your a teacher pick whitch on is right abram 50 nadeen 18 which is right Explain what the student did wrong who has the incorrect answer 8+2•(6-1)

Answers

Answer 1

Answer: *Answer* : 50

*Explanation* :

8+2•(6-1)
10•(6-1)
10•6 10•-1
60 -10 = 50
I hope this helps :))

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There are 600 people on a cruise ship.The over 30s and the 30 and unders are in the ratio 4:1.
30% of the over 30s are female.
Work out how many of the over 30s are male.
Submit Answer
males over 30

Answers

Step-by-step explanation:

600 people is the total number of people.

with a given ratio of 4:1 we know that this total number of people is basically split into 5 (4 + 1) equal units.

each of the 5 units is therefore

600 / 5 = 120 people.

the "over 30s" are 4 of these units = 4 × 120 = 480 people.

the "30 and under" are 1 unit = 120 people.

30% of these 480 "over 30" people are female.

that leaves under normal circumstances 100 - 30 = 70% of these 480 "over 30" people to be male.

100% = 480

1% = 100%/100 = 480/100 = 4.8

70% = 1% × 70 = 4.8×70 = 48×7 = 336 people.

there are 336 males over 30 on that ship.

Choose the equation below that represents the line passing through the point (-3,-1) with a slope of 4.A) y = 4x - 11
B) y = 4x + 11
C) y = 4x + 7
D) y = 4x - 7

Answers

Answer:

The answer is the option B

$y=4x+11$

Step-by-step explanation:

we know that

The equation of the line into slope point form is equal to

$y-y1=m(x-x1)$

in this problem we have

$m=4$

$point(-3,-1)$

substitute

$y-(-1)=4(x-(-3))$

$y+1=4(x+3)$ ---> equation of the line into slope point form

isolate the variable y

$y=4x+12-1$

$y=4x+11$ ---> equation of the line into slope intercept form

Answer: B) y = 4x + 11

Solve: y = -7(-13).
GIVING BRAINLIST HURRY UP!!!

Answers

Answer:

The answer is 91

Step-by-step explanation:

~Hoped this helped~

Anyone....please!!The largest frog in the world is the goliath, found in West Africa. This type of frog can grow to be 12 inches long. The smallest frog in the world is about 4% as long as the goliath. What is the approximate length of the smallest frog in the world?

Answers

Multiply 12 by 4%, or 4/100, and 4/100 simplifies to 1/25. 12/1 x 1/25 = (12 x 1)/(1 x 25) = 12/25, which equals 0.48. So, the smallest frog is 0.48 inches long, but can be rounded to 0.5 inches long.

Solve by substitution
X+3y=1 and -3x-3y=-15

Answers

$x+3y=1\n -3x-3y=-15\n add\quad the\quad equ.\n (x+3y)+(-3x-3y)=1-15\n x-3x+3y-3y=-14\n -2x=-14\n x=\frac { -14 }{ -2 } \n x=7\n Let's\quad rewrite\quad the\quad equ.\n 7+3y=1\n 3y=1-7\n 3y=-6\n y=\frac { -6 }{ 3 } \n y=-2$

Find the greatest common factor of 16 and 9.

Answers

The greatest common factor 16 and 9 is one.

The factors of 16 are 1, 2, 4, 8, 16.

The factors of 9 are 1, 3, 9.

The only factor common to both is 1.

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