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erma4kov [3.2K]
3 years ago
14

Evaluate the numerical expression. 3/ 2 − (− 1 /4 )

Mathematics
1 answer:
GuDViN [60]3 years ago
4 0
ANsweer is 7/4 reduced it will be 1 and 3 fourths hope I was right.
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Greg budgeted carefully and by the time he turned 30 his retirement account balance was $22,000. If that amount grew at a rate o
Ratling [72]

Answer:

$618,253.61

Step-by-step explanation:

30 to 65 is 35 years

22000 × (1 + 10/100)³⁵

22000 × 1.1³⁵

618253.6107

6 0
3 years ago
A 12 pack of juice costs $4.20. An 18 pack costs $5.40. Which is the better buy?
enot [183]

Answer:

the 12 pack is better because u get to pay less money

Step-by-step explanation:

6 0
3 years ago
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Sonny's band rehearsal started at 10:30 A.M. It ended 1 hour and 40 minutes later. At what time did Maya's band rehearsal end?
Alecsey [184]

Answer:

12:10

Step-by-step explanation:

...

5 0
3 years ago
4. Stella says the equation x^2−8x+y^2+2y=5 has a center of (4,−1) and a radius of 5. Is she correct? Why or why not?
Ostrovityanka [42]
<h2>Stella is correct about center and wrong about radius      </h2>

Step-by-step explanation:

Equation of circle with (h,k) as center and radius r is given by,

          (x-h)²+(y-k)² = r²

Here equation is

          x²−8x+y²+2y=5

Changing in to (x-h)²+(y-k)² = r² form

           x²−8x + 16 - 16 +y²+2y+1 - 1=5  

           (x-4)² - 16 + (y+1)² -1 = 5

           (x-4)²  + (y+1)²  = 22

           (x-4)²  + (y+1)²  = 4.69²

           Center is (4,-1) and radius is 4.69

Stella is correct about center and wrong about radius            

8 0
3 years ago
A room is 5 meters by meters . How many square 14-inch tiles will it take to floor the room ? I meant to say a room is 5 meters
lesya [120]

Given:

Room is 5 meters by 8 meters.

Measure of squaree tiles is 14-inch.

\begin{gathered} \text{Area of the room=5}\times8 \\ \text{Area of the room=}40m^2 \end{gathered}1m^2=1550inch^2\begin{gathered} \text{Area of each tile=14}\times14 \\ \text{Area of each tile=}196inch^2 \end{gathered}\begin{gathered} \text{Number of tiles to floor the room=}\frac{40\times1550}{196} \\ \text{Number of tiles to floor the room}=316.3265 \end{gathered}

Approximately 316 tiles are required to floor the room.

8 0
1 year ago
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