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Viefleur [7K]
3 years ago
15

A wise man once said, “500 reduced by 4 times my age is 256.” What is his age

Mathematics
2 answers:
RUDIKE [14]3 years ago
6 0

Answer:

His age = 61 years

Step-by-step explanation:

Let us consider  my age is x

500 - 4 x = 256

500 - 256 = 4 x

i.e 4 x = 500 - 256

    4 x = 244

∴  x = \frac{244}{4}

    x = 61

His age = 61 years

ch4aika [34]3 years ago
5 0
The answer to this question is 2.048
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In the diagram m ll n. identify all the angles that are congruent to angle 2
Dvinal [7]

Answer:

A; 4,6,8

Step-by-step explanation:

6 0
3 years ago
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Solve 2 ÷ x =5
Volgvan
So to help with the first one
2 / x = 5
multiply the x on both sides
2 = 5x
divide by 5 to isolate the x
2/5 = x

For the second one
We will use the diamond to help us find the common factor 
  \   1  /
   \    / 
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 2 /  \   4
   / 3 \
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1) the product
2) and 4) the two numbers
and 3) is sum

10 is the product and -7 is the sum
so what two numbers (factors of 10)
will equal -7 when added

so we have these numbers that will equal the product of +10 and we will need to find the ones that will equal -7 as the sum
10*1, 2*5, -1*-10, -2*-5
if we add the two numbers we will find respectively
11, 7, -11, -7
As you can see that -2 + -5 = +10 and -2+-5= +10
So we have found the two numbers
now before we factor the expression looks like 
( x + a) (x + b)
and when factored looks like
x^2 + (a+b)x + (a*b)
Now we can plug in the numbers and solve to see if -2 and -5 are right
(x + -2) (x + -5)
we will factor it
x^2 +-5x + -2x + 10
x^2 + -7x + 10
so a = -2 and b = -5

Hope this helps :)
5 0
3 years ago
An introductory psychology class has 9 freshman males, 15 freshman females, 8 sophomore males, and 12 sophomore females. A rando
hjlf

Answer:

The probability is \frac{16}{43}

Step-by-step explanation:

The psychology class has 9 freshman male, 15 freshman females, 8 sophomore male and 12 sophomore female.

Total population constitution of the class=

17 males and 27 females and 44 students in total.

If on selecting on the first attempt, a male has been picked up then the number of males for the picking up in the second attempt has to decrease by one.

Also, the total number of students from which it has to be selected also decreases by 1, because one child has already been selected.

Therefore for Second Attempt, Total 43 students and 16 males.

Probability=\frac{No.OfFavorableOutcomes}{TotalNo.OfOutcomes}

Probability=\frac{16}{43}

8 0
3 years ago
Help with geometry!!
Morgarella [4.7K]

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y = x

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Slope-intercept form is the form that looks like

... y = mx + b . . . . . . for slope m and y-intercept b

The line connecting points D and E has slope 1 and y-intercept 0, so the equation is ...

... y = 1·x + 0

... y = x . . . . . . without the identity elements

_____

<em>Comment on the marked choice</em>

The choice that is marked is the equation in <em>point-slope form</em> using the point E (4, 4). That is not the form requested by the problem.

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3 years ago
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