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AleksandrR [38]
3 years ago
7

What is the value of x in 2(5x) = 14?

Mathematics
2 answers:
Ray Of Light [21]3 years ago
6 0

Answer:

x= 7/5

Step-by-step explanation:

wlad13 [49]3 years ago
6 0

Answer: 1.4 or 7/5

Step-by-step explanation: 2×5x/2=14/2 then simplify: 5x=7 divide both sides by 5 5x/5= 7/5 which means x= 7/5 or as a decimal it equals 1.4 also go to symbolab it is great for math problems like this

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2 years ago
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When doing polynomial long division, what is the first step to starting the problem?
Bond [772]

Answer:

Step 1: Make sure the polynomial is written in descending order. If any terms are missing, use a zero to fill in the missing term

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2 years ago
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Jerome will also order t-shirt for the volunteer he will order both adults and child t-shirt . Adults t-shirt are $5 child t-shi
Gala2k [10]

Answer:

A\geq 200...(1)

5A+2.50C\leq 1500...(2)

Step-by-step explanation:

Let A represent number of adult t-shirts and C represent number of child t-shirts.

We have been given that adults t-shirt are $5 child t-shirt are $2.50, so cost of A adult t-shirts would be 5A and cost of C child t-shirts would be 2.50C.

We have been given that Jerome need at least 200 adults t-shirt. This means the number of adult t-shirts should be greater than on equal to 200.

We can represent this information in an inequality as:

A\geq 200...(1)

We are also told that Jerome will spend no more than $1500 on t-shirt. This means that cost of A adult t-shirts and C child t-shirts should be less than or equal to 1500.

We can represent this information in an inequality as:

5A+2.50C\leq 1500...(2)

Therefore, our required system of inequalities would be:

A\geq 200...(1)

5A+2.50C\leq 1500...(2)

3 0
3 years ago
Which is the best estimate for the sum 2/9 +10/11 ?
irakobra [83]

Answer:

D

Step-by-step explanation:

6 0
2 years ago
Cosx=4/5 what is sin2x cos2x and tan2x
earnstyle [38]

Answer:

-24/5

Step-by-step explanation:

The solution to the problem is as follows:

cscx < 0 means 1/sinx < 0, or sinx < 0.  

sinx = -3/5 because you're dealing with a 3-4-5 triangle, and we established

sinx is negative.  

sin2x = 2sinxcosx = 2*-3/5*4/5 = -24/25  

cos(2x) = cos^2(x) - sin^2(x) = 16/25 - 9/25 = 5/25 = 1/5  

tan2x = sin2x / cos2x = -24/5

4 0
2 years ago
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