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Lunna [17]
3 years ago
5

50 PTS! NEED HELP NOW!

Mathematics
1 answer:
nordsb [41]3 years ago
4 0

Answer:

maybe its just me but I cant see it :( blurry

Step-by-step explanation:

You might be interested in
Please help
Liono4ka [1.6K]

Answer:

P(red) = .3

P(yellow) = .3

75 cubes in the box

Step-by-step explanation:

The probability has to add to 1

Since the number of red cubes equals the number of yellow cubes the probability has to be the same

.4 + x+x = 1

.4 +2x = 1

2x = 1-.4

2x = .6

Divide by 2

x = .6/2

x = .3

P(red) = .3

P(yellow) = .3

We know that

P(blue) = .4 = number of blue cubes/ total number of cubes

                 .4 = 30/total

                  total = 30/.4

                   total = 75

7 0
3 years ago
determine the perimeter and area of the Shaded portion of the figure below given the Circle diameter of 7 centimetre and the per
marshall27 [118]

Answer:

perimeter = 43.98cm

area = 76.96cm^2

Step-by-step explanation:

You take into account that the shaded regions are perfect circles, then, the total perimeter of the shaded regions are given by the circumference of both circles.

You calculate the circumferences, by using the following formula:

C=2\pi r      (1)

r: radio of the circles = (7/2)cm = 3.5cm

The total perimeter is twice the value of C in the expression (1). You replace r in (1), and calculate the total perimeter:

C=2\pi (3.5cm)=21.99cm\\\\C_T=2C=2(21.99cm)=43.98cm

The perimeter of the shaded region is 43.98cm.

The area of the shaded region is twice the area of one of the circle, which is given by:

A=\pi r2=\pi (3.5cm)^2=38.48cm^2\\\\A_T=2A=2(38.48cm^2)=76.96cm^2

The total area of the shaded region is 76.96cm^2

6 0
4 years ago
Round all the way 2689
Ratling [72]
2689

rounded to the nearest tens = 2690
rounded to the nearest hundreds = 2700
rounded to the nearest thousands = 3000

If the number before the place it needs to be round off is 5 and above, then it is rounded up. If the number is 4 and below, it is rounded down.

For example: 
2444 

rounded to the nearest tens = 2440
rounded to the nearest hundreds = 2400
rounded to the nearest thousands = 2000
4 0
4 years ago
A conjecture and the flowchart proof used to prove the conjecture are shown.
pishuonlain [190]

Answer:

∠1 is supplementary to ∠3.

Step-by-step explanation:

Given information: ABCD is a parallelogram.

Prove: ∠1 is supplementary to ∠3.

Proof:

∠1 = ∠ADB

∠2 = ∠DBC

∠3 = exterior angle adjacent to angle D B C.

Statement                                         Reason

∠2 is supplementary to ∠3           Linear pairs

m∠2+m∠3=180°                             Definition of supplementary angles

m\angle 1=m\angle 2                            Alternative interior angles

m∠1+m∠3=180°                              Substitute property of equality

∠1 is supplementary to ∠3            Definition of supplementary angles

Hence proved.

3 0
4 years ago
(Pre-Algebra)<br><br> PLEASE HELP ME WITH THE QUESTIONS ABOVE!
faust18 [17]
A) 460 ≥9.50h+60

B) the minimum of hours Jessie can work is about 42 hours.
3 0
4 years ago
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