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Stella [2.4K]
3 years ago
13

The health department estimates that eight vials of malaria Serum will treat 100 people. at this rate, how many vials are requir

ed to treat 175 people
Mathematics
1 answer:
lara [203]3 years ago
5 0
Using butterfly method, it is 14 vials

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Which expression is equivalent to 5−4/4−3 ? −64<br><br> −1/64<br><br> 1/64<br><br> 64
Anton [14]
Its 64 hope you get a good grade
5 0
3 years ago
Read 2 more answers
Find the 4th term if the sequend in which a1 = 2 and a n+1 = -4a n + 2
pshichka [43]
a_n_+_1=-4a_n_+_2

dividing both sides by -4, we get:

a_n_+_2=- \frac{a_n_+_1}{4}

this means, each term is its previous term divided by -4.

now we can construct the sequence as follows:

a_1=2

a_2=- \frac{a_1}{4}= - \frac{2}{4}= -\frac{1}{2}

a_3=- \frac{a_2}{4} =- \frac{ \frac{1}{2} }{4}=- \frac{1}{8}

a_4=- \frac{a_3}{4}=- \frac{ \frac{1}{8} }{4}=- \frac{1}{32}



Answer: the last term is -1/32
3 0
3 years ago
The Art and History Museum offers a family discount card for a donation of $57. I The table shows the price per person with and
Murljashka [212]

Answer:

8 number of visits will be the total cost of the visits (including the price of the discount card) be less expensive for a family of 2 adults and 1 child if they have purchased the discount card

Step-by-step explanation:

                             Price without Discount Card   Price with Discount Card

Ticket (12 & Under)        $10                                             $8

Adult's Ticket                  $15                                           $12

Let x be the number of visits

Price without discount card for 2 adults and 1 child ticket

Price without discount for x visits = x(15 \times 2+ 10)=40x

Price with discount for x visits =57+ x(12 \times 2+ 8)=57+32x

Now to find For what number of visits will the total cost of the visits (including the price of the discount card) be less expensive for a family of 2 adults and 1 child if they have purchased the discount card

57+32x< 40x

57<8x

7.1<x

So, 8 number of visits will be the total cost of the visits (including the price of the discount card) be less expensive for a family of 2 adults and 1 child if they have purchased the discount card

8 0
3 years ago
Brian is walking 2 3/4 of a mile everyday. He does this for one week.
laiz [17]

Answer:

1. 11/4

2. 19 1/4

Step-by-step explanation:

To change into an improper fraction:

((2 times 4)+3)/4

=11/4

To calculate total distance:

(11/4) times 7

=77/4

=19 1/4

6 0
3 years ago
Identify the factor terms by grouping: 5x3 – 4x2 + 20x – 16
jek_recluse [69]

Answer:

The answer is D

Step-by-step explanation:

All you have to do is distribute.

x^2(5x-4)+4(5x-4) =

5x^3-4x^2+20x-16

7 0
3 years ago
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