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3 years ago

The Question Is Above

Mathematics

2 answers:

motikmotik3 years ago

6 0

Answer: I believe the answer is B!

Fofino [41]3 years ago

5 0

Answer:

Step-by-step explanation:

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Shanti wrote the predicted values for a data set using the line of best fit y = 2.55x – 3.15. She computed two of the residual v

Phantasy [73]

$a=4.1-4.5=-0.4\\b=7.2-7.05=0.15$

3 0

3 years ago

Suppose you choose a marble from a bag containing 4 red marbles, 2 white marbles, and 3 blue marbles. You return the first marbl

qaws [65]

Answer:

4/27

Step-by-step explanation:

total number of marbles=9

probability of red=4/9

since you returned the first marble, the total number of marbles remains the same

prob(Blue)=(3/9)=1/3

P(red then blue)=(4/9)*(1/3)

=4/27

4 0

3 years ago

Please help! Need answer ASAP!

Umnica [9.8K]

Answer:

Step-by-step explanation:

A) identical triangles PSR and PSQ

B) in the given triangle PQR angle P is 90 degrees and PS is perpendicular on QR. so the angle PSR and angle PSQ is 90 degrees also angles RPS , SPQ are 45 degrees . hence when two angles of a triangle are 90 and 45 degrees. the third is also 45 degrees. when the three angles of two triangles are equal they are said to be similar

C) the triangle PSR is a isosceles triangle therfore the two sides of the two oposite equal angles must be equal. if RS=4 then SP=4 as well the sides opposite to 45 degrees angles. the third side can be found by using the formula

c²=a²+b²

c²=4²+4²=16+16=32

c=√32=√16*2=4√2

4 0

3 years ago

X+y+z=7<br>5x-4y-2z=2 <br>4x+2y-3z=42

Anastaziya [24]

Answer:

67o87ov 97 76 777 7 799

Step-by-step explanation:

vdjyt uyt76yg b7ug jhikuybiu iu utff y yu

5 0

3 years ago

Of the films Empty Set Studios released last year, 60% were comedies and the rest were horror films. 75% of the comedies were pr

Alborosie

Answer: There are 22.5 films were profitable.

Step-by-step explanation:

Since we have given that

Number of total films = 40

Percentage of comedies = 60%

Number of comedies is given by

$0.6\times 40\\\\=24$

Percentage of horror films = 40%

Number of horror films is given by

$0.4\times 40\\\\=16$

Percentage of comedies were profitable = 75%

Number of profitable comedies is given by

$0.75\times 24=18$

Percentage of horror were unprofitable = 75%

Percentage of horror were profitable = 25%

Number of profitable horror films is given by

$0.25\times 18\\\\=4.5$

So, Total number of profitable films were

$18+4.5=22.5$

Hence, there are 22.5 films were profitable.

4 0

3 years ago