3 years ago

I need help plzzzzzzz

1 answer:

5 0

6) C, 7) B, 8) B, a spring scale is one tool that can be used to measure force. Explain that a spring scale measures force in units called newtons.

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Determine the sum -46.38 + (-24.6).<br> A 70.98<br> B) -70.98<br> C) -21.78<br> D) -48.84

lys-0071 [83]

Answer:

The answer is B: -70.98

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3 years ago

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The ratio of quarters to dimes in a coin collection is 5 : 3. You add the same number of new quarters as dimes to the collection

german

There are 5 quarters and 3 dimes.

Let's illustrate it as $\frac{5}{3}$

Now adding 5 quarters and 5 dimes, we get $\frac{10}{8}$ .

5/3 is not equal to 10/8 hence it no longers has the ratio of 5:3 but now has the ratio of 5:4

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Please help me? I am confused.

Sergio [31]

Answer:

It's a photo of the problem. It's not a spam. Just so you could be sure. ;-)

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3 years ago

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Given the following chemical reaction:

Marizza181 [45]

Answer:

The answer to your question is 12 moles of water.

Step-by-step explanation:

Reaction

2 O₂ + CH₄ ⇒ CO₂ + 2 H₂O

If Oxygen is in excess, then the limiting reactant is methane and we calculate the moles of water produced considering the moles of methane.

1 mol of methane -------------- 2 moles of water

6 moles of methane --------- x

x = (6 x 2) / 1

x = 12 moles of water

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3 years ago

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enot [183]

Answer:

Step-by-step explanation:

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3 years ago