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Nataliya [291]
3 years ago
13

Question 4 PLEASE HELP FAST! ILL GVIE BRAINLIST AND EXTRA POINTS which of the following expression is a factor of x^2 -8x -20

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
4 0

Answer: A - x-2

Step-by-step explanation:

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I don't understand this at all TwT
Ratling [72]

Answer:

$30

Step-by-step explanation:

since there is no sales tax,

Amount of money used to pay

= change + total price of items bought

Let's find the total price of the items she bought.

<u>Chicken</u>

1 package ----- $12.36

2 packages ----- 2($12.36)= $24.72

<u>Broccoli</u>

1 pound ----- $1.98

½ pound ----- $1.98 ÷2= $0.99

<u>Milk</u>

1 gallon ----- $3.49

Total amount paid

= $24.72 +$0.99 +$3.49

= $29.20

Thus, amount of money Susan used to pay

= $29.20 +$0.80

= $30

3 0
2 years ago
A doctor orders 200 mg of Rocephin to be taken by a 15.4 lb infant every 8 hours. The medication label shows that 75-150 mg/kg p
valkas [14]

Answer:

Yes, the doctor's order within the desired range

Step-by-step explanation:

Given:

Dosage of Rocephin ordered = 200 mg

Mass of the infant = 15.4 lb

1 lb = 0.453592 kg

thus,

15.4 lb = 0.453  × 15.4 = 6.97 kg

Dosage is provided every 8 hours

thus,

Number of dosage per day = \frac{\textup{24 hours}}{\textup{8}} = 3

Hence,

the total dosage ordered per day = 200 × 3 = 600 mg

Dosage ordered per kg of infant per day = \frac{\textup{600}}{\textup{6.97}}

or

Dosage ordered per kg of infant per day = 86.083 mg/kg per day

Yes, the doctor's order within the desired range

8 0
3 years ago
Simplify 3-5(-3n+5)
anyanavicka [17]
15n-22
(: hope it's correct!
4 0
2 years ago
Read 2 more answers
Solve the inequality −x/2&lt;4
FinnZ [79.3K]

Isolate the x. First, multiply 2 to both sides

-x/2(2) < 4(2)

-x < 4(2)

-x < 8

Isolate the x. Divide - 1 to both sides (because you are dividing a negative number, flip the sign).

-x/ -1 < 8/-1

x > -8 is your answer

hope this helps

5 0
3 years ago
Is the relation a function? Why or why not ? <br><br><br> Please help me
vova2212 [387]
The answer is D. I am sure of this. Brainpower? Have a great day!
8 0
3 years ago
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