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3 years ago

DONT ANSWER!! am i right? 20 points!

Mathematics

2 answers:

UkoKoshka [18]3 years ago

8 0

Step-by-step explanation:

Hi, there!!!

It's so simple, 

so, let's simply work with it;

Here, the given equation is;

4d-4 = 5d-8

so, let's take "4d" to right side and -8 to left side. we get,

-4+8 = 5d-4d

or, 4 = d

Therefore, the value of d is 4.

{here, we simply simplified to get answer}

YOU ARE ABSOLUTELY RIGHT...

Hope it helps....

Lera25 [3.4K]3 years ago

7 0

Answer:

yes

Step-by-step explanation:

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I need help asap if u can

jok3333 [9.3K]

Answer:

10π

Step-by-step explanation:

Length of the arc = circumference

Circumference formula = 2πr, for a circle, so for a semicircle, it is just πr

r=10

answer = 10π

8 0

3 years ago

What's the answer to this

shutvik [7]

you would first have to multiply 20% by 3.24 and then youll get 0.648 then you subtract 3.24 by 0.648 and get 2.60. Then multiply 20% by 3.99 and get 0.798 then subtract 3.99 by 0.798 and get 3.19 then add 2.60 with 3.19 to get 5.79. 5.79 is how much she spent with 20% off

3 0

3 years ago

Which is closest to the circumference of the CD?

seropon [69]

Answer:

idk but heres an equation

Step-by-step explanation:

Since

37.68

18.84

Area=

⋅

(

18.84

)

354.9456

3.14

= 113.04

5 0

3 years ago

Read 2 more answers

Abebe is 12 years old and his sister Aster is 2 years old. In how many

Nonamiya [84]

Answer:

Abebe will be exact twice as old as Aster in 8 years.

Step-by-step explanation:

Since Abebe is 12 years old, and his sister Aster is 2 years old, there is a difference of 10 years between them (12 - 2). Therefore, the difference between the two implies that Abebe is exactly twice as old as her sister when she is 10 years old, and she is 20 years old (10 x 2 = 20).

Therefore, since 20-12 equals 8, Abebe will be twice as old as her sister Aster hers in 8 years.

6 0

3 years ago

Consider a sequence given by the formula f(n)=3n-1 starting with n=1. Generate the first 5 terms of the sequence

Rufina [12.5K]

Answer:

The first 5 terms are 2, 5, 8, 11, 14.

Step-by-step explanation:

You use the formula to find out each term.
f(n)=3n-1 starting with n=1. If n=1 that is the 1st term, if n=2 that is the 2nd term, and so on. n means what number term it is.
Now to find each term:

n=1: f(1)= 3(1)-1= 3-1= 2 The 1st term is 2
n=2: f(2)= 3(2)-1= 6-1= 5 The 2nd term is 5
n=3: f(3)= 3(3)-1= 9-1=8 The 3rd term is 8
n=4: f(4)= 4(3)-1= 12-1= 11 The 4th term is 11
n=5: f(5)= 5(3)-1= 15-1= 14 The 5th term is 14

So the first 5 terms are 2,5,8,11,14

5 0

3 years ago