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coldgirl [10]
3 years ago
9

Which number line can be used to find the distance between (4, -1) and (8. - 1)?

Mathematics
2 answers:
dexar [7]3 years ago
6 0
The distance between them is four
posledela3 years ago
5 0
The distance between the two points is 4
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David goes into a candy store with $5.00. He buys 9 peppermints for $0.15 each, and some sour candies. Each sour candy costs $0.
klemol [59]

Answer:

14

Step-by-step explanation:

9*0.15=1.35

5-1.35=3.65

3.65/0.25=14.6=14 sour candies

6 0
3 years ago
A load of soil that can cover a garden with an area of 1035 square feet was donated to a community garden. The gardeners would l
Svetllana [295]

Answer:

Width=507

Length=528

Step-by-step explanation:

1035sqft - 21 = 1014

1014 divided by 2 = 507

8 0
2 years ago
PLEASE helppp I will give brainsssss!! FInd x and y
Veronika [31]

Answer:

x = 10°, y = 20°

Step-by-step explanation:

Fill in the missing angle measures, 20° and 70°.

7x = 180 - 90 - 20

7x = 70

x = 10

2y = 180 - 7x - 5x - 20 = 40

y = 20

7 0
3 years ago
Read 2 more answers
NEED HELP ASAP PLEASE
Nata [24]

Answer:

3x-5y = 26

Step-by-step explanation:

We have a point and a slope

Point slope form a line is given by

y-y1 = m(x-x1)

y--4 = 3/5 (x-2)

y+4 = 3/5( x-2)

We want it in slope intercept form  (y=mx+b)

Distribute the 3/5

y+4 = 3/5 x-6/5

Subtract 4 from each side

y+4-4 = 3/5x -6/5 -4

Get a common denominator for the constant terms

y = 3/5x -6/5 -20/5

y = 3/5x -26/5

Multiply each side by 5

5y = 3/5x *5 -26/5 *5

5y = 3x-26

Subtract 3x from each side

-3x+5y = -26

We usually want the x term to be positive

Multiply by -1

3x-5y = 26

This is standard form for a line



3 0
4 years ago
Calculate the allele frequencies in this population of palm trees. A model consisting of a box containing fourteen, randomly arr
bogdanovich [222]

Answer:

The correct answer is

0.5 F, 0.5 f

Step-by-step explanation:

We note the following

Number of colored circles in the box = 14

Number of red circles in the box = 4

Number of purple circles in the box = 6

Number of blue circles in the box = 4

The allele frequency are as follows

Where the frequency is given as

Genotype            Frequency                         Relative frequency        

FF = Red                    4                                       4/14 (0.29≈0.3)                  

Ff = Purple                 6                                       6/14 (0.43≈0.4)

ff = Blue                     4                                       4/14(0.29≈0.3)

Within this population,

We however  have 4 FF = 8 F

                                6 Ff =   6 F + 6 f  and

                                4 ff = 8 f

Total allele = 8+6+6+8 = 28

Relative frequency of F = (8+6)/28 = 14/28 = 0.5

relative frequency of f = (8+6)/28 = 0.5

Therefore the allele frequencies in the palm tree population is

0.5 F, 0.5 f

When in equilibrium we have

However the FF has the product of F×F which is = F² = 0.29 so the frequency of F = √(0.29) = 0.535≈ 0.5

The frequency of Ff is Ff or fF =  0.43 since there is equal number of each allele in Ff we have fF or Ff = Ff = 0.43

Which hives 0.43/2 = F =f ≈ 0.2

To  

and ff = 0.29 so that f = 0.535 ≈ 0.5

Therefore f = F  = 0.5 + 0.2 = 0.7

5 0
3 years ago
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