2 years ago

2. Casey says, "I pick a number.

Mathematics

1 answer:

victus00 [196]2 years ago

4 0

Step-by-step explanation:

7,14,21,28,35,42,49,56,63,70

18,36,54,72,90,108,126,144,162,180

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A gym membership is $100 sign-up fee and charges $20 a month thereafter. How much is the membership fee in a month?

trapecia [35]

Answer:

$120

Step-by-step explanation:

y = mx + b

The $100 sign up fee is a set amount, or the b value.

The $20 would be the m value since it the constant change, or the slope.

Thus, the equation would be y=20x + 100

The membership fee for 1 month would be --->

y= 20(1) +100

y= 20 + 100

y= $120

4 0

2 years ago

stion 1 OT 5A researcher recorded the number of swans and the number of ducks in a lake every month. Function s represents the n

Anon25 [30]

Given functions are

$s(n)=2(1.1)^n+5_{}$ $d(n)=4(1.08)^n+3$

The total number of ducks and swans in the lake after n months can be determined by adding the functions s(n) and d(n).

$t(n)=s(n)+d(n)$

$t(n)=(2(1.1)^n^{}+5)+(4(1.08)^n+3)$

$t(n)=2(1.1)^n+5+4(1.08)^n+3$

$t(n)=2(1.1)^n+4(1.08)^n+5+3$

$t(n)=2(1.1)^n+4(1.08)^n+8$

Taking 2 as common, we get

$t(n)=2\lbrack(1.1)^n+2(1.08)^n+4\rbrack$

Hence The total number of ducks and swans in the lake after n months is

$t(n)=2\lbrack(1.1)^n+2(1.08)^n+4\rbrack$

8 0

1 year ago

Anita text a photo of five Dolphins to a friend to five friends she asked each of her five friends to text the photo to 5 more f

Y_Kistochka [10]

You would multiply 78,125 by 5 and get I think 390,625? I think

7 0

2 years ago

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If the coordinates of A and B are (-3, a) and (1, a+4) respectively and the mid point of AB is (-1, 1),

goldfiish [28.3K]

$a=-1$

Using the midpoint formula directly from the topic meaning

$\frac{x_{1}+x_{2} }{2} or \frac{y_{1}+y_{2} }{2}$

$\frac{a+a+4}{2} =1\\a=-1$

4 0

2 years ago

The highest number rounded to 500 is 499.. why is this answer incorrect and what is the correct answer..

SVETLANKA909090 [29]

Why is this answer incorrect?

There are decimal places that are closer to 500.

What is the correct answer?

I believe it would be 499.9 with a bar over the last 9

Hope this helps!

5 0

2 years ago

Read 2 more answers