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Alex17521 [72]
2 years ago
9

Im dum on this but smart on other things look at points too...

Mathematics
1 answer:
Over [174]2 years ago
4 0

Step-by-step explanation:

Whole numbers = Natural numbers + "0"

Integers = Whole numbers + Negative counterparts

Since the set do contains negative numbers, only Rational numbers and Integers are correct. (D)

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What is the value of the expression below -0.75-(-2/5) + 0.4 + (-3/4) help please!!
Reika [66]
-0.75-(-2/5) + 0.4 + (-3/4)

Simplify it :-)

-0.75 + \frac{2}{5} + 0.4 - \frac{3}{4} 

Add the like terms / add your decimals with your decimals & your fractions with your fractions.

(-0.75 + 0.4) + ( \frac{2}{5} - \frac{3}{4} )

Simplify :-)


0.35 + ( \frac{8}{20} - \frac{15}{20} )

Simplify :-)

0.35 + (-\frac{7}{20} )

Now you turn your decimal into a fraction.

0.35 = 35/100 = 7/50

NEW PROBLEM : \frac{7}{50} + + \frac{7}{20} = ??

Make both denominators 100.

\frac{7}{50} × \frac{2}{2} = 14 / 100

7/20 × 5/5 = 35/100

NEW PROBLEM : \frac{14}{100} + \frac{35}{100} = \frac{49}{100}

:-)




8 0
3 years ago
Solve for x: 5|2x − 2| + 8 = 18.
Nitella [24]
5|2x-2|+8=18
5|2x+2|=10
|2x+2|=2
by removing the absolute and but + or -
(2x+2) = 2 & (2x+2)=-2
so , x = 0 & x=-2
so it is the second answer
8 0
3 years ago
Use the formula Area = (side)2 to find the area of the square.
ki77a [65]

Answer:

1. 5² is 25 yards

2. 7² is 49m

3. 8² is 64cm

4.draw a square, make one side 6 feet then do 6² which is 36feet

5. do the same thing then write 10 inches on one side and 10² is 100 inches.

6. 7x3= 21 ft

7. 5x4= 20 in.

8. 2x8= 16 yd

Step-by-step explanation:

common sense

7 0
2 years ago
Read 2 more answers
A house and a lot cost more than $89,000. The house cost $1000 more than seven times the cost of the lot. How much does the lot
tatyana61 [14]
7x+1000+x=89000

7x+x+1000-1000=89000-1000
8x=88000

8x/8=88000/8
x=$11000
4 0
3 years ago
Given the functions a(x) = 3x - 12 and b(x) = x-9, solve a[b(x)].
Thepotemich [5.8K]

Answer:

Step-by-step explanation:

hello :

a(x) = 3x - 12 and b(x) = x-9, so

a[b(x)]=a(x-9) =3(x-9)-12

a[b(x)]=3x-9-12

a[b(x)]=3x+21

5 0
2 years ago
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