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stepan [7]
3 years ago
6

Econometrics answers using the ols estimates shown in the table​ below, compare the estimated effects of a 13 ​% increase in ave

rage district income on test scores in california and massachusetts.
Mathematics
1 answer:
Elanso [62]3 years ago
7 0
Please Send Lions, Monkeys, Cats And Zebras Into Lovely Hot Countries
Signed General Penguin
P - potassium
S - sodium
L - lithium
M - magnesium
C - calcium
A - aluminium
Z - zinc
I - iron
L - lead
H - hydrogen
C - copper
S - silver
G - gold
<span>P - platinum</span>
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Quick Please :) Exponents and powers
MrRissso [65]

Step-by-step explanation:

(  {4}^{ - 3} ) ^{ - 3}  =  {4}^{9}

( { - 4}^{9} )  ^{2} = ( - 4) {}^{18}

( {4}^{6} ) ^{ - 3}  =      \frac{1}{{4}^{18}}

(  { - 4}^{9} ) {}^{2}  = ( { - 4})^{18}

({4}^{0} ) =  {4}^{0}

Hope this is correct and helpful

HAVE A GOOD DAY!

6 0
2 years ago
Read 2 more answers
40x=10x^2+41 <br><br> Identify the number of solutions and their types using the discriminant
nydimaria [60]

Number of solutions: no roots

Type of solution: Not Real

Step-by-step explanation:

We need to identify the number of solutions and their types using the discriminant.

We are given: 40x=10x^2+41\\

Rearranging:

40x-10x^2-41=0\\10x^2-40x+41=0

Discriminant can be found by: b^2-4ac

where b=-40, a=10 and c=41

Putting values:

b^2-4ac\\=(-40)^2-4(10)(41)\\=1600-1640\\=-40\\

So, Discriminant is -40

If the discriminant is less than zero i.e -40 then there are no real roots.

So, Number of solutions: no roots

Type of solution: Not Real

Keywords: discriminant

Learn more about discriminant at:

  • brainly.com/question/8196933
  • brainly.com/question/9328925
  • brainly.com/question/9184197

#learnwithBrainly

6 0
3 years ago
Which statements are correct? Check all that apply.
Vadim26 [7]

Answer:

Arc FE is a minor arc.

Step-by-step explanation:

i cant really explain

4 0
2 years ago
Given. &lt;1 and &lt;2 are supplements , &lt;3 and &lt;4 are supplements, and &lt;1 = &lt;4
Veseljchak [2.6K]
Here’s the answers , it stops at 7 in the picture but here’s 8-9

8. Statement - m<1+m2=m<3+m<1
Reason - substitution property

9. Statement - m<2 = m<3
Reason - subtraction property

10. Statement - <2=<3
Reason - definition of = angles !!

3 0
3 years ago
Im not sure how to find the surface area. 35 points
Serga [27]

Answer: 3060 ft^2

Step-by-step explanation:

We will calculate the surface area of the rectangular prism and the triangular prism separately and then subtract off the face that isn't on the surface.

For the rectangular prism:

SA= Ph + 2B

P = 36+36+10+10

P = 92

B = 36*10 = 360

SA = 92*20+2*360

SA = 1840+720

SA = 2560

We subtract off the face on the right of the rectangular prism because it isn't on the surface so we get 2560-200 = 2360

Now for the triangular prism:

SA= Ph + 2B

P = 15+20+25

P = 60

B = 15*20/2

B = 150

SA = 60*10+2*150

SA = 600+300

SA = 900

Again we subtract off the face on the left bescause it's not on the surface so we get 900-200 = 700

Therefore, the total surface area = 2360+700 = 3060 ft^2

4 0
2 years ago
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