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3 years ago

5% of what is 30 plz answer asap

Mathematics

2 answers:

deff fn [24]3 years ago

5 0

Answer: 600

let the number be n,

n * 5% =30

n= 30 / 5%

n= 600

aleksley [76]3 years ago

4 0

Answer:

5% of what is 30

=> 600

Step-by-step explanation:

We have 5% × x = 30

=> 5/100 × x = 30

=> x = 600

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Which of the following is not a correct factorization of the binomial 10x2 + 40x ?

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Find the equation of the line that passes thru (-1,-5) and is parallel to 3x+y=-5. Show work.

sertanlavr [38]

Answer:

$y=-3x-8$

Step-by-step explanation:

slope-intercept form:

$y=mx+b$

Start with the given equation, and to find the slope, convert it to slope-intercept form by solving for y.

$3x+y=-5$

In this case, all you need to do is subtract 3x from both sides.

$y=-3x-5$

Here, the slope is -3. The slope of a parallel line will also be -3.

Now, we have 3 known variables. We have the slope and the x and y of a known point. Use those 3 knowns to solve for the 1 unknown, the y-intercept.

$y=mx+b\\-5=(-3)(-1)+b\\-5=3+b\\-8=b\\b=-8$

Finally, with the slope and the y-intercept, you can write the equation of the line:

$y=-3x-8$

3 0

3 years ago

What is the length of the hypotenuse of a right triangle with legs of 50 ft. and 120 ft. ?

MrMuchimi

Answer: 130 ft

Step-by-step explanation:

a^2 + b^2 = c^2

Where a and b are the legs that form the right angle and c is the hypotenuse (the side directly opposite of the right angle)

50^2 + 120^2 = c ^2

2,500 + 14,400 = c^2

16,900 = c^2

Take the square root of 16,900 to get c.

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