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V125BC [204]
3 years ago
8

PLS SOLVE THIS ASAP!!!!

Mathematics
1 answer:
TiliK225 [7]3 years ago
4 0
Angle 1 is 64 degrees. I hope this helps.
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The overall regression F-statistic tests the null hypothesis that:____.
AnnZ [28]

Answer:

A

Step-by-step explanation:

F test is a statistical method used to determine which models best fits the population from which the sample is derived. It is a ratio of two variances. Variance measure the rate of dispersion

The formula for calculating f-test = explained variance / unexplained variance

There are two hypothesis in an f test :

1. the  null hypothesis  - all slope coefficient are equal to zero

the alternative hypothesis : at least one of the slope coefficient is not equal to zero

8 0
2 years ago
The length of a rectangle is 6 cm less than twice its width. Find the dimensions of the rectangle if its areais 108cm
valentinak56 [21]

L=2w-6

area = L x W

108=(2w-6)w

108 = 2w^2-6w

2w^2-6w-108 = 0

2(w^2-3w-54)=0

2(w-9)(w+6) = 0

w=9

L= 2(9)-6 = 12

12*9 = 108

3 0
3 years ago
Match each system of equations to its solution represented by an augmented matrix.
SCORPION-xisa [38]

Answer:

Step-by-step explanation:

7 0
3 years ago
Can anyone help me solve this problem?​
lions [1.4K]

Answer:

x=58, m<DCB=56°

Step-by-step explanation:

Ok the sum of those two angles should equal 180 degrees so,

2x+8+x-2=180

solve the equation

3x+6=180

3x=174

x= 58

M<DCB=x-2--> 58-2=56

6 0
3 years ago
Hadley buys 7 boxes of markers with 8
Natalka [10]

Answer:

128

Step-by-step explanation:

7×8=56

12×6=72

56+72=128

7 0
3 years ago
Read 2 more answers
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