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bagirrra123 [75]
3 years ago
15

HELP PLEASE WILL GIVE BRAINLIEST WORTH 50 POINTS

Mathematics
2 answers:
Alja [10]3 years ago
8 0

Answer:

y = 8.13 x -16125.713


hope it helps

Step-by-step explanation:

Sum of X = 14004

Sum of Y = 977

Mean X = 2000.5714

Mean Y = 139.5714

Sum of squares (SSX) = 53.7143

Sum of products (SP) = 436.7143

Regression Equation = ŷ = bX + a

b = SP/SSX = 436.71/53.71 = 8.13032

a = MY - bMX = 139.57 - (8.13*2000.57) = -16125.71277

ŷ = 8.13032X - 16125.71277

Mashutka [201]3 years ago
7 0

Answer:

3

Step-by-step explanation:

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4 0
3 years ago
Write the expression as a square of a monomial. <br><br><br><br><br><br><br><br><br><br> a 81x^4
poizon [28]

Answer:

(9x²)²

Step-by-step explanation:

Given the expression 81x⁴, to write the expression as a square of a monomial, first we will assign a variable to the expression.

y = 81x⁴

Then we take the square root of both sides of the expression

√y = √81x⁴

y^½ = √81 × √x⁴

y^½ = 9x²

Squaring both sides of the resulting equation to get y back

(y^½)² = (9x²)²

y = (9x²)²

The expression as a square of a monomial is (9x²)²

7 0
3 years ago
Read 2 more answers
Find the value of x.
ehidna [41]

Answer:

x = 25

Step-by-step explanation:

We know that the remaining angles add up to 90°, because the right angle (triangles have 180° total.)

2x + 15 + x = 90 | Given

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3x = 75 | Subtract 15

x = 25

4 0
2 years ago
Express the ratio below in its simplest form. 3 : 3 1 /2
slavikrds [6]

Answer:

<em>1/3÷1/2 </em>

<em> </em>

<em>1/3×2 (reciprocal on dividing) </em>

<em> </em>

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<h2>plzz give<u><em> brainiest</em></u></h2>

6 0
3 years ago
Read 2 more answers
Am I right?<br> I want to know if I am right
german

Answer:

B $13

Step-by-step explanation:

Julie has 16.73  That is approximately 17 dollars

She buys a purse that is 4.12.   That is approximately 4 dollars

17 -4 = 13

She will have approximately 13 dollars left

8 0
3 years ago
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