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olga55 [171]
3 years ago
7

7

Mathematics
1 answer:
kupik [55]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

Make a ratio equation:

12 : 4.8 = 16 : x

\frac{12}{4.8} = \frac{16}{x}

Cross multiply:

12x = 76.8

x = 6.4

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Which is the graph of the linear inequality 1/2 x-2y>-6 ?
larisa86 [58]

Answer:

<h2>Your Answer is C!!!!!!!!!</h2>

Steps:

\frac{1}{2} x-2y>-6

Add 2y to both sides:

\frac{1}{2} x-2y+2y>-6+2y

Simplify:

\frac{1}{2}x>-6+2y

Multiply both sides by 2:

2·\frac{1}{2}x>-2·6+2·2y

Simplify:

x>-12+4y

5 0
3 years ago
Arrange the geometric series from least to greatest based on the value of their sums.
son4ous [18]

Answer:

80 < 93 < 121 < 127

Step-by-step explanation:

For a geometric series,

\sum_{t=1}^{n}a(r)^{t-1}

Formula to be used,

Sum of t terms of a geometric series = \frac{a(r^t-1)}{r-1}

Here t = number of terms

a = first term

r = common ratio

1). \sum_{t=1}^{5}3(2)^{t-1}

   First term of this series 'a' = 3

   Common ratio 'r' = 2

   Number of terms 't' = 5

   Therefore, sum of 5 terms of the series = \frac{3(2^5-1)}{(2-1)}

                                                                      = 93

2). \sum_{t=1}^{7}(2)^{t-1}

   First term 'a' = 1

   Common ratio 'r' = 2

   Number of terms 't' = 7

   Sum of 7 terms of this series = \frac{1(2^7-1)}{(2-1)}

                                                    = 127

3). \sum_{t=1}^{5}(3)^{t-1}

    First term 'a' = 1

    Common ratio 'r' = 3

    Number of terms 't' = 5

   Therefore, sum of 5 terms = \frac{1(3^5-1)}{3-1}

                                                 = 121

4). \sum_{t=1}^{4}2(3)^{t-1}

    First term 'a' = 2

    Common ratio 'r' = 3

    Number of terms 't' = 4

    Therefore, sum of 4 terms of the series = \frac{2(3^4-1)}{3-1}

                                                                       = 80

    80 < 93 < 121 < 127 will be the answer.

4 0
3 years ago
Read 2 more answers
If f(x)=-2x+9, then find the value of the x value that makes F(x)=-22
Lostsunrise [7]
-22 = -2x + 9
-31 = -2x
-31/-2 = x
x = 15.5 
5 0
3 years ago
.In which situation could the quotient of
saveliy_v [14]

Answer:

Option D -  8 children

Step-by-step explanation:

Twenty four divided by eight the equation is irelated to which MCQ

24/3 = 8

Option D, A cookie jar contains 24 cookies. Each child receives 3 cookies.

The right answer is 24 cookies that are in a jar eaten by children,

If each child get 3 cookies,  

Hence, 24/3 the answer will be = 8

Means 8 children are there to eat 3 cookies that is 24.

3 0
3 years ago
Hello everyone. school. sucks :)
notsponge [240]

Answer:

Omg it really does...

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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