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k0ka [10]
3 years ago
8

Simplify Completely:

Mathematics
2 answers:
raketka [301]3 years ago
5 0
5 \sqrt{162}-3 \sqrt{18}-4 \sqrt{98}= \\ 5\cdot 9 \sqrt{2}-3\cdot 3 \sqrt{2} -4\cdot 7\sqrt{2}=\\ 45 \sqrt{2}-9 \sqrt{2} -28\sqrt{2}=\\ 8 \sqrt{2}

<span>B) 8√2 </span>
MaRussiya [10]3 years ago
3 0
The correct answer is (B)
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Someone help me find the measure !
SashulF [63]
m<1=123

m<1+m<2=180 (straight line)
m<1+57=180
subtract 57 from both sides
m<1=123
3 0
3 years ago
The perimeter of a rectangle is 20 ft. The width 8th 4 ft less than the length. Find the dimensions of the rectangle
Gala2k [10]
Perimiter is 20ft
width is
what
do you mean the width is  8 feet less than the length? or 4ft less?

anyway

P=2(L+W)
20=2(L+W)
divide by 2
10=L+W
and
L=10-W

width is 4ft less than length (I assuming)
W=-4+L
repalce W with -4+L
L=10-(-4+L)
L=10+4-L
L=14-L
2L=14
L=7
W=-4+L
W=-4+7
W=3

it is 7ft by 3ft
7 0
3 years ago
Minerva starts a savings account with $50. The interest on the account balance is compounded annually. The graph below shows the
rodikova [14]

We can set up this equation using this formula:

a = p(1 + r/n)^nt

p = starting amount.

r = interest.

n = number of times it's compounded in a year

t = years

We'd set it up like this:

a = 50(1 + ?/1)^1(12)

Because we're missing the amount of interest, it would be impossible to tell what the amount would be after 12 years.


6 0
3 years ago
At 8:00 A.M., it was -5°F.
Dmitriy789 [7]

Answer:

-5F + 34* = 29*F

Step-by-step explanation:

Have a nice day! :-)

8 0
3 years ago
What is the area , in square meters of the shaded part of the rectangle below
Licemer1 [7]

Answer:

123.5 m^2

Step-by-step explanation:

The area of the whole rectangle is 9 x 19 = 171 m^2

The area of the region that isn't shaded is (5 x 19)/2 = 47.5 m^2 because the height of the triangle is 5 (9 - 4) and the area of a triangle is

(height x length)/2

171 - 47.5 = 123.5 m^2

4 0
4 years ago
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