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Mariana [72]
2 years ago
6

PLEASE HELP QUESTION IN PICTURE

Mathematics
1 answer:
Afina-wow [57]2 years ago
8 0
I think it's A! definitely not C or D
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A single gram of a certain metallic substance has 0.52 g of copper and 0.25 g of zinc the remaining portion of the substance is
andrezito [222]
Ben's estimate gives 7 g of nickel; the actual amount is 8.03 g.

In 1 g of the substance, there is 0.52 g of copper and 0.25 g of zinc; this gives 
0.52+0.25 = 0.77 g of the substance.

The remaining part of the substance is nickel:
1-0.77 = 0.23 g of nickel.

Using Ben's estimate, 0.2 g of nickel per gram of substance, we have
0.2(35) = 7 g of nickel in 35 g of the substance.

The actual amount is 0.23(35) = 8.03 g of nickel in 35 g of the substance.
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3 years ago
Complete the following statement.
Svetradugi [14.3K]

Answer:

if p ( x ) = x^2 + 7 x + 3 is divided by x + 4, the remainder is -9

Step-by-step explanation:

We need to find the remainder if p ( x ) = x^2 + 7 x + 3 is divided by x + 4

Dividing p ( x ) = x^2 + 7 x + 3 by x + 4

The division is shown in figure attached.

The remainder = -9

The quotient = x+3

So, if p ( x ) = x^2 + 7 x + 3 is divided by x + 4, the remainder is -9

3 0
3 years ago
Estimate how much 10.25 and 30.5
Elza [17]
I don't really get what you are asking for. Can you clarify it?
5 0
3 years ago
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What is the shape of the cross section in the figure?
astra-53 [7]
What figure is the question talking about lmk ?
5 0
3 years ago
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WILL GIVE BRAINLIEST
antoniya [11.8K]

Answer:

A

Step-by-step explanation:

JK is longer than JL and isn't 9 units long

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