3 years ago

5|2x + 4| – 3 = -3 Please help!

Mathematics

1 answer:

stellarik [79]3 years ago

3 0

The answer is X=-2
Hope it helps!

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Work out the area of this circle.

Vlada [557]

Answer:

530.998cm^2

Step-by-step explanation:

General formula for the area of a circle is πr^2

And π is given to be 3.142

R is 13 cm

So let's apply the formula

Area=3.142×(13^2)

Area=3.142×169

Area=530.998cm^2

So the area of the circle is 530.998cm^2

6 0

3 years ago

What is the surface area of the regular pyramid given below ?

Levart [38]

Answer:

Option C $207\ units^{2}$

Step-by-step explanation:

we know that

the surface area of a pyramid is equal to

$SA=B+LA$

where

B is the area of the base

LA is the lateral area

The area of the base B is

$B=9*9=81\ units^{2}$

The lateral area is equal to

$LA=4*(1/2)(9*7)=126\ units^{2}$

the surface area is equal to

$SA=81+126=207\ units^{2}$

5 0

3 years ago

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A movie theater charges $10 for adult tickets and $7 for child tickets. On a particular day, they made $1446 in ticket sales. Th

luda_lava [24]

X = adults
Y = child

X+y=168
X=168-y

$10x + $7y = $1446

10(168-y) + 7y = 1446
1680 - 10y + 7y = 1446
-3 y = -234
Y = 78

X = 168-78
X = 90

$10*90 + $7*78 =
$900 + $546 = $1446

6 0

2 years ago

Please help me with 1,2,3,4,5 and show me the steps and the answers do not send me link please

lina2011 [118]

Answer:

I did the first one on paper

Step-by-step explanation:

i also sent one page of my personal notes on right triangle Pythagoerean thereom I hope this helps

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2 years ago

The opposite angles of a rhombus are equal. <br> a. True <br> b. False

Sergeu [11.5K]

The answer is a, all rhombuses have equal sides, if they have equal sides then day have equal angles.

5 0

2 years ago

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