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hjlf
3 years ago
10

Adding and Subtracting Positive and Negative Fractions and Decimals. Estimate each problem to check if the students answer is re

asonable.
2) -3 1/6 + 6 2/3
Help pls
Mathematics
1 answer:
AnnyKZ [126]3 years ago
8 0
The answer is 3 1/2 or in decimal form it is 3.5
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a store owner paid $15 for a book. she marked up the price of the book by 40% to determine its selling price. what is the sellin
Hunter-Best [27]

Answer:

$21

Step-by-step explanation:

40% of 15 is 6, and 15 + 6 is 21

5 0
2 years ago
Read 2 more answers
Find the distance between the points (-7,-6) and (5,-6) .
PilotLPTM [1.2K]

<u>Answer:</u>

12 units

<u>Step-by-step explanation:</u>

We are given these two points, (-7,-6) and (5,-6), and we are to find the distance between them.

We know the formula for finding the distance between two points:

<em>Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}</em>

So putting in the values of the given coordinates in the above formula to get:

Distance = \sqrt{(5-(-7))^2+(-6-(-6))^2} = \sqrt{144 + 0}  =12

Therefore, the distance between the two given points is 12 units.


5 0
3 years ago
Solve for x ....... thanks !
Len [333]
If we can match teh bases we can solve
because if x=x and xᵃ=xᵇ, we can conclude that a=b

16=2⁴
32=2⁵
rememeber that (x^m)^n=x^{mn}

16^{3x+2}=32^{-2x-7}
(2^4)^{3x+2}=(2^5)^{-2x-7}
2^{4(3x+2)}=2^{5(-2x-7)}
2=2 so we conclude that 4(3x+2)=5(-2x-7)

4(3x+2)=5(-2x-7)
expand/distribute
12x+8=-10x-35
add 10x both sides
22x+8=-35
minus 8 both sides
22x=-43
divide both sides by 22
x=-43/22
8 0
2 years ago
Solve the inequality 3x - 5 &lt; 4.
Pachacha [2.7K]

Answer:

      x < 3

Step-by-step explanation:

Since 3x - 5 < 4 then we can transpose the inequality to make x the subject of the equation:

    If 3x - 5 < 4

⇒    3x < 4 + 5

⇒       x < 9 ÷ 3

⇒       x < 3

8 0
2 years ago
Simplify: a + 4b+9 +6a +2a
Anit [1.1K]

Answer:

9a + 9 + 4b

Have a wonderful day!  :D

3 0
3 years ago
Read 2 more answers
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