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PilotLPTM [1.2K]
3 years ago
13

Which statement describes the expression of 16 + 1/2 * 8 - 6

Mathematics
1 answer:
HACTEHA [7]3 years ago
4 0
16 added to the product of 1/2 times 8, and then subtracted by 6.

16+4-6=20-6=14
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Solve the following quadratic equation 3x²-8x+5=0<br>​
nekit [7.7K]

To solve this equation, let's factor the left side.

Although you can factor it in different ways, I will show you a trick.

First, forget about the 3 and we have x² - 8x + 5.

Now, multiply the 3 by the constant to get 15.

So we have x² - 8x + 15.

Now factor to get (x - 5)(x - 3).

Now divide each of the constants in the

binomials by the leading coefficient, 3.

So we have (x - 5/3)(x - 3/3).

Simplify to get (x - 5/3)(x - 1).

Now move any denominators in front of the x in the binomial.

Moving the 3 in front of the x, we have 3x.

So our answer is (3x - 5)(x - 1) = 0.

So either 3x - 5 = 0 or x - 1 = 0.

Solving from here, we get x = 5/3 or x = 1.

8 0
3 years ago
Find value of x 4(x+6)° (5x+11)°
Evgesh-ka [11]

Value of x = 13°

Hope it helps you...

5 0
3 years ago
I purchase x pizzas, y 12-packs of soda, and z cupcakes for a party. If each pizza costs $7.50, each 12-packs of soda costs $3.2
svetlana [45]

Answer:

t=7.50x+0.75z+3.25y

8 0
3 years ago
Ms. Watts is a famous motivational speaker. She travels across the country by jet and gives an average of ten presentations a we
expeople1 [14]

Answer:

5 weeks

Step-by-step explanation:

We are told that the auditorium holds an average of 1000 people each.

And that she charges $40 each.

Thus;

Total income for each speech is;

1000 × 40 = $40000

Since she gives an average of 10 presentations each week.

Total income per week = 10 × 40000 = $400,000

Now,the expenses she makes for each speech weekly is;

Renting auditorium = $15000

Motel, jet expenses, support personnel = $75000

Thus,

Total expenses per week = 15000 + 75000 = $90000

Now, total profit per week is;

P_weekly = Total income per week - Total expenses per week

P_weekly = $400000 - $90000

P_weekly = $310000

There are 52 weeks in a year, thus, profit in a year is;

P_yearly = 52 × 310000 = $16120000

Now, we want to find out how long it took her to make $1,400,000 a year.

We know that;

$16120000 was achieved in 52 weeks

Thus;$1,400,000 will be achieved in;

(1400000 × 52)/16120000 = 4.52 weeks approximately 5 weeks.

4 0
3 years ago
How to solve this equation 18.5 = -4.5 + 7(k + 6)
yawa3891 [41]
1. Add -4.5 to 18.5
2. Divide 23 by 7
3. Then subtract 6 from -2.7
8 0
3 years ago
Read 2 more answers
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