Mathematics High School

Please help me hurry!! 8

Please Help Me Hurry!! 8

Answers

Answer 1

Answer:

r = 7

Step-by-step explanation:

[tex]a =5\\\\a_{3}=245\\\\a_{n}=ar^{n-1}\\\\a_{3}= 5*r^{2} \\\\5*r^{2} = 245\\\\r^{2}=\frac{245}{5}\\\\r^{2}=49 = 7^{2}\\\\r = 7[/tex]

Answer 2
R=7

Explanation I just calculate it

Related Questions

Help asap , this is super confusing

Answers

Answer:

7x^5

Step-by-step explanation:

just is

Answer:

The answer is -[tex]-7x^{2}[/tex]

Step-by-step explanation:

By finding alike terms and combing them, you can figure out that -[tex]-7x^{2}[/tex] is the correct answer.

true or false dialations of an angle are congruent to the original angle​

Answers

True because a dilation is just a shrink nothing has changed as far a number of sides so the shapes are still congruent just different sizes

Answer: True

Step-by-step explanation: Dilations do not change the angle measure. All line segments are changed by the same factor, therefore the angle remains the same.  

Alexis is trying to run a certain number of miles by the end of the month. If Alexis is 40% of the way to achieving her goal and she has already run 12 miles, how many miles is she trying to run by the end of the month?

Answers

Alexis has to run 30 miles overall






will name the brainliest

Answers

Answer:

Tan(A) = [tex]\frac{8}{15}[/tex]

Hope it helps!

Please help me with this

Answers

The answer is C your welcome

Does (7, 8) make the equation y = x + 5 true?

Answers

Answer:

..

Step-by-step explanation:

no the correct point would be (7,12)

7x1=7

7+5=12

Answer:

nop0e

Step-by-step explanation:

compare and contrast the data represented in the double box plot below

Answers

Answer:

and wheres the box plot?

When you type in your answer do not include x=, just include the number

Answers

Answer:

5

Step-by-step explanation:

60÷6 is 10

54÷6 is 9

30÷6 is 5

If you are given the hypotenuse and an adjacent
side, which trig function should you use?

Answers

Answer:

cosine

Step-by-step explanation:

Answer:

cosine

Step-by-step explanation:

cosine = adjacent / hypotenuse

Question 9 of 10
A density curve for all the possible ages between 0 years and 25 years is in
the shape of a triangle. What is the height of the triangle?
O A. 0.08
OB. 0.02
O C. 0.04
D. 0.16

Answers

The answer is B. 0.02
1/2 (100)(h) = 1
h= 2/100
=h = 0.02

What are some numerical expressions for 9 times x?

Answers

Answer:

9x

9 • x

9(x)

9*x

I think that's what the question means?

PLSSSS HELP ME !!!! Need ASAP Which pair of figures shows a dilation with a scale factor
of 1 1/2centered at the origin?

Answers

Answer:

Figures ABC and DEF

Step-by-step explanation:

Why is there a hole in your screen?

Answer:

The answer is QRS and TRU !!

Step-by-step explanation:

to find 12÷ 3/5 we rewrite 12 as PLEASE HELP​

Answers

Answer:

The twelve can be rewritten as: n = 3 5 × 12 1. Now, we can multiply the numerators and denominators: n = 3 ×12 5 × 1. n = 36 5.

Step-by-step explanation:

Simplify the expression below as much as possible.
(7-6i) + (-1 + 4i) -(4-7i)
A. 10 + 5i
B. 2 - 9i
C. 10-9i
D. 2 +5i

Answers

B. 2-9i. Is the correct answer
The answer is D hope this helped

A science club chose to test the pH balance of different foods. They measured the pH balance of 7 different foods and arranged their data from least to greatest. The pH balances were 2, 3, 4, 5, 6, 7, and 8. The mean pH balance of the foods measured was 5.

What is the ​MAD​ (mean absolute deviation) rounded to the nearest tenth?


0.7

1.7

2.4

2.0

Answers

Answer:

2.4 hope this helps u...

the correct answer is 2.4

One ticket will be drawn from a total of 200. If Maureen has 4 tickets what is the probability she will win?

Answers

Answer:

50

Step-by-step explanation:

she would have a 50 percent chanse of wining cause its like division so 4 divided by 20 is 50 unless i am wrong whoever can write the right answer.

joey invests 500 at 5% simple interest how much interest will he earn in 2 years?

Answers

I = p x r x t
Interest = 500 x .05 x 2
Interest = 50

11. What is the volume of the composite solid? (Hint: The height of the cone is 42 ft.)

12. A cylindrical can of cat food has a diameter of 3.5 inches and a height of 1.25 inches. A second brand of
cat food is packaged in a cylindrical can with a radius of 1.2 inches and a height of 1.25 inches.

a) What is the volume of the first can of cat food? Show your work

b) What is the volume of the second brand of cat food? Show your work

c) What is the difference between the volumes of the cans?

Extra credit: Two cylinders have equal diameters. Are their volumes also equal? Is the same true for cones and
spheres? Explain your reasoning

Answers

Answer:

c

Step-by-step explanation:

pleas help mee due tonight​

Answers

Answer:

105.6ft

Step-by-step explanation:

Answer:

Step-by-step explanation:

P = 4s

P = 26.4 x 4

P = (26 x 4) + (0.4 x 4)

P = 104 + 1.6

P = 105.6 ft^2

Which number is equivalent to 2 ^6

Answers

Answer:

64

Step-by-step explanation:

2×2×2×2×2×2=64

that's it

Answer:

64

Step-by-step explanation:

2×2×2×2×2×2= 64 just multiply or use calculator.

Jeff has a regular account, a money market account, and several CDs at the bank. He has $600 extra from overtime this

month but knows he will make several withdrawals over the next three weeks. Into which account should he deposit his

extra $6002

Answers

Answer:

Regular Checking account

Step-by-step explanation:

You can only make 3 withdrawals from money markets per month. You can’t withdraw money from cds without penalty.

What is 5 to the 6 power divided by 3794.3?

Answers

Answer:

4.11801913396

Step-by-step explanation:

Heart me pls

Divide the following complex numbers 30+20i/1+5i

Answers

30+20i/1+5i is equal to 30+25i. The answer is 30+25i

What does the slope of the equation represent?​

Answers

Answer:

[tex]m=-\frac{1}{2}[/tex]

Step-by-step explanation:

In the equation

[tex]y=mx + b[/tex]

m is a slope,

Edward took a survey of his classmates to see how many pets each student has. The dot plot shows the results of his survey ll. 0 1 2 3 4 Number of Pets Part A How many people did Edward survey? Part B What is the mean number of pets?​

Answers

Answer:

i. 5 people

ii. Mean number of pets = 2

Step-by-step explanation:

i. From the information given in the question, the number of people surveyed by Edward is 5.

The first person has no pet, the second has 1 pet, the third has 2 pets, the fourth has 3 pets and the fifth has 4 pets.

ii. The mean number of pets is the average number of pets among the people.

The mean number of pets = [tex]\frac{sum of the number of pets}{number of people}[/tex]

                                     = [tex]\frac{0 + 1 + 2 + 3 + 4}{5}[/tex]

                                     = [tex]\frac{10}{5}[/tex]

mean number of pets  = 2

The mean number of pets is 2.

i need help plzzzzzzzzzzzzzzzzzz what is 1/3(250)25.4=??????

Answers

Answer:

2116.6_

Step-by-step explanation:

Solve the problem.
The locations, given in polar coordinates, of two ships are (7 mi, 44°) and (8 mi, 104°). Find the
distance between the two ships.
A=3601 mi
B=10.63 mi
C=7.55 mi
D=4.00 mi

Answers

Answer is the B Sure let’s gooo

can you help me with this please

Answers

Answer:

part a is a and c

part b is sine

Step-by-step explanation:

I hope this helped :)

is anyone else airpods not working like one ear not work and the case not charging​

Answers

Answer:

ur airpods are broken if the case and 1 ear aint working

Step-by-step explanation:

might wanna get a new one.

Here is a list of numbers:
-5, -15, -10, 5, 14, 5, -18, 11, -4
State the median.

Answers

Answer:

4

Step-by-step explanation:

-18, -15, -10, -5, 4, 5, 5, 11, 14

There are 9 terms. So the one in the middle is the median.

-18, -15, -10, -5, 4, 5, 5, 11, 14

 1      2    3   4   5  6  7  8  9

So 4 is the median.

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hope it helps

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