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svetlana [45]
3 years ago
5

Two pizza delivery drivers compared the mean numbers of deliveries they completed in one day.

Mathematics
2 answers:
myrzilka [38]3 years ago
5 0

Answer:

The mean number of deliveries for driver A is less then the mean for driver B by 3 MADs.

Alenkinab [10]3 years ago
5 0

Answer:

CAN SOMEONE REMOVE THIS ANSWER.

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(Picture) MULTIPLYING MONOMIALS AND BINOMIALS
motikmotik

Answer:

Second option: 81y^4 - 16x^2, the difference of squares

Step-by-step explanation:

(9y^2-4x)(9y^2+4x) is a special product named difference of squares, then we can apply this formula:

(a-b)(a+b)=a^2-b^2, with a=9y^2 and b=4x, then:

(9y^2-4x)(9y^2+4x)=(9y^2)^2 - (4x)^2

(9y^2-4x)(9y^2+4x)=(9)^2 (y^2)^2 - (4)^2 (x)^2

(9y^2-4x)(9y^2+4x)=81y^(2*2) - 16x^2

(9y^2-4x)(9y^2+4x)=81y^4 - 16x^2


7 0
3 years ago
A triangle has angles that measure 72.5 degrees and 32.7 degrees. What is the measure of the third angle?
astraxan [27]
72.5+32.7= 105.2
Triangle angles have to equal 180
180-105.2= 74.8
Third angle= 74.8 degrees
8 0
3 years ago
Read 2 more answers
Solve for the missing length
Fofino [41]

Answer:

2 * sqrt(13)

Step-by-step explanation:

Use pythagoras' theorem.

4^2 + 6^2 = x^2 = 16 + 36 = 52 = 4*13

x = sqrt(4*13)=2 * sqrt(13)

6 0
2 years ago
The final grade in a biology course is determined by a score from 0 to 100, which has three components; a laboratory component o
vovangra [49]

Answer:

75*25%+(38+40)*50%+85*25%=59.5

Step-by-step explanation:

7 0
3 years ago
What are the solutions to
Svetllana [295]

Answer:

B and F

Step-by-step explanation:

Given

x² + 4x + 4 = 12 ( subtract 4 from both sides )

x² + 4x = 8

Using the method of completing the square to solve for x

add ( half the coefficient of the x- term )² to both sides

x² + 2(2)x + 4 = 8 + 4, that is

(x + 2)² = 12 ( take the square root of both sides )

x + 2 = ± \sqrt{12} ( subtract 2 from both sides )

x = ± \sqrt{12} - 2

  = ± 2\sqrt{3} - 2

Hence

x = 2\sqrt{3} - 2 → B

x = - 2\sqrt{3} - 2 → F

4 0
3 years ago
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