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emmasim [6.3K]
2 years ago
15

Multiply. Enter your answers. 8 2 0 × 3 ? ? ? ?

Mathematics
1 answer:
Anettt [7]2 years ago
3 0

Answer:2,460

Step-by-step explanation:

Just use a calculator

820x3=2,460

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Abdul flips a weighted coin 64 times and gets 16 tails. Based on experimental probability, how many of the next 40 flips should
sergij07 [2.7K]

Answer:

yes,  Abdul should expect to come up tails.

7 0
3 years ago
There are 17 trees along the road from Basil's home to a swimming pool. On his way way to and from a swim Basil marks some trees
morpeh [17]

Answer:

Number of trees not marked is 6

Step-by-step explanation:

Base on the scenario been described in the question, we can find the solution in the file attached

4 0
3 years ago
Round numerical answers to the nearest hundredth, if necessary.
MAXImum [283]

We are to find how long will it take to return to the ground?

Answer:

t = 0.48 sec

Step-by-step explanation:

We are given;

initial velocity; vi = 40 ft/s

hi = 70 ft

acceleration due to gravity; a = 32 ft/s²

Now, we are given that the rocket's height as a function of time is;

h = -12at² + vit + hi

At ground, h = 0

Plugging in the relevant values to obtain ;

0 = -12(32)t² + 40t + 70

-384t² + 40t + 70 = 0

The roots of the equation gives; t = 0.48 sec

6 0
3 years ago
I need help !!!!!!!!!!!!!
hoa [83]

Answer:

see below

Step-by-step explanation:

7 x 13    (split 13 into 10 + 3)

= 7 x ( 10 + 3)     (expand parentheses by distributive property)

= (7 x 10) + (7 x 3)

= 70 + 21

= 91

8 0
3 years ago
Consider the initial value problem 2ty′=4y, y(2)=−8. 2ty′=4y, y(2)=−8. find the value of the constant cc and the exponent rr so
Softa [21]
2ty'=4y
Replacing y'=dy/dt in the equation:
2t(dy/dt)=4y
Grouping terms:
dy/y=4dt/(2t)
dy/y=2dt/t
Integrating both sides:
ln(y)=2ln(t)+ln(c), where c is a constant
Using property logarithm:  b ln(a) = ln(a^b), with b=2 and a=t
ln(y)=ln(t^2)+ln(c)
Using property of logarithm: ln(a)+ln(b) = ln(ab), with a=t^2 and b=c
ln(y)=ln(ct^2)
Then:
y=ct^2
Using the initial condition: y(2)=-8
t=2→y=-8→c(2)^2=-8→c(4)=-8
Solving for c:
c=-8/4
c=-2

Then the solution is y=-2t^2
Comparing with the solution: y=ct^r
c=-2, r=2

Answer: T<span>he value of the constant c is -2 (c=-2) and the exponent r is 2 (r=2)</span>
 
5 0
3 years ago
Read 2 more answers
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