3 years ago

What is the value of the expression below when w = 3? 10w2 + 9w - 2

Mathematics

1 answer:

NISA [10]3 years ago

7 0

Answer:

10w2+9w-2

10*w*2+(9*w)-2

10*3*2+(9*3)-2

60+27-2

=85

Step-by-step explanation:

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sesenic [268]

Answer:

Hence the value of the test statistic is 0.780.

Step-by-step explanation:

Given:

Test Statistic:-

$t=\frac{\bar{X}-\mu }{\frac{S}{\sqrt{n}}}$

$t=\frac{11.2-10.8 }{\frac{1.7}{\sqrt{11}}}$

$t=\frac{0.4}{0.5126}\\t=0.780$

4 0

3 years ago

What is the equation of the line that passes through the point 3,-1 and has a slope of 2

LenaWriter [7]

Answer:

y=2x-7

Step-by-step explanation:

so here's my work

I just plugged stuff in so:

y+1=2(x-3)

y+1=2x-6

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2 years ago

1.9/10 times 3/6 then simplified

givi [52]

1) 0.095
2)0.1875
3)0.3
4)0.21875
5)0.133
6)0.66
7) 0.6
8)0.375

8 0

3 years ago

Please give me the right answer?

baherus [9]

(5 3/10) (m) + (5 3/10) (m) + (5 3/10) (m) + (5 3/10) (m)

P = 53/10 + 5 3/10 + 5 3/10 + 5 3/10

P = 53/10 + 53/10 + 5 3/10 + 5 3/10

P = 53/5 + 5 3/10 + 5 3/10

P = 53/5 + 53/10 + 5 3/10

P = 159/10 + 5 3/10

P = 159/10 + 53/10

P = 106/5

P = 21 1/5 meters

Answer: 21 1/5 meters (Decimal: 21.2m)

Hope that helps!!!! Have a great day!!!! : )

7 0

3 years ago

Factor each expression<br>(9 & 10)

s344n2d4d5 [400]

9)
8x+4*6
8x+24

11)
3t+2c=6tc

7 0

3 years ago