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olasank [31]
3 years ago
10

I have attached the question below, if you could help me, I would really appreciate it.

Mathematics
2 answers:
nata0808 [166]3 years ago
7 0

Answer:

13/2

see the picture above

omeli [17]3 years ago
7 0

Answer:

\frac{4x - 1}{2}  = x + 7 \\ 4x - 1 = 2(x + 7) \\ 4x - 1 = 2x + 14 \\ 4x - 2x = 1 + 14 \\ 2x = 15 \\ x =  \frac{15}{2}  \: or \: x = 7.5

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Geologists recorded the duration (in seconds) of over 500 recent eruptions of the Old Faithful geyser in
Gre4nikov [31]

Answer: C (A unimodal histogram, and the dotted line lands at 210)

Step-by-step explanation:

Khan Academy - “The sample size is reasonably large (n = 30 _> 30), so the sampling distribution of x will be approximately normal even though the population isn’t.”

5 0
3 years ago
Q1: How are rational exponents and radicals related? Q2: How can the average rate of change be identified for a function? Q3: Ho
masha68 [24]

Answer:

The answer is given below

Step-by-step explanation:

Q1: How are rational exponents and radicals related?

Rational exponents are exponents in fraction form. Radicals are roots (square root, cube root and so on).

The denominator of the rational exponent is the root which is the same as the radical.

Q2: How can the average rate of change be identified for a function?

The average rate of change is ratio of the change in output to the change in input values. The average rate of change for a function is the slope of the function.

It can be gotten by finding the first derivative of he function.

Q3: How do linear and exponential functions compare as the domain increases?

For linear functions as x increases, y also increases by the same amount (i.e rate of change is constant). For exponential function the rate of change increases by a factor known as the multiplier.

8 0
4 years ago
Find the amount in the bank after 7 years if interest is compounded quarterly?
qwelly [4]

Answer:

a) amount in the bank after 7 years if interest is compounded quarterly is $6,605

b) amount in the bank after 7 years if interest is compounded quarterly is $6,612.57

Step-by-step explanation:

We are given:

Principal Amount P= 5000

Rate r= 4% = 0.04

time t = 7 years

The formula used is: A=P(1+\frac{r}{n})^{nt}

where A is future value, P is principal amount, r is rate, n is compounded value and t is time

a) Find the amount in the bank after 7 years if interest is compounded quarterly?

If interest is compounded quarterly then n = 4

Using values given in question and finding A

A=P(1+\frac{r}{n})^{nt}\\A=5000(1+\frac{0.04}{4})^{4*7} \\A=5000(1+0.01)^{28}\\A=5000(1.01)^{28}\\A=5000(1.321)\\A=6,605

So, amount in the bank after 7 years if interest is compounded quarterly is $6,605

b) Find the amount in the bank after 7 years if interest is compounded monthly?

If interest is compounded quarterly then n = 12

Using values given in question and finding A

A=P(1+\frac{r}{n})^{nt}\\A=5000(1+\frac{0.04}{12})^{12*7} \\A=5000(1+0.003)^{84}\\A=5000(1.003)^{84}\\A=5000(1.322)\\A=6,612.57

So, amount in the bank after 7 years if interest is compounded quarterly is $6,612.57

6 0
3 years ago
Que signifuca (1,r) en matematicas?
velikii [3]

Hello from MrBillDoesMath!

Answer:

(1,r) is point on the Cartesian plane


Discussion:

(1,r) is an ordered pair with a first component (the "x" component) and a second component (the "y" component). In this case  (1,r) appears to be a point (punto) whose x coordinate is 1 and whose y coordinate is "r"


Thank you,

MrB

7 0
3 years ago
A car has 4 wheels while an autorickshaw has just 3. Complete the blank. An autorickshaw has ?? % percent fewer wheels than a ca
goldfiish [28.3K]
25%

Because 25% (1/4) of four is 1/1 or simply just 1. Now if we subtract 1 from 4 we get 3. This is the same as subtracting 25% from four.

To find the percentage of a number thorn the percentage into a fraction and multiply them together. e.g. 1/4 * 4 = 4/4 = 1
4 0
3 years ago
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