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Alik [6]
2 years ago
9

Expand: -4(2x + 2) +3​

Mathematics
1 answer:
Juli2301 [7.4K]2 years ago
5 0

Answer:

-8x-8+3

-8x-5

that is the answer for this question and I will send you the link to mp3 and

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What is the area (in square feet) of a rectangle that measures 12'-7" by 9'-9"?
ikadub [295]

Answer:

122.6875 (122 ft 8.25 in)

Step-by-step explanation:

12 ft 7in = 151 in

9 ft 9 in = 117 in

151 x 117 = 17667

17667in = 122 ft and 8.25 in = 122.6875 ft

If my answer is incorrect, pls correct me!

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2 years ago
Can you guys give a Ratio problem for my class?
dalvyx [7]

Answer:

no

Step-by-step explanation:

5 0
2 years ago
PLZ ANSWER THIS CORRECTLY FOR 100 POINTS AND BRANLIEST :DD
gavmur [86]

Actually Welcome to the Concept of the Angles,.

Since,the AE is a angle bisector, hence, BAE = EAC simply.

hence we equate them..

===> x+ 30 = 3x - 10

==> 3x - x = 30 + 10

==> 2x = 40

==> x = 20°

hence the major angle EAC = 3(20)-10 = 60-10 = 50°

hence, angle EAC = 50°

8 0
2 years ago
Wendy is comparing two checking account. one has a monthly fee of $9 and a per-check fee of $0.50, and the other has a monthly f
Ilya [14]
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3 years ago
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In what follows use any of the following tests: Regression, multiple regression, one-sided t-test, or two-sided t-test. All conc
Yakvenalex [24]

Answer:

  1. Two sided  t-test ( d )
  2.  0.245782  ( c )
  3. Since P-value is too large we cannot conclude that the students’ weight are different for these two schools. ( c )
  4. The test is inconclusive; thus we cannot claim that the average weights are different. ( b )

Step-by-step explanation:

1)  Test performed is a Two sided test and this because we are trying to determine the mean difference between two groups irrespective of their direction

<u>2) Determine the P-value ( we will use a data-data analysis approach on excel data sheet while assuming Unequal variances )</u>

                               yes             No

Mean                   94.47059   89.76471

Variance              173.2647     95.19118

Observations            17            17

df                               30

t Stat                       1.184211  

P(T<=t) one-tail 0.122814  

t Critical one-tail 1.697261

P(T<=t) two-tail        0.245782

Hence The p-value =  0.245782

3) Since P-value is too large we cannot conclude that the students’ weight are different for these two schools.

4)   The test is inconclusive; thus we cannot claim that the average weights are different.

8 0
2 years ago
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