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Agata [3.3K]
3 years ago
10

Solve this inequality.7x + 2 > 30A.x 224B.x > 196C.x 4D.x > 3​

Mathematics
2 answers:
Masteriza [31]3 years ago
7 0

Answer:

it is c

Step-by-step explanation:

Oliga [24]3 years ago
6 0

Answer:

x > 4

Step-by-step explanation:

7x + 2 > 30

Subtract 2 from each side

7x + 2-2 > 30-2

7x > 28

Divide each side by 7

7x/7 > 28/7

x > 4

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Pavlova-9 [17]
5/50 step-by-step explanation:
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2 years ago
Simplify 9i(2+3i)
viktelen [127]
Simplify 9i(2+3i):
9i×2=18i
9i×3i=27i

18i+27i
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Can someone please help me solve this math problem, please? Thanks.
Ganezh [65]
If you use FOIL to multiply these two brackets, it will lead you what is exactly written (xa+xb+ya+yb)


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A
4 0
3 years ago
The sum of 3 consecutive odd integers is 45 what are the three integers
Mariana [72]

Answer:

14, 15, 16

Step-by-step explanation:

45-2 <em>The difference in integers, that way they're all the same number</em>

43/3=14

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6 0
3 years ago
You are a contractor and charge $45 for a site visit plus an additional $24 per hour for each hour you spend working at the site
tino4ka555 [31]

Answer:

Equation: 810= (90 + 24y)

y = 30 hours

Step-by-step explanation:

Given:

Site visit = $45 per site

cost per hour worked = $24

for <u>each </u>work site, the total amount of money earned

= site visit fee + cost for working

But the question mentions TWO sites, hence there will be two site visits. Therefore for TWO sites, we have to account for TWO site visit fee.

Therefore for TWO sites, the total amount of money earned

= site 1 visit fee + site 2 visit fee + cost for working

= (2 x site visit fee) +  cost for working  ------ Equation 1

We are further given that we worked y hours at the hourly work rate of $24 per hour.

Hence the cost for working

= y hours x hourly rate

= y   x   $24

= $24y   (substituting this into equation 1 above)

for TWO sites, the total amount of money earned

= (2 x site visit fee) +  cost for working

= (2 x $45) +  $24y

= $90 + $24y

= $(90 + 24y)

We are also given that we have to earn $810 for two sites, hence

810 = 90 + 24y    

810 - 90 = 24y

24y = 720

y = 720/24

y = 30 hours

8 0
3 years ago
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