4 years ago

HELP QUICK

Mathematics

1 answer:

ASHA 777 [7]4 years ago

4 0

Answer:

Step-by-step explanation:

3x + 6 = 2x

3x - 2x = -6

x = -6

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a recent survey found that 40% of high school students exercise regularly. If you choose 5 students at random, what is the proba

enyata [817]

Answer:

0.05

Step-by-step explanation:

We can correctly state that the total sample space= 100 students

40% of 100 students exercise regularly

The probability that 5 students

Picked at random exercise regularly is

Pr(5) = 5/100= 1/20

Pr(5)= 0.05

4 0

4 years ago

What is 4^2y-3^2=-5y+(-5+7) Please explain step by step i need this asap :/

dybincka [34]

y = 11/21

To solve this first evaluate the power (then calculate the sum):

$4^{2}$ y - $3^{2}$ = 5y + (-5 + 7)

16y - 9 = -5y + 2

Next Move terms (move variable to the left side and change its sign) (Move constant to the right side and change its sign):

16y - 9 = -5y + 2

16y + 5y = 2 + 9

Next Collect the like terms and calculate the sum:

16y + 5y = 2 + 9

21y = 11

Lastly divide both sides of the equation by 21:

21y = 11

y = $\frac{11}{21}$

4 0

3 years ago

Read 2 more answers

Ben adopted 2 cats and 3 dogs. He spent a total of $455. If each dog cost him $82, how much did one cat cost him?

monitta

Answer:$104.5

Step-by-step explanation:

cats=c

Dogs=d

2c+3d=455

d=82

Substitute d=82 in 2c+3d=455

2c+3(82)=455

2c+246=455

Collect like terms

2c=455-246

2c=209

Divide both sides by 2

2c/2=209/2

c=104.5

1 cat cost $104.5

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3 years ago

What is the probability of either outcome b or d?

anygoal [31]

Answer:

Step-by-step explanation:

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4 years ago

Find the missing measurement.

soldier1979 [14.2K]

Answer:

Step-by-step explanation:

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3 years ago