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Oksanka [162]
3 years ago
10

Factor this trinomial completely. 2x2 + 6x + 4 O

Mathematics
2 answers:
svp [43]3 years ago
4 0

Answer:

B.  2(x+2)(x+1)

Step-by-step explanation:

Rom4ik [11]3 years ago
3 0

\sf\purple{B. \:2(x + 2)(x+1) }

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

2 {x}^{2}  + 6x + 4

Taking 2 as common factor, we have

= 2 \: ( {x}^{2}  + 3x + 2) \\  =2 \: ( {x}^{2}   + 2x + x + 2)

Taking x as common from first two terms and 1 from last two terms, we have

= 2 \:[x(x + 2) + 1(x + 2)]

Taking the factor (x+2) as common,

= 2(x + 2)(x + 1)

\large\mathfrak{{\pmb{\underline{\orange{Happy\:learning }}{\orange{!}}}}}

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17 1/3 + (-50 1/3) -5 1/2
vovangra [49]
<span>17 1/3 + (-50 1/3) -5 1/2 
= -33  - 5 1/2 
= (</span>-33 ) + ( - 5 1/2)
<span>= -38 1/2

</span>
8 0
3 years ago
Read 2 more answers
One of your friends is testing the effect of drinking coffee on the duration of cold symptoms. The common cold lasts, on average
Nonamiya [84]

Answer:

0.0930

Step-by-step explanation:

Given that one of your friends is testing the effect of drinking coffee on the duration of cold symptoms. The common cold lasts, on average, 6 days.

she tests a one-sided alternative about the population mean cold duration when drinking coffee, H0: μcoffee = 6 Ha: μcoffee < 6 She finds z = −1.68 with one-sided P-value P = 0.0465.

If hypotheses changed to two tailed as:

H_0: \mu_{coffee}  = \mu_{tea}\\H_a: \mu_{coffee}\neq \mu_{tea}

(Two tailed test)

Since we have mean difference and std error the same, test statistic would remain the same.

p value for two tailed would be = twice the p value for one tail

=2(0.0465)\\= 0.0930

6 0
3 years ago
last week breana Bowen's computer for 10% off the advertised price the advertised price was 1800 how much did Rihanna have to pa
Rina8888 [55]
She had to pay 1620 for the computer
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3 years ago
Zoey needs at least $30 to buy a gift. She has $12. Which inequality could Zoey use to find out how much more money (m) she need
Juli2301 [7.4K]
The inequality would look something like; x+12=30
7 0
3 years ago
Read 2 more answers
Help me now !!!!!<br> help i need help
iren2701 [21]

cylinder:

V = πr²h

V = 3.14(2)² * 3

V = 3.14(4) * 3

V = 3.14(12)

V = 37.7m³

rectangular prism:

V = lwh

V = (2.4)(9)(5)

V = 108m³

the entirety of the sculpture:

V = volume of cylinder + volume of rectangular prism

V = 37.7 + 108

<u>V = 145.7m³</u>

4 0
2 years ago
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