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2 years ago

HELP!!! PLEASE 50 POINTS!!!!!!!!!

Mathematics

1 answer:

natka813 [3]2 years ago

3 0

Answer:

d. (5,-2)

Step-by-step explanation:

On the original segment (black endpoints), the (red) point is the most accurate to being 2/3 the distance from endpoint (-3,8)

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Suppose a jar contains 15 red marbles and 19 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same

Kay [80]

Answer: $\bold{\dfrac{35}{187}}$

<u>Step-by-step explanation:</u>

1st marble and 2nd marble

$\dfrac{15\ red}{34\ total}$ $\times$ $\dfrac{14\ red}{33\ total}$ $=\dfrac{15\times 14}{34\times 33}=\dfrac{5\times 7}{17\times 11}= \boxed{\dfrac{35}{187}}$

8 0

2 years ago

Find the area of the blue shaded region. Round your answer to the nearest hundredth.

SSSSS [86.1K]

Answer:

173.01

Step-by-step explanation:

To area of a sector or portion of a circle is found using:

$A = \frac{N}{360} \pi r^2$

Substitute N = 50 and A = 27.93.

It becomes $27.93 = \frac{50}{360} \pi r^2\\27.93 = 0.139 \pi r^2\\200.94 = \pi r^2$

The area of the entire circle is 200.94. The area of the blue part of the circle can be found by subtracting the red section from the entire circle.

200.94 - 27.93 = 173.01

3 0

3 years ago

Please help ASAP give you 20 points and brainiest

GuDViN [60]

Answer:

Total charge= -25

Step-by-step explanation:

Given :

Charges of some ions

Aluminium +3

Phosphate -3

Chloride -1

Silver +1

To find total charge on 8 phosphate,7 chloride and 2 Aluminium atoms

Aluminium +3 × 2 =+6

Phosphate -3 × 8 = -24

Chloride -1 × 7 = -7

total charge=

+6-24-7 =+6 -31

= -25

6 0

3 years ago

Indicate in standard form the equation of the line through the given points.

Molodets [167]

Answer:

x-y=4

Step-by-step explanation:

(y+4)/(1+4) = x/5

(y+4)/5 = x/5

y+4 = x

-x+y= -4

x-y = 4

7 0

3 years ago

an astronomy club has 40 members of which five are males and the rest female. what is the ratio of females to males

velikii [3]

Answer:

40:5

Females:Males

8 0

3 years ago