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2 years ago

I'll mark you the brainiest if you get this right thx x

Mathematics

1 answer:

GenaCL600 [577]2 years ago

6 0

A) triangle c, has the largest area
b) a= 1/2 (3) (3) a= 4.5
the picture shows what i mean hope this helps :)

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use elimination to solve. For a production of sweeney Todd in Las Vegas, orchestra seats cost $42 and mezzanine seats cost $25.

lidiya [134]

They bought 8 orchestra seats and 6 mezzanine seats.

Step-by-step explanation:

Cost of one orchestra seat = $42

Cost of one mezzanine seat = $25

No. of people = 14

Amount spent = $486

Let,

x be the number of orchestra seats

y be the number of mezzanine seats

According to given statement;

x+y=14 Eqn 1

42x+25y=486 Eqn 2

Multiplying Eqn 1 by 25;

$25(x+y=14)\\25x+25y=350\ \ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2 to eliminate y;

$(42x+25y)-(25x+25y)=486-350\\42x+25y-25x-25y=136\\17x=136$

Dividing both sides by 17

$\frac{17x}{17}=\frac{136}{17}\\x=8$

Putting x=8 in Eqn 1

$8+y=14\\y=14-8\\y=6$

They bought 8 orchestra seats and 6 mezzanine seats.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

5 0

3 years ago

Louie made 8.1 liters of fruit punch using only grape juice and carbonated water. He used 4.2 liters of grape juice. The equatio

seropon [69]

4.2 +c = 8.1
c = 8.1 -4.2 = 3.9 . . . . subtract 4.2 from both sides

a.) 3.9 liters . . . . . is the appropriate choice

5 0

3 years ago

Sam borrowed $2,000,000 for a

Daniel [21]

The total amount Sam will pay in all will be $2,400,000

<h3>Simple interest </h3>

From the question, we are to determine the interest Sam pays in all

Using the simple interest formula,

I = PRT

From the given information,

P = $2,000,000

R = 5% = 0.05

T = 4

Putting the parameters into the formula,

I = $2000000 × 0.05 × 4

I = $400000

The interest Sam will pay is $400,000

The total amount Sam will pay in all will be $2,000,000 + $400,000

= $2,400,000

Hence, the total amount Sam will pay in all will be $2,400,000

Learn more on Simple interest here: brainly.com/question/16134508

#SPJ1

4 0

2 years ago

What is the 15th term of the sequence an = -2n(n 3)?

Hoochie [10]

An = -2n(n + 3)
a(15) = -2(15)(15 + 3) = -30(18) = -540

5 0

3 years ago

Is 12/50 Grader than 4/5

Oliga [24]

Answer:

No, $\frac{4}{5}$ is greater than $\frac{12}{50}$ .

Step-by-step explanation:

The two fractions to be compared are given as:

$\frac{12}{50}$ and $\frac{4}{5}$

Now, in order to compare them, we need to make the denominator same for both the fractions and then compare their numerators.

LCD of 50 and 5 is 100. So, we try to make each denominator 100 and change the numerator accordingly.

We multiply the first fraction by $\frac{2}{2}$ and we multiply the second fraction by $\frac{20}{20}$ as given below:

$\frac{12\times 2}{50\times 2}=\frac{24}{100}\\\frac{4\times 20}{5\times 20}=\frac{80}{100}$

Now, the two new fractions are $\frac{24}{100}$ and $\frac{80}{100}$ .

Now, we check the numerators. The numerator that is larger among the two has the greater fraction value.

Here, 80 is greater than 24. So, fraction $\frac{80}{100}$ is greater than $\frac{24}{100}$ or $\frac{4}{5}$ is greater than $\frac{12}{50}$ .

7 0

3 years ago