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Harrizon [31]
3 years ago
10

In Mr. Dalle’s class, 13 students wear glasses and 9 do not. What is the ratio of students who do not wear glasses to the number

of students who wear glasses?
A.9 to 13
B.9 to 22
C.13 to 9
D.13 to 22
Mathematics
2 answers:
miss Akunina [59]3 years ago
8 0

Answer:

a

Step-by-step explanation:

because students have good eyesight while others dont.

Korvikt [17]3 years ago
5 0

Answer:

AAAAAAAAA  

Step-by-step explanation:

TRUST ME AND STAY SAFE

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Find the 20th term in the sequence, where the first term is -2 and the common ratio is-2.
geniusboy [140]

Answer:

Step-by-step explanation:

(1)

a1=-2

r=-2

a_{20}=(-2)(-2)^{20-1}=-2(-2)^{19}=2^{20}=1048576\\(2)\\a_{1}=1000\\r=\frac{200}{1000} =\frac{1}{5} \\a_{8}=1000(\frac{1}{5} )^{8-1}=1000(.2)^7=0.0128\\(3)\\a_{1}=2\\a_{3}=50\\a_{2}=\sqrt{2*50} =10\\r=\frac{10}{2} =5

6 0
2 years ago
Translate the sentence and solve: "4 is 2 less than double a number".
Elanso [62]

Answer: x = 3

Step-by-step explanation:

you would double each number meamong multiply by 2 until you get the opposite of 4 being 2 less of a number so 6.

3 x 2 = 6

and 2 less than 6 is 4 so theres your answer :)

4 0
3 years ago
What does the following equal? Please help me!
Juli2301 [7.4K]

Answer:

the first answer

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
What two numbers have a sum of 215 and a difference of 137
BabaBlast [244]

Answer:

see below

Step-by-step explanation:

let x = big number

let you = small number

x + y = 215-------> (1)

x - y = 137 ------>(2)

(1)

x = 215 - y ----->(1)

substitute 1 into 2

215 - y -y = 137

-2 y = 78

y = 39

substitute y = 39 into (1)

x = 215 - (39)

x = 176

thus the numbers are 176 & 39

hope this helps

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3 0
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Inessa05 [86]

Answer:

Please find attached the graph of the following function;

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Step-by-step explanation:

We note that the function is linear from x = 2 to just before x = 0

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The function also changes value immediately after x = 0 to the line y = 3

The areas where the function is defined are shown in continuous lines

8 0
3 years ago
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