So I know that |-5| =5 but what does this -|-5| equal? and explain why

Answers

Answer 1

Answer: absolute value
means whatever is inside is positive, once we resolve the inside, work out

|-5|=5

now -5=?=-5

answer is -5 since - of + is negaitve
if you don't get it still think like this

|-5|=5
mulitp;ly by -1 everybody
-|-5|=-5

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Julie went to the post office and bought both 41-cent stamps and 26-cent postcards. She spent $51.40. The number of stamps was 20 more than twice the number of postcards. How many of each did she buy?stamps= ? postcards= ?

Answers

Stamps = 100, Postcards = 40

100 x 0.41 cents + 40 x 0.26 cents = $41 + $10.4 = $51.4

------ Solution-----

$0.41 x STAMPS + $0.26 x POSTCARDS = $51.4

1 STAMP = 20 + 2 x POSTCARDS

$0.41 x (20 + 2 x POSTCARDS) + $0.26 POSTCARDS = $51.4

POSTCARDS = 40

STAMPS = 20 + 2 x 40 = 100

Answer:

Julie bought 40 postcards and 100 stamps.

Step-by-step explanation:

Write the equation by adding the total values of each item.

0.41 (2p+20)+0.26p = 51.40

We can solve this equation for p to find the number of postcards.

0.41(2p+20)+0.26p =51.40

0.82p+8.20+0.26p=51.40

1.08p=43.2

p=40

So, the number of postcards she bought is 40. Since the number of 41-cent stamps is 20 more than twice the number of postcards, the number of 41-cent stamps is 2(40)+20=100.

How many groups of 8 in 56, 64, 8, 24? Also, which multiple of 8 is closest to 66, 53, 33, 1, 18, 45, 27, 82? Plz answer between 2 hours and you may answer one question if you want.

Answers

first one : 7, 8, 1, 3 second is : 8, 7, 4, 0, 2, 6, 3, 10 these are the answers if i get the questions correctly.

18. WILL MARK BRAINLIEST!!HELP!

Answers

Answer:

3x-20

Step-by-step explanation:

What is the value of y?

6(5 + 3) = 6 • 5 + 6 • y

Answers

$6(5+3)=6\cdot5+6\cdot y\n\n6(8)=30+6y\n\n48=30+6y\ \ \ \ |subtract\ 30\ from\ both\ sides\n\n18=6y\ \ \ \ |divide\ both\ sides\ by\ 6\n\n3=y\n\n\huge\boxed{y=3}$

6(5+3)=(6)(5)+6y

Simplify

6(5+3)=(6)(5)+6y

48=30+6y

48=6y+30

Flip the equation.

6y+30=48

Subtract 30 from both sides.

6y+30−30=48−30

6y=18

Divide both sides by 6.

6y / 6 = 18/ 6

y=3

Write the equivalent fractions of 2/5

Answers

There are an infinite number of them.
Here are a few:

4/10
6/15
8/20
10/25
12/30
14/35
16/40
18/45
20/50

Also 318/795 .

For each expression,use a property to write an equivalent expression.Tell which property you used.10:CD=11:x+13=12:4(2x-3)=13:2+(a+b)=14:Draw algebra time models to prove that 4+8x and 4(2x+1) are equivalent.

Answers

10.) DC
community property

11.) 13+x
community property

12.) 8x-12
distributive property

13.) (2+a)+b

14.) 4(2x+1)= 4+8x

For question 14 you can do 4×2=8x. Then do 4×1=4. It is equal. Just do distributive property for number 14 for 4(2x+1)

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