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3 years ago

HELPPPPPPPPPPPPPppppppppp number 4

Mathematics

1 answer:

astraxan [27]3 years ago

7 0

Answer:

3 dots

Step-by-step explanation:

This should be correct due to there only being 3 100% on the table

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If the 1st and 10th terms of geometric sequence are 4 and 100. Fine the nth term of the sequence

gulaghasi [49]

A(n)=ar^(n-1) so

100=4r^9

25=r^9

ln25=9lnr

ln25/9=lnr

r=e^(ln25/9)

a(n)=4e^((n-1)(ln25/9) if you wanted an approximation...

a(n)=4(1.43^(n-1))

3 0

3 years ago

Dominic is driving on a long road trip. He currently has 10 gallons of gas in his car. Each hour that he drives, his car uses up

Nostrana [21]

Answer:

(a) Equation: $T_n = 11.25 - 1.25n$

(b) 7.5 gallons

Step-by-step explanation:

Given

Current Gas = 10 gallon

Every Hour = -1.25 gallon

Solving for (a): An equation for the scenario

This question represents an Arithmetic Progression and will be solved using the following formula:

$T_n = a + (n - 1)d$

Where

$a = 10$

$d = -1.25$

Substitute these values in the formula

$T_n = 10 + (n - 1) * -1.25$

$T_n = 10 -1.25n +1.25$

Collect Like Terms

$T_n = 10 + 1.25 - 1.25n$

$T_n = 11.25 - 1.25n$

Solving for (b): In this case, n - 3

Substitute 3 for n in $T_n = 11.25 - 1.25n$

$T_3 = 11.25 - 1.25 * 3$

$T_3 = 11.25 - 3.75$

$T_3 = 7.5$

<em>7.5 gallon of gas left</em>

6 0

3 years ago

Will is 22% taller than Wanda, so Will's height is ____% of Wanda's height.

Flura [38]

22? (Correct me if I’m wrong)

6 0

3 years ago

Is 2 yards greater than 5 feet?

Gelneren [198K]

Hey there!

The correct answer to your question is yes.

1 yard = 3 feet

2 yards = 6 feet (since 3 x 2 = 6)

6>5

2 yards is greater.

Hope this helps you.
Have a great day!

8 0

3 years ago

Whats the value of x????

Serjik [45]

Answer:

X = 23

Step-by-step explanation:

oppsosite angles are equal so the brackets equal 90 degrees like the right angle opposite.

90-21 = 69

69 / 3 = 23

x = 23

8 0

2 years ago

Read 2 more answers