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pogonyaev
3 years ago
9

PLEASE HELP

Mathematics
1 answer:
ZanzabumX [31]3 years ago
6 0

Answer:

p1=2(3+6)p1=18p2=2(30+60)p2=180p2/p1=180/18=10c. The perimeter will be 10 times the original.  More

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The length of a rectangle is 18 centimeters less than five times its width. its area is 35 square centimeters. find the dimensio
Studentka2010 [4]
35 = 5*7
7 = 5*5 -18

The dimensions of the rectangle are: length = 7 cm, width = 5 cm.

_____
It is handy to know your times tables.

___
If you want, you can write a couple of equations and solve them.
.. L = 5W -18
.. LW = 35
Substituting for L, we have
.. (5W -18)W = 35
.. 5W^2 -18W -35 = 0 . . . . put in standard form
.. (W -5)*(5W +7) = 0 . . . . . factor
.. W = 5 or -7/5 . . . . . . . . . we are only interested in the positive solution

The width of the rectangle is 5 cm; its length is 7 cm.
5 0
3 years ago
Please help with # 9
Sliva [168]

Answer:Yes it will remain the same

Step-by-step explanation:

because you are adding the same amount to both sides!

6 0
3 years ago
What is the R coordinate point write in in (x,y) form
just olya [345]

Answer:

(2,-4)

Step-by-step explanation:

First see the x value by starting at the R and going up until you get to the vertical x line the number there is the x value.  (2)

Then go back to the R and move to the horizontal y line and that value is your y value(-4)

ALWAYS remember X comes BEFORE Y

therefore (2,-4)

PLEASE GIVE ME BRAINLIIEST

HAVE A GREAT DAY

6 0
3 years ago
For what values of a is the value of the binomial 2a−1 smaller than the value of the binomial 7−1.2a by 7?
Nimfa-mama [501]

ANSWER

a =  \frac{5}{16}

EXPLANATION

We want to find the value of a for which the binomial, 2a-1 is smaller than the value of the binomial 7-1.2a by 7.

This means that, when we subtract 2a-1 from 7-1.2a, we should get 7.

7 - 1.2a - (2a - 1) = 7

Expand:

7 - 1.2a - 2a  + 1= 7

Group similar terms:

- 1.2a - 2a = 7 - 7 - 1

- 3.2a =   - 1

Divide both sides by -3.2,

a =  \frac{ - 1}{ - 3.2}

a =  \frac{5}{16}

7 0
3 years ago
PLEASE HELP ME OUT THIS IS MY LAST QUESTION PLSSSS!!
mafiozo [28]

Answer:

d?

Step-by-step explanation:

6 0
3 years ago
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