik1710 [3]
If this question is typed correctly then the answer would be 13 hours and 15 minutes
5 0
2 years ago
A man invests $2000 in an account that pays 6.5% interest per year, compounded quarterly.
skelet666 [1.2K]

Answer:

The correct answer is a. $2275.28; b. 17.04 years

Step-by-step explanation:

Principal to be invested is $2000

Interest rate (r) per year is 6.5 quarterly.

Interest is calculated compoundly.

a. Time (t) for the investment is given to be 2 years.

Amount after two years is = Principal × ( 1+ \frac{r}{100n}) ^ {nt} where the value of n is 4.

⇒ A = 2000  × ( 1+ \frac{6.5}{400}) ^ {8}

⇒ A = $2275.28.

b. Now the value of A is given to be triple the principal = $ (3 × 2000).

Therefore we need to find the value of t.

⇒ 3 × 2000 =  2000  × ( 1+ \frac{6.5}{400}) ^ {4t}

⇒ ㏑ 3 = 4t × ㏑ ( 1.01625)

⇒ t = 17.04

Therefore it would take 17.04 years for the principal to triple.

5 0
2 years ago
100 POINTS!
butalik [34]

Answer:

it's giving B.

I can really explain why but it's giving B 5/6 is greater than da amount..

5 0
2 years ago
A town in east Texas received 10 inches of rain in two DAYS. If it kept raining at this rate for a 31 day month, how much rain d
nydimaria [60]
<h3>Answer: 155 inches</h3>

This is equivalent to approximately 12.917 feet.

===================================================

Work Shown:

(10 inches)/(2 days) = (x inches)/(31 days)

10/2 = x/31

10*31 = 2*x ... cross multiply

310 = 2x

2x = 310

x = 310/2

x = 155

Keep in mind that this water is being drained on a fairly continuous basis. This means that not all of the water is sticking around (we'd hope not anyway) at the same moment in time.

Note: 155 inches = 155/12 = 12.917 feet approximately.

--------------------------

Alternative method:

If the town got 10 inches in 2 days, this means it rains at a unit rate of 10/2 = 5 inches per day.

Multiply that by 31 days and we get 5*31 = 155 inches of total rain.

3 0
3 years ago
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