How much greater is 1 than 0.1 ?

Mathematics

1 answer:

Harrizon [31]3 years ago

5 0

You have to multiply .1 by 10 to equal 1 so it is 10 × greater.

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The sum of 42 and x is equal to 97.45. What's the equation for the sentence?!! Help!

gogolik [260]

Answer:

X = 97.45 - 42

Step-by-step explanation:

If 42 + X = 97.45, X needs to be 97.45 - 42

you can do the same thing with smaller numbers, for example:

5 + X = 7

7 - 5= 2 and you can check for sure that this is the answer by adding them together 5 + 2= 7 so it's definitely the right answer

so for this question, 97.45- 42 = 55.45 so that's X

you can check that by 55.45 + 42 and if the answer is 97.45 that's the right answer!

I hope that makes sense

8 0

3 years ago

For what value of y does 125 = (StartFraction 1 Over 25 EndFraction) Superscript y minus 1? Negative five-halves –2 –1 Negative

rodikova [14]

Answer:

D. -1/2

Step-by-step explanation:

First to rewrite the equation in numbers

$125=\frac{1}{25}^{y-1}$

First, we need to find what exponent would get 1/25 to 125.

$\frac{1}{25}^{y}=125$

Sense 1/25 is a fraction we must use a negative exponent to make it a whole number. We can just find what exponent would get 25 to 125 then make it negative. 1 wouldn't be enough and 2 would be too much so y is between 1 and 2 into negative is between -1 and -2. Sense the original equation has (y-1) the only option you can subtract 1 from to get between -1 and -2 is -1/2 which would give -1 1/2.

7 0

2 years ago

a car is traveling on a road that makes a 12 degree angle with the ground. find the height of the car vertically once it reaches

fenix001 [56]

I'm reading your question

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Trigonometric relationship

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tan (12º) = side opposite/ side adjacent

Side opposite = tan (12º) * side adjancent

Side opposite = tan (12º)* 102

Side opposite = 21. 7 m