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sergiy2304 [10]
3 years ago
9

Help plz

Mathematics
2 answers:
Aleksandr [31]3 years ago
6 0
Ninth and eleventh because its every odd number
Gemiola [76]3 years ago
5 0

Answer:

The 9th and 11th students are also boys.

Step-by-step explanation:

Every other student is a boy. Since the 7th student is a boy this means the 8th student is a girl.

You can also think of it with odd numbers. Every odd numbered student is a boy.

You might be interested in
7th grade math pls help
KengaRu [80]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
Using the curve of best fit, what would be the output (y) when the input (x) is 7?
IrinaVladis [17]

Answer:

y = 260

Step-by-step explanation:

locate x = 7 on the x- axis, go vertically up to meet the graph at (7, 260 )

when input is 7 then output y = 260

4 0
2 years ago
Which of the following expression is equal to x^2+25?
nignag [31]
A: (x + 5i)^2
= (x + 5i)(x + 5i)
= (x)(x) + (x)(5i) + (5i)(x) + (5i)(5i)
= x^2 + 5ix + 5ix + 25i^2
= 25i^2 + 10ix + x^2


B: (x - 5i)^2
= (x  +   - 5i)(x +  - 5i)
= (x)(x) + (x)(- 5i) + (- 5i)(x) + (- 5i)(- 5i)
= x^2 - 5ix - 5ix + 25i^2
= 25i^2 - 10ix + x^2


C: (x - 5i)(x + 5i)
= (x +  - 5i)(x + 5i)
= (x)(x) + (x)(5i) + (- 5i)(x) + (- 5i)(5i)
= x^2 + 5ix - 5ix - 25i^2
= 25i^2 + x^2


D: (x + 10i)(x  - 15i)
= (x + 10i)(x +  - 15i)
= (x)(x) + (x)(- 15i) + (10i)(x) + (10i)(- 15i)
= x^2 - 15ix + 10ix - 150i^2
=  - 150i^2 + 5ix + x^2



Hope that helps!!!

6 0
3 years ago
Read 2 more answers
During a drive to Arizona, for the first two hours Emily drove at 50 mph,
galina1969 [7]

Answer:

the EXACT answer is 29.16666667

Step-by-step explanation:

First you add 50, 60, and 65 and get 175

she is driving for 6 hours so you divide 175 by six to get the average

Then you get 29.16666667

6 0
3 years ago
write an expression for the calculation 5 times the number 25 and then subtract the quotient of 14 and 7
gavmur [86]

(5*5=25)-(14+7=21) which is basically

25-21


5 0
3 years ago
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