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andriy [413]
3 years ago
11

How do you solve for v4.3(v + 2.5) = 8.11 + 4v​

Mathematics
1 answer:
Marta_Voda [28]3 years ago
8 0

Answer:

v = -8.8

Step-by-step explanation:

4.3v + 10.75 = 8.11 + 4v

0.3v + 10.75 = 8.11

0.3v = -2.64

v = -2.64 / 0.3

v = -8.8

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I need help finding out why they are congruent
Advocard [28]
Ok so if 5x + 24 equals 9x - 17, the we can write it like this:

5x + 24 = 9x - 17 ~~~ We have to get x on one side to find out what it is. So you can either subtract 5x from both sides or 9x from both sides. Imma subtract 5x from north sides which becomes:

5x - 5x + 24 = 9x - 5x - 17 Now simplify

24 = 4x - 17 Now isolate 4x. To do that we have to add 17 to both sides

24 + 17 = 4x - 17 + 17 Now simplify

41 = 4x Now we have to get x alone on one side. So divide 4 from both sides. Becomes

41/4 = 4x/4 Now simplify.

10.25 = x
8 0
3 years ago
Ed's age is twice that of his brother. When you add Ed's age to his brother's age, you get 36. How old is each brother?
svlad2 [7]

The answer to your question is,

Ed is 27. His brother is 9.

How did I get this answer?

Ed's age is twice that of his brother. So of course, when you divide 36 by 2, you would get 18. They are not twins so this wouldn't be the answer. You need to divide 18 by 2 again. This makes 9. If you add 9 to 27, that makes 36. Which is their ages.

-Mabel <3

6 0
4 years ago
A father is 3 times older than his son, or 28 years older. How old is the son?
Charra [1.4K]

Answer:

Son = 14

Father = 42

Step-by-step explanation:

Let son age be x

Father's age is 3x and x + 28

3x = x + 28

2x = 28

x = 28/2 = 14

Father's age is x + 28 = 42

6 0
4 years ago
The table shows the portions of copper
lbvjy [14]

Answer:

Red Gold

Step-by-step explanation:

Assuming you mean 9/40

Red gold = 25%

Pink Gold = .2 which is 20%

Rose gold is \frac{9}{40} = .225 which is 22.5%

5 0
3 years ago
if you buy 3.18 lb of grapes for $0.99 per pound and 1.25 lb of peaches for $1.09 per pound and 2.75 pounds of pears for $1 and
Flura [38]

<u>Answer:</u>

$7.78

<u>Step-by-step explanation:</u>

3.18 lb (grapes) x $0.99 = $3.15 (Real answer: 3.1482. Rounded to the nearest cent)

1.25 lb (peaches) x $1.09 = $1.36 (Real answer: 1.3625. Rounded to the nearest cent)

2.75 lb (pears) x $1.19 = $3.27 (Real answer: 3.2725. Rounded to the nearest cent)

$3.15 (grapes total) + $1.36 (peaches total) + $3.27 (pears total) = $7.78 (total bill)

<u>Final Answer:</u>

$7.78

<em>Hopefully this helps! Sorry if wrong. You are loved and you are beautiful/handsome!</em>

-Bee

6 0
3 years ago
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