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White raven [17]
3 years ago
12

Surface area of a equilateral by hand

Mathematics
1 answer:
KiRa [710]3 years ago
4 0

surface area of a equilateral by hand a 140.4 cm and 9cm

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Cual es la forma más simple al efectuar la operación indicada en la expresión (-3) (-12) ?
gulaghasi [49]

Answer:

Cual es la forma más simple al efectuar la operación indicada en la expresión (-3) (-12) ?  this means What is the simplest way to perform the operation indicated in the expression (-3) (-12)?

Step-by-step explanation:

Multiply -3 by -12 and get 36. hope this was helpful.

7 0
3 years ago
How much of a radioactive kind of silver will be left after 50 seconds in the half-life is 25 seconds and you start with 204gram
gizmo_the_mogwai [7]

Answer:

51 grams.

Step-by-step explanation:

After 25 seconds  204 * 1/2 = 102 grams is left.

So after 50 seconds ( 2 * 25), 102 * 1/2 = 51 g are left.

7 0
3 years ago
2(5x-7)=2x+10 what Is the distributive property
professor190 [17]
2(5x)2(-7)=2x+10

2(5x)= 10x
2(-7)=-14

10x-14=2x+10

Solve:
10x-2x=8x

8x-14=10

14+10=24

8x=24

24/8=3

X=3
4 0
3 years ago
The school that Brenda goes to is selling tickets to the annual talent show. On the first day of the ticket sales the school sol
KiRa [710]
A=cost er adult ticket
c=cost per child ticket

2a+14c=96
12a+8c=120

solve

simplify by dividing firs equation by 2 and 2nd by 4

a+7c=48
3a+2c=30

multiply first equaiton by -3 and add to second
-3a-21c=-144
<u>3a+2c=30 +</u>
0a-19c=-114

-19c=-114
divide both sides by -19
x=6

sub back

a+7c=48
6+7c=48
minus 6
7c=42
divide 7
c=6

adult ticket=$6
child ticekt=$6
7 0
3 years ago
What do the rates of change represent?
Maurinko [17]

Answer:

total money and time

Step-by-step explanation:

it is how much ramon is saving over time. he starts with 6 dollars, and steadily increases his money

8 0
3 years ago
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