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Vikentia [17]
3 years ago
5

The table shows the portions of copper

Mathematics
1 answer:
lbvjy [14]3 years ago
5 0

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%

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Make equations to show how he got the 240 and the 960. Move numbers and symbols to the lines to make the equations.
Sophie [7]

Answer:

its 10 cuz 240 x 984 = 12009

Step-by-step explanation:

3 0
3 years ago
I have to be awake at 5am and it’s about to be 12am so can someone please help me with this 7th grade math homework
finlep [7]

Step-by-step explanation:

Divide the denominator by the numerator to find the percentage

5 0
3 years ago
Please help ASAP!!!!!!
stealth61 [152]

Answer:

heart no, square yes, circle yes, triangle no, hexagon no

Step-by-step explanation:

5 0
3 years ago
The value of the expression -2 xy for x = -4.7 and y = 0.2 is _____.
sergeinik [125]

The value of the expression -2xy for x = -4.7 and y = 0.2 is 1.88. Thus option number 3 is correct.

<u>Solution:</u>

We have been given an expression that is -2xy and have been asked to find its value for the given values of x and y

The given values of x and y are -4.7 and 0.2 respectively.

To find the value of the expression for the given values of x and y we substitute the values of x and y in the given expression and solve it as follows:

Given expression = -2xy

\begin{array}{l}{=-2(-4.7)(0.2)} \\\\ {=9.4 \times 0.2} \\\\ {=1.88}\end{array}

Hence the option number 3 is correct.

4 0
3 years ago
Read 2 more answers
How do you subtract the following fraction to find the solution?<br> 5 - 4/9
garri49 [273]
Here 5 - 4/9 
multiply 9 and divide 9 to 5. It gives 45/9.
Hence, above fraction becomes,
45/9 - 4/9 = (45 - 4) / 9 = 41 / 9
Hope it helps.
5 0
3 years ago
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