2 years ago

Which of the following equations is equivalent to 6.87p + 9.2 = -7.056?

Mathematics

1 answer:

Lina20 [59]2 years ago

3 0

Answer:

The answer is the second one 687p + 920 = -705.6

Step-by-step explanation:

The decimal place in each number was shifted right 2 spots

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Answer:

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Step-by-step explanation:

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a school has 415 third graders ans 388 second graders. How many more third graders are there than second grades?

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Answer:

Step-by-step explanation:

"How many more ... than ..." is a verbal cue to use subtraction.

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1 year ago

Solve for x in the picture please

Nutka1998 [239]

Answer: $x=1$

Step-by-step explanation:

In order to find the value of "x", it is important to remember that:

$Tangent\ chord\ angle=\frac{1}{2}(Intercepted\ arc)$

We can identify in the figure that:

$Tangent\ chord\ angle=(43x)\°\\\\Intercepted\ arc=AB$

Then:

$43x=\frac{1}{2}AB$

Solving for AB:

$2(43x)=AB\\\\AB=86x$

Now, since there are 360° in a circle, we know that:

$AB+(272x+2)=360$

Then we can substitute $AB=86x$ into $AB+(272x+2)=360\°$ and solve for "x". This is:

$(86x)+(272x+2)=360\\\\358x=360-2\\\\x=\frac{358}{358}\\\\x=1$

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2 years ago