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Fudgin [204]
3 years ago
13

-3x - 42 >3

Mathematics
1 answer:
Darina [25.2K]3 years ago
8 0

Answer:

D) x < -15

Step-by-step explanation:

-3x - 42 >3

Add 42 to each side

-3x - 42+42 >3+42

-3x > 45

Divide each side by -3.  Remember to flip the inequality since we are dividing by a negative

-3x/-3 < 45/-3

x < -15

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Hospitals that routinely staff with 1:8 nurse-to-patient ratios experience five additional deaths per 1,000 patients than those
Alex787 [66]

Answer:  480 patient.

Step-by-step explanation:

Since, the local hospital has decided to follow the 1:4 nurse-to-patient ratio, how many patients can they treat if they have 120 nurses.

Therefore, New ratio of the nurses and patients = 1 : 4

Let the number of nurses = x and number of patients = 4x

Where x is any number,

But, according to question number of nurses = 250

That is, x = 120

⇒ 4x = 4×120 = 480

Therefore, number of patients = 480

8 0
4 years ago
Health club A charges $60 yearly enrollment fee and $2 per visit. Health club B charges $20 yearly enrollment fee and &amp;4 per
Nookie1986 [14]

Answer:

With 20 visits in one year the cost of the clulbs are equal.

Step-by-step explanation:

On the club A the amount paid in function of the number of visits can be expressed as bellow:

cost = 60 + 2*visits

On the club B the amount paid in function of the number of visits can be expressed as:

cost = 20 + 4*visits

In order for the cost to be the same we must find a value of visits that makes them equal, so we have:

60 + 2*visits = 20  + 4*visits

2*visits - 4*visits = 20 - 60

-2*visits = -40

visits = 20

With 20 visits in one year the cost of the clulbs are equal.

5 0
4 years ago
Two shops, Lidal and Oldi, sell the same brand of toilet rolls but with different package sizes.
abruzzese [7]

Answer:

Lidal's price is better

Step-by-step explanation:

<u>Lidal</u>

4 for £2.04

1 for £2.04/4= £0.51= 51 p

<u>Oldi</u>

9 for £4.68

1 for £4.68/9= £0.52= 51 p

Lidal offers better price per roll

8 0
4 years ago
Read 2 more answers
Construct a binomial whose greatest common factor is 2a^3
xxMikexx [17]

Answer:

C

Step-by-step explanation:

The greatest common factor of 8 and 10 is 2

The greatest common factor of a^4 and a^3 is a^3

6 0
3 years ago
F(x) = -4x + 15 g(x) = 7x^3 Find (f-g)(2)
djyliett [7]

(f-g)(2)=f(2)-g(2)

Therefore, find f(2) and g(2) first before subtracting.

f(x)=-4x+15

Therefore,

f(2)=-4(2)+15\\f(2)=-8+15\\f(2)=7

Then find g(2)

g(x)=7x^3\\g(2)=7(2)^3\\g(2)=7(8)\\g(2)=56

Then put f(2) to subtract g(2)

f(2)-g(2)=7-56\\f(2)-g(2)=-49

Therefore, the answer is (f-g)(2) = -49.

4 0
3 years ago
Read 2 more answers
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