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spayn [35]
3 years ago
15

What is the answer to 50=2.5x

Mathematics
1 answer:
Karolina [17]3 years ago
7 0

Answer:

20

Step-by-step explanation:

if you divide 50 from 2.5 you get 20

then take 20x2.5 and you get 50.

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Answer the questions attached about the given sequence: -33, -27, -21, -15, ...
Arte-miy333 [17]

Answer:

see below

Step-by-step explanation:

-33, -27, -21, -15,....

-33 +6 = -27  

-27+6 = -21

-21+6 = -15

This is an arithmetic sequence

The common difference is +6

explicit formula

an=a1+(n-1)d  where n is the term number and d is the common difference

an = -33 + ( n-1) 6

an = -33 +6n -6

an = -39+6n

recursive formula

an+1 = an +6

10th term

n =10

a10  = -39+6*10

      = -39+60

      =21

sum formula

see image

The sum will diverge since we are adding infinite numbers

7 0
3 years ago
An astronaut on the moon throws a baseball upward. The astronaut is 6 ft 6 in tall, and the initial velocity of the ball is 40 f
weqwewe [10]

Answer:

t = 0.293 s and 14.52 s

Step-by-step explanation:

The heights of the ball in feet is given by the equation as follows :

S = -2.7t^2+40t+6.5

Where t is the number of seconds after the ball was thrown.

We need to find is the ball 18 ft above the moon's surface.

Put S = 18 ft

-2.7t^2+40t+6.5=18\\\\-2.7t^2+40t=18-6.5\\\\-2.7t^2+40t-11.5=0

It is a quadratic equation. Its solution is given by :

t=\dfrac{-40+\sqrt{40^{2\ }-4\left(-2.7\right)\left(-11.5\right)}}{2\left(-2.7\right)},\dfrac{-40-\sqrt{40^{2\ }-4\left(-2.7\right)\left(-11.5\right)}}{2\left(-2.7\right)}\\\\t=0.293\ s,14.52\ s

So, the ball is at first 0.293 s and then 14.52 s above the Moon's surface.

8 0
3 years ago
What is the answer?​
antoniya [11.8K]

Answer:

45

Step-by-step explanation:

6 0
3 years ago
A health club charges a $130 yearly membership fee and $3 for each day a member uses the health facilities. If the member paid $
Blizzard [7]
This is the answer for your question: y=3x+130
8 0
3 years ago
What is the measure of 162<br> A. 324°<br> B. 162°<br> O C. 81°<br> D. 72°
telo118 [61]

Answer:

81

Step-by-step explanation:

trust me its correct

4 0
3 years ago
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