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Maslowich
2 years ago
12

4 +62 x :2 If b = 4 and c = 10, what is the value of the expression?

Mathematics
1 answer:
Montano1993 [528]2 years ago
5 0

Answer:

6 x=2.

Step-by-step explanation:

i did it

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The legs if an isosceles triangle are (3x^2+4x+2) inches and the base is (4x-5) inches. Find the perimeter of the triangle
alexdok [17]

Answer:

P=(6x^2+12x-1)\ in

Step-by-step explanation:

we know that

An isosceles triangle has two equal sides and two equal angles

so

The perimeter of triangle is equal to

P=2(3x^2+4x+2)+(4x-5)

Eliminate parenthesis

P=6x^2+8x+4+4x-5

Combine like terms

P=(6x^2+12x-1)\ in

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Find the area of the trapezoid.
goldenfox [79]

Answer:

<h3>105m²</h3>

Step-by-step explanation:

AREA=

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7 0
3 years ago
Read 2 more answers
please provider answer? A train travels 160160 km in the same time that a plane covers 720720 km. If the speed of the plane is 2
lys-0071 [83]
T=time
d=st
r=train speed
p=plane speed

<span>160=rt
</span><span>720=pt

speed of plan is 20kmph less than 5 times speed of train
p=5r-20

we notice that 160 times 4.5=720
times first equaton by 4.5

720=4.5rt
720=pt
set equal
4.5rt=pt
divide both sides by t
4.5r=p
sub </span><span>p=5r-20 for p
4.5r=5r-20
minus 4.5r from both sides
0=0.5r-20
add 20 to both sides
20=0.5r
times 2 both sides
40=r

sub back</span><span>
p=5r-20
p=5(40)-20
p=200-20
p=180

plane is 180kmph
train is 40kmph
</span>
3 0
3 years ago
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