MATHEMATICS HIGH SCHOOL

Help me please im so confused ????

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

I think this is which are in y=mx+b/ So, the ones that are correct would be B

m not sure tho... PLEASE MARK BRAINLIEST!!!

Answer 2

Answer:

Answer:

Please see below.

Step-by-step explanation:

Standard form equations are like the following:

ax - by = c

a, b, and c are the numbers, and x and y are the variables.

Let's look at your case.

Here are the equations that fit into the category:

4x + 1/2y = -9

9x - 2y = -6

-x + y = 2 (I'll have to look deeper into that though)

Hope this helps!

Let me know if I've gotten anything incorrect :)

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What is the greatest possible error if Bruce measured a buckle as 3.2 cm using the ruler?

Answers

Answer:

The greatest possible error for the measurement 3.2 cm is 0.05 cm.

Step-by-step explanation:

We have given that,

Bruce measured a buckle as 3.2 cm using the ruler

We have to find,

What is the greatest possible error?

Solution is given by,

The greatest possible error is defined as the error is half of the measuring unit.

Bruce measured a buckle as 3.2 cm using the ruler.

The measuring unit is nearest tenth of a cm or 0.1 cm.

The greatest possible error is half of 0.1.

i.e. $GPE=(0.1)/(2)$

$GPE=0.05}$

Therefore, The greatest possible error for the measurement 3.2 cm is 0.05 cm.

Consider the logarithmic equation f(x) = ln (x + 2) – 1. Round all values to the tenths place.(a) Determine any x- and y-intercepts.
(b) Determine the domain and the equation of the vertical asymptote.
(c) Make a table of values to find three other points on the graph.
(d) Graph the function. Label the three points you found in Part (c).

Answers

Hello,

A) x=0==> f(0)=ln(2)-1=-0,30685281944005469058276787854182
y=0==>ln(x+2)-1=0
==>ln(x+2)=1
==>e^ln(x+2)=e^0
==>x+2=0
==>x=-2

B)
dom f(x)={x∈IR | x>2}
x=-2 is the vertical asymptote

c)
A=(-1,-1)
B=(0,ln(2)-1=-0,30685281944005469058276787854182 )
C=(1,ln(3)-1=0,09861228866810969139524523692253)
D=(2,ln(4)-1)=0,38629436111989061883446424291635)

d) see picture

A and B share the cost in a ratio of 3:2. A pays £125 how much does b pay?

Answers

To solve this problem, we can set up proportion, which is two equivalent ratios. In this case, we are using the ratio of A to B to figure out the amount that B pays using our value for A. We are allowing x to represent the unknown value for the B payment. This is modeled below:

3/2 = £125/x

To simplify, we can perform cross-multiplication. This means multiplying the numerator of one fraction by the denominator of the other and setting it equal to the product of the other numerator and denominator. This is modeled below:

(125)(2) = (3)(x)

Next, we can simplify the equation by performing the multiplication on both sides of the equation.

250 = 3x

Finally, we should divide both sides by 3 to get our unknown variable x alone on the right side of the equation.

x = 83.33

Therefore, B costs £83.33.

Hope this helps!

Hello!
3 + 2 = 5
125 divided by 5 = 25
25 x 3:2 = 2
25 x 2 = 50

which of the following statements is true? a) both the square root of 0.25 and -the square root of 16 are irrational. b) the square root of 0.25 is rational and -the square root of 16 is irrational c) both the square root of 0.25 and -the square root of 16 are rational d) the square root of 0.25 is irrational and -the square root of 16 is rational

Answers

Answer:

Option: C is the correct answer.

c) both the square root of 0.25 and -the square root of 16 are rational.

Step-by-step explanation:

Rational Number--

A number which could be expressed in the form of p/q where p belongs to integers and q belongs to natural numbers.

and if it could not be expressed as one then the number is called a irrational number.

(1)

\sqrt{0.25}

Now, we can represent it as follows:

$√(0.25)=\sqrt{(25)/(100)}\n\ni.e.\n\n√(0.25)=\sqrt{((\pm 5)/(10))^2}\n\ni.e.\n\n√(0.25)=\pm (5)/(10)=\pm (1)/(2)$

Hence, the number could be expressed in the form of p/q

Hence, the number is a rational number.

$-√(16)$

It could be represented as follows:

$-√(16)=-√((\pm 4)^2)\n\ni.e.\n\n-√(16)=\pm 4$

Hence, the number is a rational number.

The answer is C because the only time a square root is irrational is if it is a negative like -16 it is irrational because you can’t have 4^2=4*-4

This dot plot shows the number of cakes sold each day in aunt alice's cake shop last month. what is the median number of cakes sold each day?

Answers

Answer:

The median is 2.

Step-by-step explanation:

I just did the test :)

Answer:

the answer should be 2

Step-by-step explanation:

casey ran a 75 meter race in 10 seconds her distances at certain times during the race are shown in the table . what is the domain for the graph of the function that would model her race[ time in seconds 0 1 2 3 4 5 6 7 8 9 10 : distance in meters 0.0 5.5 12.0 20.0 28.5 36.0 44.0 56.5 64.0 75.0

Answers

The domain of the graph is everything x is allowed to equal. Parentheses are used to show that x can be everything up to, but not including that number. Brackets are used to show x can be anything up to, and including, that number. The comma between the two numbers indicates that x can be anything between those two numbers.

Here, the time goes on the x axis and the distance will go on the y axis.
Time: 0 1 2 3 4 5 6 7 8 9 10
Distance: 0.0 5.5 12.0 20.0 28.5 36.0 44.0 56.5 64.0 75.0

Since we are dealing with the domain, we really only need to focus on the time.
Time: 0 1 2 3 4 5 6 7 8 9 10

From this, we see that the values go from 0 to 10. This means that x can be anything from 0 to 10. Because there are y values that correlate with the numbers 0 and 10, we know that the domain will include 0 and 10. This indicates we must use brackets.

Knowing all of this information, we can now write our domain as:
[0, 10]

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