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Andrew [12]
4 years ago
7

I am a 2 digit number the sum of my digits is 12. the ones digit is twice the tens digit? who am i?

Mathematics
1 answer:
Bas_tet [7]4 years ago
5 0

Answer:

84

Step-by-step explanation:

let a be the 1's digit and b the 10's digit, then

a = 2b ← twice the 10's digit, thus

sum = 2b + b = 12, that is

3b = 12 ( divide both sides by 3 )

b = 4

and a = 2b = 2 × 4 = 8

The 2 digit number is 84

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It is 50. the angles on the side of ABC are the same as on ACD, where they are labelled. When you add the two angles on the other side together, the answer is 50 degrees. 
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3 years ago
Point M is the midpoint of AB. The coordinates of point A are (-8, 3) and the coordinates of M are (-2, 1). What are the coordin
ch4aika [34]

Answer:

the coordinates of point B are (-5, 2)

Step-by-step explanation:

1. use midpoint formula to find the midpoint (equation attached below)

2. plug in the numbers

(\frac{-8+(-2)}{2},\frac{3+1}{2})

3. solve

(\frac{-8-2)}{2},\frac{3+1}{2})

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3 years ago
IIene earns $20. Se saves $2 for every $8 that she spends. How much of the $20 did she save
solniwko [45]
If she has $20 and saves $2 for every $8 she saves $4.
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3 years ago
A medical secretary maintains the accounts and writes the paychecks
daser333 [38]

Answer:

$25,000

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8 x $10 = 80 x 40 = $3,200

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I hope this helps!

-TheBusinessMan

6 0
3 years ago
Give the slope of y+2=3(x-7) and a point on the line
Alborosie
Hey!


There's two ways we can find the slope intercept form for this equation. Which would be to convert to standard form, or convert to slope intercept form. In this case, I'll be converting the equation to slope intercept form.

<em>Slope Intercept Form Formula :</em>
y = mx + b

Now, we'll write out our original equation and covert it.

<em>Original Equation :</em>
<span>y + 2 = 3 ( x - 7 )

<em>New Equation {Changed by Conversion} :</em>
y = 3x - 23

From here we can really just spot which number is </span>m and that number is 3.

If you want to know how that image is graphed, I attached an image to the answer.

<em>So, the slope of the equation y + 2 = 3 ( x - 7 ) is</em>  3.

Hope this helps!


- Lindsey Frazier ♥

4 0
4 years ago
Read 2 more answers
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