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Kobotan [32]
4 years ago
5

(04.04)Marcus spent 10 hours doing his homework last week. This week he spent 11 hours doing homework. He says that he spent 110

% more time doing homework this week. Is he correct? Show your work to justify your decision.
Mathematics
1 answer:
IRINA_888 [86]4 years ago
4 0
I think the answer is no
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Round 45.983 to the nearest whole number, tenth and hundredth.
Nady [450]

Answer:

46

Step-by-step explanation:

if you round to the nearest whole, look at the tenths place and if it is bigger than 4, then then you round up, like 7043.7305 to 7044 but if the tenths place is smaller than 5, the number stays the same but the decimal part is gone, like 350.24569405 to 350.

8 0
3 years ago
For a random sample of Harvard University psychology majors, the responses on political ideology had a mean of 3.18 and standard
Nutka1998 [239]

Answer:

From the test give in the question it is obvious that  there is enough evidence to show that population mean varies for vegetarian and non-vegetarian

The P-value helps affirm the null hypothesis claims,The P-value attains  values relatively as large as that which exists in the sample given,if the null hypothesis is right

Step-by-step explanation:

From the question we are told that

Sample mean \=x_1=3.18

Standard deviation \delta_! =1.72

Sample size n_1 =51

Sample mean \=x_2=2.22

Standard deviation \delta_2 =0.67

Sample size n_2=20

Generally this is a two tailed test

therefore

   Null hypothesis  = h_0 :P_v_e_g= P_n_o_n_v_e_g

  Alternative hypothesis H_a : P_v_e_g \neq  P_n_o_n_v_e_g

From the test give in the question it is obvious that  there is enough evidence to show that population mean varies for vegetarian and non-vegetarian

The P-value helps affirm the null hypothesis claims,The P-value attains  values relatively as large as that which exists in the sample given,if the null hypothesis is right

6 0
3 years ago
Evaluate the expression for x = 15 x - 9
vesna_86 [32]

[ Answer ]

\boxed{6}

[ Explanation ]

X = 15

X - 9

Substitute 15 For X

15 - 9

= 6

\boxed{[ \ Eclipsed \ ]}

8 0
3 years ago
Read 2 more answers
18. need help with this cone question
natita [175]

answer

given

v=2100cm³

h=3r

v=1/3πr²h

soln

v=1/3πr²h

2100cm³=1/3×π×r²×3r( you will insert 3r in the place of h.)

2100cm³=3π/3×r³(cancel 3 by 3)

2100cm³= πr³

r³=2100cm³/3.14 ( π=3.14)

¾r³=¾2100cm³/3.14(I make them cube root.sorry I can't use the real cube root so I replace it by ¾)

r=8.74…

5 0
4 years ago
THIS IS TIMED I NEED THE ANSWER NOW
laila [671]

Answer:

114 pi or 359

Step-by-step explanation:

7 0
4 years ago
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