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balandron [24]
3 years ago
6

Need answer pls any of them

Mathematics
2 answers:
stira [4]3 years ago
8 0

5. 55~11+7x(2+14)

      55~11+7x16

         11+7x16

           18x16

            288

4.15-8~4

    15-2

      13

6.100-12~3

   100-4

      46

7.8x(16-3)+8

    8x13+8

    104+8

      112

Vinvika [58]3 years ago
5 0

Answer:

number 4.     13


because first you do the exponents giving you 8 and then divide which is 2 then you subtract which is 13


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A rhino can run 28 miles per hour. What is that speed in feet per second, to the nearest whole number?
Mrrafil [7]

Answer:

A rhino runs at a speed of about 28 miles per hour.

We need to determine the speed in feet per second.

Converting miles to feet:

The miles can be converted to feet by multiplying 5280 with 28 miles per hour.

Thus, we have;

28 x 5280 = 14784028 × 5280 = 147840

Thus, the speed of the rhino in feet per hour is 147840

Converting hours to seconds:

The hours can be converted into seconds by dividing 147840 by 3600 (Because an hour has 60 seconds in a minute and 60 minutes in an hour)

Thus, we get;

Speed=\frac{147840}{3600}Speed=

3600

147840

Speed = 41.066667Speed=41.066667

Rounding off to the nearest whole number, we get;

Speed = 41

Therefore, the speed of the rhino is 41 feet per second.

6 0
3 years ago
Find the sum of the first 7 terms of the following series, to the nearest integer.
Virty [35]

Answer:

r = 2.5 \\ sum =  \frac{a( {r}^{n - 1} )}{r - 1}  \\  =  \frac{125( {2.5}^{7 - 1} )}{7 - 1}  \\  =  \frac{30517.6}{6}  \\  = 5086.3

5 0
3 years ago
What is the square root of 144?
Andrews [41]

Answer:

12, -12

Step-by-step explanation:

sqrt(144)

What number times itself = 144


12*12 = 144

Also -12*-12 = 144


6 0
3 years ago
Read 2 more answers
Does the equation 2x-7=5+x have exactly one solution
Goshia [24]

Answer:

12

Step-by-step explanation:

2x - 7 =5 +x

2x - x =5 +7

x =12 (one solution)

4 0
3 years ago
Please help me with my work please help me please give me a good answer
Dvinal [7]
3: 8h+24 4: 6h+21 5: 15x+45y 6: 44h+12g
7: 7jk first box 12jm second box. 8: 9ab+13a
Basically you just want to multiply the number outside the parentheses to each number inside them.
8 0
3 years ago
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