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2 years ago

8

1. Which expression is equivalent to 8 - 3?

2 answers:

Helga [31]2 years ago

6 0

I think that it is B because it can’t be A and it can’t be c so my answer is B

miv72 [106K]2 years ago

5 0

Answer:

B I am guessing, not that good at english, though

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Wooden boxes are commonly used for the packaging and transportation of mangoes. A convenience store regularly buys mangoes from

mihalych1998 [28]

Answer:

Step-by-step explanation:

Given that a convenience store regularly buys mangoes from a wholesale dealer. For every shipment, the manager randomly inspects five mangoes from a box containing 20 mangoes for damages due to transportation. Suppose the chosen box contains exactly 2 damaged mangoes.

In the selected box 18 good mangoes and 2 damaged mangoes are there

a) Find the probability that the first mango is not damaged.

= prob of selecting 1 from any one of 18 good mangoes = $\frac{18}{20} =0.90$

b. Find the probability that neither of the mangoes is damaged. =

Prob of selecting 2 from 18 good mangoes

= $\frac{18C2}{20C2} =0.5276$

c. Find the probability that both mangoes are damaged.

= Prob of selecting 2 from 2 bad mangoes

= $\frac{2C2}{20C2} =0.005263$

6 0

3 years ago

a jar contains 30 red, 40 blue, and 59 white buttons. you pick one button at random, .find the probability that it is blue

Cerrena [4.2K]

Answer:

40/129

Step-by-step explanation:

30 Red + 40 Blue + 59 White = 129 marbles

40 blue / 129 marbles is about 31%

6 0

3 years ago

A paperweight in the shape of a rectangular prism is shown: A right rectangular prism is shown with length 10 cm, width 4 cm, an

ValentinkaMS [17]

Answer:

Square

Step-by-step explanation:

CHECK THE ATTACHMENT FOR THE FIQURE OF THE QUESTION

✓We were given the dimension of the rectangular prism as 10cm × 4cm × 4cm,

✓The cross section of the paperweight can be cut into half to it's base. Then the new dimension will be 4cm × 4cm which is a quadrilateral.

✓ Then width= 4cm, and height=4 cm are of the same values, hence the shape it forms is a SQUARE. and also the their angles is 90° each.

4 0

2 years ago

Assume that 28 take mathematics, 28 take psychology, and 13 take mathematics and psychology. How many students take exactly one

Arturiano [62]

28-M
28-P
13-M&P

one of two courses: 28+28=56

7 0

2 years ago

A plane has traveled 26 miles on a course heading 48º east of north. How far north (x) has the plane traveled at this point, to

GrogVix [38]

Answer: $17.4\ \text{miles}$

Step-by-step explanation:

Given

A plane has traveled 26 miles on a course heading $48^{\circ}$ east of north

Taking the component of travel in North direction

The distance traveled in North is given by with the help of figure

$\Rightarrow x=26\cos 48^{\circ}\\\\\Rightarrow x=26\times 0.669\\\\\Rightarrow x=17.4\ \text{miles}$

3 0

2 years ago