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2 years ago

{-14, -8, -3, 2, 12, 24, 35}

Mathematics

1 answer:

crimeas [40]2 years ago

3 0

It would be the b answer hope it works out for you

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Part I

Crazy boy [7]

Answer:

130

Step-by-step explanation:

10 x 13 = 130

13 + 13 + 13 + 13 + 13 + 13 + 13 + 13 + 13 + 13 = 130

4 0

2 years ago

Describe how you can use compatible numbers to estimate 17x27

Gemiola [76]

Answer:

600

Step-by-step explanation:

all you got to do is 17 goes to what? 20 because its closer. and 27 is closer to 30.

I hope that helps you.

8 0

3 years ago

The mass of a bacteria culture doubles every four days. If the initial sample is 5mg: a) how much will you have after one week (

maks197457 [2]

Answer:

a) 16.82 mg

b) 24 days

Step-by-step explanation:

Formula for exponential growth is given as:

$A=A_0b^{\frac{t}{c}}$

Where A is the final population

$A_0$ is the initial population

b is the growth factor

c is the time taken for the growth 'b'

t is the amount of time

Here, We are given the following:

$A_0$ = 5 mg

b = 2 (Given because it doubles)

c = 4 days

a) A = ?

Using the formula:

$A=5 \times 2^{\frac{7}{4}}\\\Rightarrow A=5 \times 2^{1.75} \\\Rightarrow A = \bold{16.82\ mg}$

b) Given

A = 320 mg

t = ?

Using the above formula again:

$320 = 5 \times 2^{\frac{t}{4}}\\\Rightarrow \dfrac{320} 5= 2^{\frac{t}{4}}\\\Rightarrow 2^{\frac{t}{4}} = 64\\\Rightarrow 2^{\frac{t}{4}} = 2^6\\\Rightarrow \dfrac{t}{4} = 6\\\Rightarrow t = 6 \times 4\\\Rightarrow \bold{t = 24\ days}$

So, the answers are:

a) 16.82 mg

b) 24 days

6 0

3 years ago

Can somebody help me with this please!!

saul85 [17]

1. -21

2. −39

3.−42

4. -5

5. −3

for the other question u can use calculator :)

8 0

1 year ago

1. A baseball coach graphs some data and finds the line of

Vlada [557]

The answer to this is 35 because i did caculation and thats the answer it gave me

6 0

2 years ago