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Allisa [31]
3 years ago
13

(-2)+(-1)+(-1)+(-2)+(g-2)=

Mathematics
1 answer:
DerKrebs [107]3 years ago
7 0
<h2>Answer: g - 8</h2><h2>______________________________</h2><h3>Simplify the expression.</h3>

Hope this helps!

Also can I have Brainliest please?

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Which ordered pairs are solutions to the equation<br> 2x + 10y = 12?
vovangra [49]

Answer:

(4,2/5) (−5,11/5)

Step-by-step explanation:

To determine which pairs are solutions, substitute the coordinates into the left side of the equation and if equal to the right side then they are solutions.

(7, - 2)

2(7) + 10(- 2) = 14 - 20 = - 6 ≠ 12 → (7, - 2) is not a solution

(- 5, - 4)

2(- 5) + 10(- 4) = - 10 - 40 = - 50 ≠ 12 → (- 5, - 4) is not a solution

(4,  )

2(4) + 10() = 8 + 4 = 12 → hence solution

(- 5,  )

2(- 5) + 10( ) = - 10 + 22 = 12 → hence solution

4 0
3 years ago
Read 2 more answers
A company’s total revenue from manufacturing and selling x units of their product is given by: y = –3x2 + 900x – 5,000. How many
cricket20 [7]

Answer:

150 units;

Maximum revenue: $62,500.

Step-by-step explanation:

We have been given that a company’s total revenue from manufacturing and selling x units of their product is given by y=-3x^2+900x-5,000. We are asked to find the number of units sold that will maximize the revenue.

We can see that our given equation in a downward opening parabola as leading coefficient is negative.

We also know that maximum point of a downward opening parabola is ts vertex.

To find the number of units sold to maximize the revenue, we need to figure our x-coordinate of vertex.

We will use formula \frac{-b}{2a} to find x-coordinate of vertex.

\frac{-900}{2(-3)}

\frac{-900}{-6}

150

Therefore, 150 units should be sold in order to maximize revenue.

To find the maximum revenue, we will substitute x=150 in our given formula.

y=-3(150)^2+900(150)-5,000

y=-3*22,500+135,000-5,000

y=-67,500+135,000-5,000

y=62,500

Therefore, the maximum revenue would be $62,500.

5 0
3 years ago
Two computers just scanned for viruses at the same time. Computer A runs a virus scan every 2.75 days. Computer B runs a virus s
Elis [28]

Let the time taken by computer for virus scan be, 'x' days

We are given that Computer A runs a virus scan in every 2.75 days and Computer B runs a virus scan in every 3.5 days.

<h3>Amount of work done by computer A⤵️</h3>

Amount of work done in one day = \tt\frac{1}{2.75}

Amount of work done in x days = \tt\frac{x}{2.75}

<h3>Amount of work done by Computer B⤵️</h3>

Amount of work done in one day = \tt\frac{1}{3.5}

Amount of work done in x days = \tt\frac{x}{3.5}

Since, They are doing the same work the amount of work done is 1.

\sf \:  \frac{x}{2.75}  +  \frac{x}{3.5}  = 1

Solve for x ~

\sf \frac{x}{ \frac{11}{4} }  +  \frac{x}{ \frac{7}{2} }  = 1

\sf \frac{4x}{11}  +  \frac{2x}{7}  = 1

\sf \: 28x + 22x = 77

\sf \: 50x = 77

\sf \: x =  \frac{77}{50}

\boxed{ \bf \: x = 1.54}

➪ <em>Thus, the time taken when both computers run a virus scan at the same time again is, 1.54 days</em>

8 0
2 years ago
identify the graph of the equation. What is the angle of rotation for the equation? 13x^2+6sprt3xy+7y^2-16=0
Papessa [141]
We are given the equation:

13x^2 + 6√3 xy + 7y^2 - 16 = 0

Based on the general equation of conic sections:

Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0,

A = 13
B = 6√3
C = 7
D = 0
E = 0
F = -16

So we can find the graph of the equation by solving for the discriminate B^2 - 4AC 

B^2 - 4AC, substitute given:

(6^2 * 3) - 4 (13 * 7) = -256

since the discriminate is less than zero, the graph could be a circle or a parabola. In this case, the values of A and C are not equal, then our graph is a parabola. 
6 0
3 years ago
Read 2 more answers
9. Marika Perez's gross biweekly pay is $2,768.00 How much does she earn annually.
faust18 [17]
The answer is 71,968
5 0
3 years ago
Read 2 more answers
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