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3 years ago

Which system of inequalities with a solution point is represented by the graph?

Mathematics

2 answers:

Rudiy273 years ago

7 0

The answer to that one would be D.

Ronch [10]3 years ago

5 0

The answer is y > 2x + 2 and y < x + 1; (–3, 1)

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A jar is filled with 74 different colored marbles, 10 of which are red, 38 of which are blue, and 26 of which are green. A playe

Alex_Xolod [135]

Solution :

Colored marble Prize

Red ---- 10 20

Blue --- 38 10

Green --- 26 5

P(red) = 10/74 = 5/37

P(blue) = 38/74 = 19/37

P( green) = 26/74 = 13/37

Therefore,

X → Red Blue Green

P(X) 5/37 19/37 13/37

The expected values are :

$$20 \times \frac{5}{37} - 10 \times \frac{19}{37} - 5 \times \frac{13}{37}$

= -4.189

Thus it is not profitable to play the game.

6 0

3 years ago

1. Triangle ABC with coordinate points A(-2,3); B(-1,0); C(5,-4) is rotated 90 degrees clockwise. What

Reil [10]

Answer: A'(3,2), B'(0,1) and C'(-4, -5).

Step-by-step explanation:

When we rotate (a,b) 90 degrees clockwise, the new point will be (b,-a).

i.e. rotation rule for 90 degrees clockwise : (x,y) → (y,-x)

Given: Triangle ABC with coordinate points A(-2,3); B(-1,0); C(5,-4) is rotated 90 degrees clockwise.

Then, the new image points for triangle A'B'C' will be :

A(-2,3) → A'(3,-(-2)) =A'(3,2)

B(-1,0)→ B'(0,-(-1)) = B'(0,1)

C(5,-4) → C'(-4, -5)

Hence, the new image points for triangle A'B'C' are A'(3,2), B'(0,1) and C'(-4, -5).

6 0

3 years ago

Only need answers to number 2 and 3 would be helpful ASAP

12345 [234]

Answer:

2 is option 3

3 is option 2

Step-by-step explanation:

4 0

3 years ago

Richard’s store sells pineapples and grapefruits. Pineapples originally cost $5.15 apiece, and grapefruits originally cost $2.25

sveta [45]

Answer:

c. The price of grapefruits experienced a reduction 6.01 percentage points greater than the price of pineapples.

Step-by-step explanation:

The original price of Pineapples=$5.15

New price of Pineapples=$3.88

Find change in price of Pineapples

Change in price=original price- new price

$=5.15-3.88=1.27$

The price of Pineapple was reduced by $1.27

% reduction in price

(reduction value/original value) × 100

$=\frac{1.27}{5.15} *100=24.66$

=24.66%

The original price of grape fruits=$2.25

New price of grape fruits=$1.56

Change in price of grape fruit

Change in price= original price -new price

$=2.25-1.56=0.69$

% reduction in price of grape fruits

(reduction value/original value)×100

$=\frac{0.69}{2.25} *100=30.67$

=30.67%

Answers

The fruit that has its price reduced by a greater percentage is grape fruit

How many percentage points greater = 30.67%-24.66% = 6.01 points

5 0

4 years ago

Read 2 more answers

0.25e − 14 = 26 please anwser i need a tutor for math

Scorpion4ik [409]

0.25e − 14 = 26 Then you add 14 from both sides

0.25e=40 Then you divide both sides by 0.25

e=160

Then to check you work you do this:

0.25(160)-14=26

40-14=26

26=26 Correct!!!!

4 0

4 years ago

Read 2 more answers