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poizon [28]
3 years ago
13

Twice the difference of a number and eight is equal to three times the sum of the number and four

Mathematics
1 answer:
vovikov84 [41]3 years ago
5 0

Answer:

2(8-x)=3(4+x)

Step-by-step explanation:

16-2x=12+3x

16=12+5x

4=5x

4/5 (or 0.8)=x

You might be interested in
Maisie bought a house.
sergeinik [125]

Answer:

55.52+10=65.52%

65.52 divide 3=21.84%

Ans:21.84%

7 0
3 years ago
What is the answer??????
dexar [7]

Answer:

38 5/28

Step-by-step explanation:

Well start with the whole numbers 24 and 13 This is adding so that means everything has to be added together. 13+24=37 Now, lets go the fractions.

Find the LCD (Least Common Denominator)  of 3/4 and 3/7 and rewrite to solve with the equivalent fractions. (remember the Denominator is the BOTTOM PART of the Fraction. Such as the 4 in 3/4.)  

LCD = 28

21/28 + 12/28 = 33/28 which can be simplified to 1 5/28. Combining the whole and fraction parts 37 + 1 + 5/28 = 38 5/28 And that will be your answer. Another way you can do this is

converting mixed numbers to fractions Meaning put them in improper form where the numerator (the top number of a fraction is bigger than the denominator such as 4/3) , our initial equation becomes, 99/4 + 94/7

Applying the fractions formula for addition,

(99×7) + (94×4) / 4×7

= 693+376 / 28 =  

= 1069/ 28

Simplifying 1069/28, the answer is

= 38 5/28

And one more thing. An easier way to make a mixed number a improper fraction is the multiply the denominator by the whole number then add the numerator and whatever the denominator is it stays for example

38 5/28.

28 times 38 = 1064 then add the 5 and you get 1069! But we aren't done yet, the denominator was 28 so that means the full answer is 1069/28 and that is the Improper fraction form!

Hope this helps! (sorry I took so long)

~R.C aka dj

 

6 0
3 years ago
Lisa is getting paid 96$ per hour, her salary per hour increases by 12%, how much is she getting paid now after in increases by
Bas_tet [7]

Answer:

96$/12×100

=8 × 100

=800$

5 0
2 years ago
Read 2 more answers
Jasmine filled her bag with 12 strawberries. George filled his bag with 6 times as many strawberries as jasmine. How many strawb
Allisa [31]

Since Jasmine has 12 strawberries and George has 6 times has many, you can multiply 12 by 6 to get the number of strawberries George has in his bag.

6 x 12 = 72.

George has 72 strawberries in his bag

8 0
3 years ago
Read 2 more answers
what is the equation in slope intercept form of the line that crosses the x-axis at -2 and is perpendicular to the line represen
Verdich [7]

Answer:

y = -2x - 4

Step-by-step explanation:

So we have the x intercept and a line perpendicular to the one we are trying to find.

Perpendicular deals with the slope.  Perpendicular slopes are negative reciprocals of each other, or in other words, if the slope is m the negative reciprocal is -1/m.

the slope of the perpendicular line is 1/2 so that means the negative reciprocal is -2.

x intercept is when y=0, so the point is (-2, 0).  So that means the equation to make this point with the slope of -2 will look like this

y = mx + b

0 = -2*-2 + b

-4 = b

Now to get into the line we just plug in m and b into y = mx + b

y = mx + b

y = -2x - 4

And to check if you plug in -4 you'll get y = 0

6 0
3 years ago
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