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mafiozo [28]
3 years ago
15

Helllllllpppppppppppp

Mathematics
1 answer:
scoray [572]3 years ago
8 0

Answer:

63%

Step-by-step explanation:

38% + 25% = 63%

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How many permutations of the word spell are there
SOVA2 [1]
120 should be the answer
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3 years ago
Which simplified expression matches the set of tiles shown?
notka56 [123]

Answer:

The expression  - x² - x + 2  and   - x² + x + 2  matches the set of tiles

Step-by-step explanation:

Given four expression as :

A ) - x² - x + 2

solving by mid term breaking

Or,  - x² - 2 x + x + 2

Or,  - x ( x + 2 ) + 1 ( x + 2 )

or, ( x + 2 ) ( - x + 1 )

B )   x² - x + 2

solving by mid term breaking

Or,   x² - 2 x + x + 2

or,  x ( x - 2 ) + 1 ( x + 2 )

So, the expression will not break

C )  - x² + x + 2

solving by mid term break

Or,  - x² + 2 x - x + 2

or,  - x ( x - 2 ) - 1 ( x - 2 )

or,  ( x - 2 ) ( - x - 1 )

D )  x² + x + 2

solving by mid term break

Or, ) x² + 2 x - x + 2

Or,   x ( x + 2 ) - 1 ( x - 2 )

so, The expression will not break

Hence The expression  - x² - x + 2  and   - x² + x + 2  matches the set of tiles answer

6 0
3 years ago
A study was conducted to determine how bacteria cells multiply over time in a controlled environment. In the study, the bacteria
DENIUS [597]

Answer:

Dependent variable → bacteria cell increase or population

Independent variable → time variable

Step-by-step explanation:

An independent variable has direct effect on the dependent variable. The independent variable can stand on it own and it is not change by the other variable you are trying to measure. The independent variable have direct effect on the dependent variable.

A dependent variable is actually the variable being tested in an experiment. The dependent variable is actually dependent on the independent variable.

The dependent variable in this scenario is the bacteria cell increase or the bacteria cell multiplication.  The bacteria cell increase is dependent on the time . The time variable is the independent  variable as it can stand on it own .

Dependent variable → bacteria cell increase or population

Independent variable → time variable

8 0
3 years ago
If (-2, y) lies on the graph of y = 3x, then y =?
algol13
Y=3x
you use the order pair to substitute therefore y= 3(-2)
y= -6 .
8 0
3 years ago
Read 2 more answers
Jonathan runs 4 days a week. Each day, he runs 4 laps that are each 2 miles long. He spends 208 minutes running each week. He ru
fredd [130]

4 laps x 2 miles = 8 miles total

8 miles x 4 days = 32 total miles per week

208 / 32 = 6.5 minutes per mile

4 0
4 years ago
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