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abruzzese [7]
4 years ago
9

The chemicals in my swimming pool use a ratio of 2 tablets of chlorine for every 5 days. Which ratio shows the number of chlorin

e tablets needed for 20 days? A. 5 to 20 B. 8 to 20 C. 7 to 20 D. 3 to 20
Mathematics
2 answers:
snow_lady [41]4 years ago
7 0

Answer:

The answer would be B. 8 to 20

Step-by-step explanation:

You use 2 tablets per 5 days and there are 20 days 5/20=4 4 times you need to add tablets 4 times 2 is 8 which would make the ratio 8 to 20. Hope this helped. :)

coldgirl [10]4 years ago
5 0

Answer:

hgdhfxgvhcxgbdchgchndthdkugjyfdytdfjhfdhtdchyfgfr6uyry5ri8yytiu7rue

Step-by-step explanation:

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Solve the triangle.<br> A = 32°, a = 19, b = 14
Paha777 [63]

Answer:

A = 32°, a = 19, b = 14, B=22.98°, C = 125.02°, c = 29.36

Step-by-step explanation:

We have two sides of the triangle and we have an angle.

A = 32 °, a = 19, b = 14

We use the sine theorem to find the angle B.

We know that according to the sine theorem it is true that:

\frac{sin(A)}{a}=\frac{sin(B)}{b}=\frac{sin(C)}{c}

\frac{sin(32\°)}{19}=\frac{sin(B)}{14}

sin(B)=14*\frac{sin(32\°)}{19}\\\\B=Arcsin(14*\frac{sin(32\°)}{19})\\\\B=22.98\°

We know that the sum of the internal angles of a triangle is always equal to 180.

So:

C=180-32-22.98\\\\C=125.02\°

Finally we find the c side

\frac{sin(A)}{a}=\frac{sin(C)}{c}

\frac{sin(32\°)}{19}=\frac{sin(125.02)}{c}

0.02789=\frac{sin(125.02)}{c}

c=\frac{sin(125.02)}{0.02789}\\\\c=29.36

8 0
3 years ago
identify the class of the italicized pronoun(s) in the sentence. a good scientist equips "himself" with the right tools and the
kow [346]
In this sentence, " himself " is ur reflexive pronoun.
4 0
4 years ago
Find the perimeter of this figure.<br><br> 112 ft<br><br> 22 ft<br><br> 44 ft<br><br> 30 ft
SIZIF [17.4K]

Answer:

44 ft

Explanation:

Perimeter of rectangle: 2(Length + Width)

Here given:

  • Length: 14 ft
  • Width: 8 ft

Perimeter: 2(L + W) = 2(14 + 8) = 2(22) = 44 ft

5 0
2 years ago
Read 2 more answers
What is the value of x?
ddd [48]

Answer:

45

Step-by-step explanation:

3x+x has to add up to 180

3x+x=180

4x/4=180/4

x=45

6 0
3 years ago
Read 2 more answers
2.5 x 2.5 X 2.5 - 1.4 x 1.4 x 1.4÷(2.5) + 2.5 X 1.4 + (1.4)​
Nana76 [90]

Answer: A challenge?

Just kidding the answer is

15.625x+3.8024

Step-by-step explanation:

4 0
3 years ago
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