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3 years ago

What number is missing from the fact family? 4 6 10 16

Mathematics

2 answers:

musickatia [10]3 years ago

7 0

Answer:

Note that 6 is 4 plus 2,

10 is 6 plus 4, or 6 plus 2^2

16 is 10 plus 6

Given the first term, 4, we find the second term by adding 2 to 4, obtaining 6.

Given the 2nd term, 6, we find the third term by adding 4 to 6, obtaining 10.

Given the 3rd term, 10, we find the fourth term by adding 6 to 10: 16

What's the next term? Find the fifth term by adding 8 to 16: 24 (answer)

Step-by-step explanation:

24 would be the answer hope this helps ya :)

Leona [35]3 years ago

4 0

Answer: I believe it’s 24

Step-by-step explanation: if not sorry

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A car wheel has a diameter of 20.8 inches.

m_a_m_a [10]

Answer:

65.312 inches
326.56 inches
1959.36 inches

Step-by-step explanation:

<h3>Given</h3>

d = 20.8 inches

Travel in 1, 5, 30 rotations

<h3>Solution</h3>

<u>Circumference of the wheel is equal to one full rotation</u>

C = πd = 3.14*20.8 = 65.312 inches
5C = 5*65.312 = 326.56 inches
30C = 30*65.312 = 1959.36 inches

7 0

3 years ago

Read 2 more answers

Work out the value of (1.7 × 10⁴) × (8.5 × 10^-2) give your answer in standard form

kogti [31]

Answer:

Step-by-step explanation:

10^4 = 10000

1.7 × 10^4 = 1.7 × 10000

= 17000

10^-2 = 1/10^2= 1/100

8.5 × 10^-2 = 8.5 × 1/100

= 17/200

Final answer = 17000 × 17 / 200

= 1445

Plz mark it as brainliest

7 0

3 years ago

I'm studying a new bacteria that doubles in numbers every 25 minutes. If i start with 50 bacteria, how long until i have 5 milli

dimaraw [331]

Answer:

415.63 minutes

Step-by-step explanation:

Growth can be represented by the equation $A=A_0e^{rt}$ . We can find the rate at which it grows by using t=25 minutes and $\frac{A_{0}}{A} =2$ or double the amount at that time. The first step we always take is to divide $A_0$ by A.

$[tex]\frac{A_{0}}{A}=e^{rt}\\2=e^{r(25)}$

$2=e^{(25)r}$

To solve for r, we will take the natural log of both sides and use log rules to isolate r.

$ln 2=ln e^{(25)r}\\ln 2=25r (ln e)\\\frac{ln2}{25} =r$

We know $lne=1$ so we were able to cancel it out and divide both sides by 25.

We solve with a calculator $\frac{ln2}{25} =r\\0.0277=r$

We change 0.0277 into a percent by multiplying by 100 to get 2.77% as the rate.

The equation is $A=A_0e^{0.0277t}$ .

We repeat the step above substituting A=5,000,000, $A_0$ =50, and r=0.02777. Then solve for t.

$5000000=50e^{0.0277t}\\\frac{5000000}{50} =e^{0.0277t}\\100000=e^{0.0277t}\\ln100000=lne^{0.0277t}\\ln100000=0.02777t(lne)\\\frac{ln100000}{0.0277} =t$