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Thepotemich [5.8K]
3 years ago
13

Distribute 7 x (2+2x)

Mathematics
1 answer:
True [87]3 years ago
4 0
28 x because parenthesis first and you can’t do 2 + 2x so 7x times 2 is 14x and 7 times 2x is 14x
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There are 240 students on Misty’s school. This is 5% of the total students in the school district. How many students are there i
Viktor [21]
So if 240 is 5%, double it to get 480 than multiply it by 10 to get 4800.
5 0
3 years ago
There are 20 parrots at the animal sanctuary. Their population is increasing at a rate of 15% per year. There are also 24 snakes
worty [1.4K]
For the answer to the questions above,
A) Parrots are following a Geometric Progression of 15% increase.

20(1.15),  20(1.15)², 20(1.15)³,

Function  = 20(1.15)^n      Where n is at the end of year, n =1, 2, 3, ..

Snakes are increasing by 4.

28, 32, 36,....

Function =  24 + 4n          n = number of end year,      n =1, 2, 3,...

<span>B) After 10 years:              </span>
Parrot =  20(1.15)¹⁰    = 80.91115471

Snakes =  24 + 4(10) = 64

<span>C) After what time they are the same: </span>
We use trial and error:


Test:  n                             20(1.15^n)                        (24 + 4n)
          1                                    23                                   28
          2                                    26.45                              32
<span>          3                                    30.41                             36    </span>
          4                                    34.98                              40
          5                                    40.23                              44
          6                                    46.26                              48
          7                                    53.20                              52
          8                                    61.18                              56
          9                                    70.36                              60

After year 7, the Parrots increases far more.
<span>At year 7 they are roughly the same.</span>
8 0
3 years ago
Pls I need help with his math problem
Leno4ka [110]

Answer:

  a) P = 0.08s +200

  b) $488

  c) $6250

Step-by-step explanation:

<h3>a)</h3>

Your answer is correct. The commission rate is multiplied by the sales amount, and that product is added to the guaranteed pay to get the paycheck amount:

  P = 0.08s +200

__

<h3>b)</h3>

Fill in 3600 for s and do the arithmetic.

  P = 0.08×3600 +200 = 288 +200 = 488

The paycheck amount will be $488.

__

<h3>c)</h3>

Use the equation for part (a) and solve for P = 700.

  700 = 0.08s +200

  500 = 0.08s . . . . . . subtract 200

  500/0.08 = s = 6250 . . . dollars; divide by the coefficient of s to get this

Sales would have to be $6250.

8 0
3 years ago
At a diner, Hailey's lunch cost $6.75. Her sister's lunch cost $5.95. After lunch they each had a frozen yogurt that cost the sa
aivan3 [116]

Answer:

Each cost 2.50$

Step-by-step explanation:

6.75+5.95=12.7

17.40-12.7=5

5÷2= 2.5

Each cost 2.50$

8 0
3 years ago
Read 2 more answers
What is the value of z? Z=2<br> 8<br> 4<br> 2/3<br> 6
ipn [44]
8 . The answer is A….
4 0
2 years ago
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