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Zielflug [23.3K]
3 years ago
12

Select the expressions that are equivalent to 5(w+5)

Mathematics
2 answers:
Tcecarenko [31]3 years ago
8 0
5w+25 hope this helps
mestny [16]3 years ago
5 0
I don't see any expression to choose from, but the only expression I can think of that's equivalent to 5(w+5) is 5w+25
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Elizabeth has 87.75 feet of banner paper how many banners can she make that are 11.25 feet long. explain
lana [24]
7.8 or if you are rounding it’s eight
6 0
3 years ago
Expanding form for 73,489
taurus [48]

Answer:

70,000+3,000+400+80+9

Step-by-step explanation: hope this help!!

8 0
3 years ago
Read 2 more answers
A box with a square base and open top must have a volume of 32,000 cm3. find the dimensions of the box that mini- mize the amoun
zmey [24]
Alrighty


squaer base so length=width, nice


v=lwh
but in this case, l=w, so replace l with w
V=w²h

and volume is 32000
32000=w²h


the amount of materials is the surface area
note that there is no top
so
SA=LW+2H(L+W)
L=W so
SA=W²+2H(2W)
SA=W²+4HW

alrighty

we gots
SA=W²+4HW and
32000=W²H

we want to minimize the square foottage
get rid of one of the variables
32000=W²H
solve for H
32000/W²=H
subsitute

SA=W²+4WH
SA=W²+4W(32000/W²)
SA=W²+128000/W

take derivitive to find the minimum
dSA/dW=2W-128000/W²
where does it equal 0?

0=2W-1280000/W²
128000/W²=2W
128000=2W³
64000=W³
40=W

so sub back
32000/W²=H
32000/(40)²=H
32000/(1600)=H
20=H

the box is 20cm height and the width and length are 40cm
7 0
3 years ago
Simply <br>x + 50 × 10 = 150​
Doss [256]

Answer:

x + 50 × 10 = 150

x+500=150

x=150-500=-350

6 0
3 years ago
Read 2 more answers
What is the value of 7x 2squared + 2x when x = 3?
mash [69]

Answer:

Given expression has the value 69

Step-by-step explanation:

Given equation is:

=7x^2 + 2x

Now we have to put x = 3

So the equation will become:

=7(3)^2 + 2(3)

By simplifying:

As 3^{2} = 9

and 2*3 = 6

So the above equation will become:

=7(9 ) + 6\\= 63 + 6\\= 69

So the value of given expression is 69.

i hope it will help you!

6 0
3 years ago
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