The inequality of 8z+3-2z<51 is

Answers

Answer 1

Answer: 8z - 2z < 48
6z < 48
z < 8

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Brandie lives on the twelfth floor of her apartment building. She walks down 2 flights to visit a friend, then up 3 flights to deliver a message to a neighbor. Which integer best represents the number of flights Brandie must walk to get back to her starting point?A.–12
B.–1
C.5
D.7

Answers

Answer:

Option B. -1

Step-by-step explanation:

Brandie lives on the twelfth floor of her apartment building.

She walks down 2 flights to visit a friend = 12 - 2 = 10th floor

Then up 3 flights to deliver a message to a neighbor = 10 + 3 = 13th floor

Now Brandie walk to get back to her starting point that is 12th floor, she must walks down 1 flight.

So the answer would be option 'B' -1

B.-1 because she started on the twelfth floor she walks down 2=10 and then back up 3=13 so she has walk down 1 flight to get back.

Plz answer rn nmmmm ASAP!!

Answers

Answer:

Step-by-step explanation:

A shoe salesman earns a commission of 20% of all shoe sales made. Yesterday he sold 2 pairs of shoes for $80 each and 3 pairs of shoes for $70 each. How much did he earn in commission yesterday?

Answers

Answer:

The shoe salesman will earn a commission of=$74

Step-by-step explanation:

Step 1: Value of sales

Express the total value of sale the shoe salesman makes as follows;

Total value of sales=number of shoes sold×price per shoe

where;

Number of shoes sold and price per shoe=2 pairs each at $80

number of shoes sold a and price per shoe=3 pairs each at $70

replacing;

Total value of shoes sold=(2×80)+(3×70)=$370

Total value of shoes sold=$370

Step 2: Calculate how much the shoe salesman earns

The expression for how much the shoes salesman will earn is as follows;

A=r×c

where;

A=total amount of the shoe salesman income

r=commission rate

c=total value of sales

In our case;

A=unknown

r=20%=20/100=0.2

c=$370

Step 3: Substitute values in the expression

A=20% of $370

A=0.2×370

A=74

The shoe salesman will earn a commission of=$74

Answer:

$74

Step-by-step explanation:

Just did test

Simplify 6x - 4 - 6x

Answers

If you combine like terms, positive 6 x and negative 6 x cancel each other out and you are left with -4.

6x - 4 - 6x = = -4

(please help me out D: ) (I screenshot the question and answer)

Answers

To find the perimeter, you need the lengths of all 3 legs,
and then you add them up.

Can you find the lengths of the other 2 sides of that triangle ?

Here are a couple of factoids I learned in 1954 and I never forgot:

In a 30°- 60°- 90° right triangle . . .

-- the side opposite the 30° angle (the shorter leg)
is 1/2 the length of the hypotenuse,
and
-- the side opposite the 60° angle (the longer leg)
is (1/2 the length of the hypotenuse) times (√3).

If you have a 30°- 60°- 90° triangle and you know the length
of any one side, then you can find the lengths of the other
two sides with these amazing factoids.

Help me with this question please thank you A ball is thrown downward from a window from a tall building. Its position at time t in seconds is s = 16t^2 + 32t, where s is in feet. How long (to the nearest tenth) will it take the ball to fall 161 feet.

Answers

$s=16t^2+32t;\ s=161\n\n16t^2+32t=161\n\n16t^2+32t-161=0\n\na=16;\ b=32;\ c=-161\n\n\Delta=b^2-4ac\to\Delta=32^2-4\cdot16\cdot(-161)=1024+10304=11328\n\nx_1=(-b-\sqrt\Delta)/(2a);\ x_2=(-b+\sqrt\Delta)/(2a)\n\n√(11328)=√(64\cdot177)=8√(177)\approx106.4\n\nx_1=(-32-106.4)/(2\cdot16)< 0;\ x_2=(-32+106.4)/(2\cdot16)=(74.4)/(32)=2.325\approx2.3\ (ft)$

if I understood correctly:
s = 16t^2 + 32t, s=161
16t^2 + 32t=161
16t^2 + 32t-161=0
t=(-32+8√177)/32=-1+√177/4≈2,326≈2,3

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