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gavmur [86]
3 years ago
13

Please help me❤️ I keep getting it wrong

Mathematics
1 answer:
nlexa [21]3 years ago
4 0

Answer:

= { \tt{ \frac{30}{120}  +   \frac{40}{120}  }} \\  =  \frac{7}{12}

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There are 10 girls and 5 boys in Ms. Sander's class. Each day, she randomly asks one student to take attendance. In 180 school d
kvv77 [185]

Answer:

120

Step-by-step explanation:

The probability of a girl being picked one day = 10/15 = 2/3

Total number of days = 180

Therefore, the nunber of times it will be a girl = 2/3 x 180 = 2 x 60 = 120

Hope this helps

7 0
3 years ago
Please help asap (:
Korolek [52]
For this case we first define the variable:
 x = number of terms.
 The equation that models the problem is:
 f (x) = 3.4 - 0.6x
 We have then that the first four terms are:
 x = 1
 f (1) = 3.4 - 0.6 (1) = 3.4 - 0.6 = 2.8
 x = 2
 f (2) = 3.4 - 0.6 (2) = 3.4 - 1.2 = 2.2
 x = 3
 f (3) = 3.4 - 0.6 (3) = 3.4 - 1.8 = 1.6
 x = 4
 f (4) = 3.4 - 0.6 (4) = 3.4 - 2.4 = 1
 Answer:
 
The rule for the sequence is:
 
f (x) = 3.4 - 0.6x
 option 1
7 0
4 years ago
Read 2 more answers
What expression shows the relationship between the value of any term and n, its position in the sequence for the given sequence?
Nookie1986 [14]

Answer:

B) 2n + 1

Step-by-step explanation:

Each term increases by 2 units so the common difference is 2. Then plug in 1 into the equations that have a slope of 2 and see if you get 3 out. You do for 2n + 1.

7 0
4 years ago
Pls pls help, circle math problem
Snowcat [4.5K]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
Four times a number less 7 is equal to 12 more than two times that number
Doss [256]

Answer:

the number you're looking for is 9.5

Step-by-step explanation:

4x-7 = 12+2x

2x-7 = 12

2x = 19

x = 9.5

6 0
3 years ago
Read 2 more answers
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