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juin [17]
3 years ago
13

Solve each if the given equalities2x + 5<-3​

Mathematics
1 answer:
Zarrin [17]3 years ago
8 0

Answer:

x < − 4

Step-by-step explanation:

Solve by:

Factoring, substituting for variables, then simplify!

Hope this helps!!

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What number can go into 270 and 3000
Digiron [165]
3000 / 270 ______ 11.1111111111111111111111111r r = reoccurring
4 0
3 years ago
Solve the following "marginal-revenue function" problem below
Katyanochek1 [597]

Answer:

  $65,139,000

Step-by-step explanation:

Integration of the given function involves straightforward application of the power rule. It can also be done easily by a modern calculator.

  \displaystyle \int_{1000}^{1300}{(190x-1370)}\,dx=95(1300^2-1000^2)-1370(1300-1000)\\\\=95(300)(2300)-1370(300)=300(95\cdot2300-1370)\\\\=65\,139\,000

Revenue from the sale of those 300 tickets will be $65,139,000.

4 0
2 years ago
Margie's car can go 32 miles on a gallon of gas, and gas currently cost $4 per gallon. how many miles can Margie drive on $20 wo
Marysya12 [62]
To do this first we will divide the amount of dollars (20) by the amount of dollars 1 gallon is for (4). Then we will multiply the amount of times 4 goes into 20 by 32 and the answer will be the amount of miles she can drive worth $20. 

20 ÷ 4 = 3
3 × 32 = 96

So, Margie can drive 96 miles in $20. 

Hope I helped ya!! xD 
6 0
3 years ago
Find the dimensions of a rectangle divided into two equal rectangles of maximum area that has total perimeter (including the mid
lilavasa [31]

The dimensions for this rectangle are b= 30 ft and h=20 ft.

<h3>Perimeter</h3>

The perimeter of a geometric figure is the sum of its sides.

The question  gives:

  • the geometric figure - rectangle
  • the total perimeter - 120 ft

Therefore for the perimeter, you have

P= \frac{b}{2} +\frac{b}{2}+ h+ h +h

P=2b+3h

2b+3h=120 (1)

From equation 1, you can write:

2b=120-3h

b=\frac{120-3h}{2}

b= 60 - \frac{3h}{2} (2)

The area for the rectangle is given by A= bh. Therefore, by replacing (2) in the formula for rectangle area, you have:

A= (60-\frac{3h}{2} )* h\\ \\ A= 60h-\frac{3h^2}{2}

The maximum area will be calculated from the derivation of the previous equation of area.

\frac{dA}{dh}=60-2*\frac{3h}{2}\\ \\  \frac{dA}{dh}=60-3h

The maximum area can be found when the first derivative is equal to zero. Thus,

60-3h=0

-3h=-60 *(-1)

3h=60

h=20

Now, you know the height and from equation 2 (b= 60 - \frac{3h}{2} ) you can find the base.

b= 60 -\frac{3*20}{2}

b=60 - 3*10

b=60-30

b=30

Read more about the First Derivative Test here:

brainly.com/question/6097697

#SPJ1

8 0
2 years ago
Which product is negative? −3⋅(−4)⋅(−9)⋅0 6⋅(−2)⋅(−3)⋅1 −2⋅(−4)⋅8⋅(−1) −7⋅(−3)⋅(−5)⋅(−8)
Leni [432]

Answer:

the 3rd one

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
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