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WITCHER [35]
3 years ago
10

Can you help me pls i have 1 day

Mathematics
1 answer:
Nesterboy [21]3 years ago
7 0

Answer:

-9

Step-by-step explanation:

2t + 8= -10

2t= -10-8 you bring 8 and it turns to a negative and. then you just minus it negative 10.

2t= -18. you divide both by 2

t= -9

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Deon is riding his bicycle. He rides for 7 hours at a speed of 22.4 kilometers per hour. For how many kilometers does he ride
salantis [7]
By hypothesis, Deon is riding at a speed of 22.4 kilometers per hour. So each hour, he completes 22.4 km.

If he rides for 7 hours, he completes 22.4 * 7 = 156.8 km

So in 7 hours, he rides 156.8 kilometers.

Hope this helps! :)
6 0
3 years ago
A city has a population of 230,000 people. suppose that each year the population grows by 3.5% . what will the population be aft
Georgia [21]
230000÷3.5%=6571%
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5 0
3 years ago
Two numbers have a difference of 0.85 and a sum of 1 what are the numbers?
soldier1979 [14.2K]
X - y = 0.85
x + y = 1
----------------add
2x = 1.85
x = 1.85/2
x = 0.925

x + y = 1
0.925 + y = 1
y = 1 - 0.925
y = 0.075

so ur 2 numbers are : 0.925 and 0.075
3 0
3 years ago
Read 2 more answers
Use the sequence {−1,171,875;−234,375;−46,875;−9375,…} to answer the question.
AveGali [126]

Answer:

an = −1,171,875(1/5)^n-1

Step-by-step explanation:

The given sequence is geometric sequence since they have the same common ratio r. The nth term of a geometric sequence is expressed as;

an = ar^n-1

n is the number of terms

r is the common ratio

a is the first term

From the sequence;

a = −1,171,875

r = −234,375 /−1,171,875 = -46,875/−234,375 = 0.2

r = 1/5

Substitute the values in the formula;

an = −1,171,875(1/5)^n-1

Hence the required explicit formula is an = −1,171,875(1/5)^n-1

6 0
3 years ago
A bag contains 5 red marbles, 6 white marbles, and 5 blue marbles. Find P(red).
trasher [3.6K]

Answer:

5/16

Step-by-step explanation:

5 + 6 + 5 = 16 total marbles

P(red) = red / total = 5 / 16

5 0
3 years ago
Read 2 more answers
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