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baherus [9]
4 years ago
6

Write an expression for the missing value in

Mathematics
2 answers:
Snowcat [4.5K]4 years ago
5 0
C. a + 3

10 + 3 = 13
11 + 3 = 14
12 + 3 = 15
a + 3 = ?
ludmilkaskok [199]4 years ago
4 0

Answer:

C) a+3

Step-by-step explanation:

We are given the following data:

Tom's Age:  10  11  12  a

Kim's Age:   13  14  15  

We have to evaluate Kim's age when Tom's age is a.

We have to build a relationship between Tim's age and Kim's age. If we look at their ages carefully we can see a pattern and their relation can be described as:

\text{Kim's age = Tim's age + 3}

Thus, when Tim's age is a, we can compute Kim's age as:

\text{Kim's age = a + 3}

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A water tank can hold 234 cubic meters of water how many gallons can the water tank hold
STatiana [176]
Since there are 264 gallons(US) in 1 m³, how many gallons(US) are there in 234 m³?

\bf \begin{array}{ccll} US~gallon&meter^3\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
264&1\\
g&234
\end{array}\implies \cfrac{264}{g}=\cfrac{1}{234}\implies \cfrac{264\cdot 234}{1}=g
6 0
4 years ago
What is the average rate of change for ƒ(x) = −3x + 79 over the interval 2 ≤ x ≤ 4?
Ainat [17]

Answer:

The average rate of change is -3.  

Step-by-step explanation:

Given : Function f(x)=-3x+79 over the interval 2 ≤ x ≤ 4.

To find : What is the average rate of change ?

Solution :

Function f(x)=-3x+79 over [2,4]

The rate of change is the slope of the line,

So, \text{Rate of change}=\frac{f(4)-f(2)}{4-2}

f(4)=-3(4)+79

f(4)=-12+79

f(4)=67

f(2)=-3(2)+79

f(2)=-6+79

f(2)=73

Substitute,

\text{Rate of change}=\frac{67-73}{4-2}

\text{Rate of change}=\frac{-6}{2}

\text{Rate of change}=-3

Therefore, The average rate of change is -3.

8 0
3 years ago
Read 2 more answers
An exercise ball contains 4000 cubic inches of air when fully inflated. Write and graph a cubic function to model this situation
juin [17]

Answer:

r = 9.8475 in

Step-by-step explanation:

We assume that the ball is spherical.


The volume of a spherical ball is:


V = \frac{4}{3}\pi r ^ 3

We know that:


V = 4000in ^ 3\\4000 = \frac{4}{3}\pi r ^ 3

Then

r ^ 3 = \frac{3*4000}{4(\pi)}\\\\r = \sqrt[3]{\frac{3*4000}{4(\pi)}}\\\\r = 9.8475in

Below is the graph of the cubic function


8 0
3 years ago
What is the greatest common factor of the polynomial below? 8x^2-4<br>   A.4x B.2x C.4x^2 D.2x^2
Vadim26 [7]

none of those are right it is 4 because there is no x behind the 4.

5 0
3 years ago
If a ball is dropped from a height of 18 feet, the function f(x) = 18(0.75)* gives the height
NeTakaya

Answer:

<h2>At the 7th bounce, the ball reached 2.3 feet height.</h2>

Step-by-step explanation:

The given expression is

f(x)=18(0.75)^{x}

This exponential function represents the movement of a bouncing ball after being dropped.

x represents the bounce number.

So, at 7th bounce means x=7, replacing this value in the function, we have

f(7)=18(0.75)^{7}=18(0.13) \approx 2.34

Therefore, at the 7th bounce, the ball reached 2.3 feet height.

8 0
4 years ago
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