Ask question

Ask question

All categories

strojnjashka [21]

3 years ago

9

A coin contains 1.25 grams of nickel and 3.75 grams of copper, for a total weight of 5 grams what percentage of the metal in coi

n is copper

2 answers:

Citrus2011 [14]3 years ago

7 0

3.75/5 = .75
.75 X 100 = 75
75% is the answer

sukhopar [10]3 years ago

7 0

3.75/5 = .75 or 75% so 75% of the coin is copper

You might be interested in

(b) 3 - 2w 29<br> What is the answer

Alik [6]

Answer:

$-2w^{29} +3$

Step-by-step explanation:

Let's simplify step-by-step.

3−2w29

=3+−2w29

8 0

1 year ago

Find the slope of the line passing through the points (-9, -2) and (5,-2).

alexandr402 [8]

Answer:

0

Step-by-step explanation:

(x₁ , y₁) = (-9, -2)

(x₂ , y₂) = ( 5 , -2)

In these two points, there is no change in the y co-ordinates. So the line is parallel to x-axis.

slope of line parallel to x-axis = 0

3 0

2 years ago

CONDITIONAL PROBABILITY URGENT?

kirill115 [55]

Senior = 5

Senior but Girls = 4

so P(Senior | Girl) = 4/5

Hope it helps.

6 0

2 years ago

What is the value of x?

gtnhenbr [62]

Value of x is used to consider unknown value. The letter “x” is commonly used in algebra to indicate an unknown value. It is referred to as a “variable” or, in some cases, a “unknown.” In x + 2 = 7, x is a variable

4 0

2 years ago

Read 2 more answers

X/5=1/(x+4) solve for x

solmaris [256]

ANSWER:

X is -5 and 1.

1) cross multiply

2) subtract five from both sides

3) factor

4) check for extraneous

5) ask me if you are still confused.

6 0

3 years ago