What is f(-4) if f(x)=-2-8?

Answers

Answer 1
the answer is -2.5 you just have to do the math

Related Questions

d) A rectangular vessel can hold 40 litres of milk when it is full. If the area ofthe base of the vessel is 2000 cm, find the height of the vessel.​

Answers

Answer:

height of the vessel should be 50 cm I guess

Write an equation that can be used to calculate d,the distance traveled by Anthony in m minutes.use your equation to determine how far Anthony will have run after 7 minutes.

Answers

Answer:

C I think. Sorry if it's incorrect but I pretty sure it isn't.

Answer in an hour!!!! No linkssss

Answers

answer:

The correct answers are choices B, C, and D. Here is an explanation for each choice: B. All congruent figures are exactly the same size and shape. This is what makes one figure congruent to another. C. If the figures are the same size and shape, then the corresponding sides will also be congruent. D.If the figures are the same size and shape, then the corresponding angles will also be congruent.

Multiply 39.341 × 0.72 = (1 point)

PLease

Answers

Answer:

28.32552

Step-by-step explanation:

multiply

Answer:

28.32552

Step-by-step explanation:

39.331 × 0.72= 28.32552

A store pays $81 for a lawn ornament. The store marks up the price by 10%. What is the amount of the mark-up?

Answers

It’s would be 89.10.

PLEASE HELP!!

Which equation is equivalent to
-3(-x - 2) = 0?

A. 3x + 6 = 0
B. 3x - 5 = 0
C. -3x + 6 = 0
D. -3x - 5 = 0

Answers

Answer:

A. 3x+6= 0

Step-by-step explanation:

When you divide - 3 with -x, you will get a positive value and same goes for - 3 and - 2

So that is how you get the answer 3x+6= 0

22. Find the missing terms indicated by variables in the arithmetic sequence shown.
a, 30, b, 42, c, d, e

Answers

The complete sequence is 24, 30, 36, 42, 48, 54, 60

The nth term of an arithmetic progression

The nth term of an arithmetic progression is expressed according to the equation;

Tn = a + (n-1)d

where

a is the first term

n is the number of terms

d is the common difference

Determine the common difference

d = 42-b = b - 30

-b-b = -30-42

-2b = -72

b = 36

d = 36-30

d = 6

For the first term;

d = 30 - a

6 = 30 - a

a = 24

For the value of c

c = 42 + 6

c = 48

For the value of d

d = 48 + 6

d = 54

For the value of e

e = 54 + 6

e = 60

Hence the complete sequence is 24, 30, 36, 42, 48, 54, 60

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What is the slope of a line on a standard xy-plane that passes through the point (1, 3) and (4,-3)?
A.) -1
B.) 2
C.) -2
D.) 1/2
E.) - 1/2

Answers

Therefore, the slope of a line on a standard XY-plane that passes through points (1, 3) and (4,-3) is -2.

So, option (c) is correct.

Given two points are (1, 3) and (4, -3)

We need to find the slope of a line

The slope of a line (m) :

m = y₂ - y₁ / x₂ - x₁

Given (x₁, y₁) =  (1, 3) and (x₂, y₂) =  (4, -3)

Slope (m) =  y₂ - y₁ / x₂ - x₁

                = -3 - 3 / 4 - 1

                = -6 / 3

                = -2

Therefore, the slope of a line on a standard XY-plane that passes through points (1, 3) and (4,-3) is -2.

So, option (c) is correct.

To learn more about slope refer below

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14. Classify a triangle with the following side lengths: 16 cm, 12 cm, and 16 cm. ​

Answers

Isosceles triangle is the correct answer

Answer:

Isosceles

Step-by-step explanation:

The triangle has two equal sides of 16 cm. Isosceles triangles are classified to have either two of the same sides or two of the same angles.

Helpppp:)

A tank full of water is leaking at a constant rate for 25 minutes. The equation
y = -4x + 220
describes the amount of water in the tank, where yis the number of liters and
x is the number of minutes that has elapsed since the tank started to leak.
Which statement is true?
A. There were 4 liters in the tank when the leak started, and it is
increasing by 220 liters per minute.
B. There were 220 liters in the tank when the leak started, and it is
decreasing by 4 liters per minute,
C. There were 4 liters in the tank when the leak started, and it is
decreasing by 220 liters per minute.
D. There were 220 liters in the tank after 25 minutes, and it
decreasing by 4 liters per minute.

Answers

Answer:

Is it B

Step-by-step explanation:

Answer:

Step-by-step explanation:

B test!

The bag contained only red marbles and white marbles. If the ratio of red marbles to white marbles was 5 to 4, what fraction of the marbles were white? *Complete the statement by providing the correct response in number form, using / as the fraction symbol.

The fraction of white marbles is

Answers

Answer:1 1/4

Step-by-step explanation: If it is 5/4 it makes one whole leaving an extra

Can someone help me on this

Answers

Answer:

A:90

B:120

Step-by-step explanation:

all you have to do is divide 360 by 4 and then divide 360 by 3

HELP I HAVE TO FINISH IN 2 HOURS

shannon and sarah are mowing a field. shannon can finish mowing by herself in 2 hours. sarah can finish in 4 hours. how long will it take them to mow the field together?

Answers

Answer:

1h 20m

Step-by-step explanation:

Let the total amount of work be x.

Shannon:

2h = x

1h = [tex]\frac{1}{2}[/tex]x

So basically Shannon does  [tex]\frac{1}{2}[/tex]x work per hour.

Sarah:

4h = x

1h = [tex]\frac{1}{4}[/tex]x

So basically Sarah does [tex]\frac{1}{4}[/tex]x work per hour.

Together:

1h = [tex]\frac{1}{2}[/tex]x + [tex]\frac{1}{4}[/tex]x

    = [tex]\frac{2}{4}[/tex]x + [tex]\frac{1}{4}[/tex]x

    = [tex]\frac{3}{4}[/tex]x

Amount of time spent = [tex]\frac{4}{4}[/tex]x ÷ [tex]\frac{3}{4}[/tex]x

                                     = [tex]\frac{4}{4}[/tex]x × [tex]\frac{4}{3}[/tex]x

                                     = [tex]\frac{16}{12}[/tex]h

                                     = 1[tex]\frac{4}{12}[/tex]h

                                     = 1h 20m

Answer:

4/3 hours

Step-by-step explanation:

For every hour that Sarah mows, Shannon mows twice as much. Because of this, Sarah is going to mow two times as much of the field as Shannon. You can set up an equation where x is the fraction of lawn mowed. This equation should be:

2x + x = 1 -> 3x = 1

The reason the equation is set up like this is because there is 1 whole lawn that the fraction of the lawn that Shannon mows (2x) plus the fraction of the lawn that Sarah mows (x) adds up to. You can use this equation to solve for x, which will be 1/3.

Since you know x, you can find what fraction of the lawn Shannon and Sarah mow. Since Shannon mows a fraction of 2x of the lawn, the fraction she mows will be 2*1/3 = 2/3. The fraction that Sarah mows will be x = 1/3.

Now that you know the fraction of the whole lawn that both Saran and Shannon mow, you can multiply their respective fraction by the amount of time it takes for them to mow a whole lawn. To do this for Shannon, you multiply 2/3 of the lawn by 2 hours, which gives you 4/3 hours. To do this for Sarah, you multiply 1/3 of the lawn by 4 hours, which also gives you 4/3 hours.

solve the formula Ax + By= C for x.
A. x= c/a+by
B. x= c-by/a
c. x= c-by/a
d. x= c+by/a

Answers

Answer:

ax + by = c

<=> ax = c - by

<=> x = [tex]\frac{c-by}{a}[/tex]

Step-by-step explanation:

Identify the slope and y-intercept of the line.
y = 3x - 5

Answers

Answer:

Slope = 3/1 or 3

Y intercept = (0, -5) or 5

Step-by-step explanation:

The slope intercept form : y = mx+b shows that the m represents the place of the slope and the b represents the place of the y intercept.

I wrote the answer using this app

hope it helps :D

Can someone help me please

Answers

Answer:

The first one!

Step-by-step explanation:

The sum of the side lengths of any 2 sides of a triangle must exceed the length of the third side.

Answer:

The answer is C.

Step-by-step explanation:

Hope this helped have an amazing day!

Anyone mind helping? This one might be kinda hard idk tho lol BUT PLEASE HELPPPP

Answers

Answer:

Ok

Step-by-step explanation:

Please help me out :(

Answers

Answer:

True

True

False

Step-by-step explanation:

Rate of Change is slope. There is no change in slope as the line is straight.

Using the slope formula:

[tex]m=\frac{x_{2}-x_{1} }{y_{2}-y_{1}} \\m=\frac{4-0}{1-0}\\m=4[/tex]

Where m is slope

Since gold beads are on the x-axis, that means there are 4 black beads per gold bead

Mrs. Claus wants to have a nice meal ready when Santa comes home. She wants to make waffles and she knows that he will be hungry. If each recipe requires ¾ cups of butter and she has 4 ½ cups of butter, how many waffle recipes can she make?

Answers

Answer:

6

Step-by-step explanation:

Each recipe of waffles requires 3/4 cups of butter

Mrs Claus has 4 1/2 cups of butter

Therefore the number of recipes which she will be able to make can be calculated as follows

= 4 1/2 ÷ 3/4

= 9/2 ÷ 3/4

= 9/2 × 4/3

= 6

Hence Mrs Claus can make 6 recipes

Please help due by 9:30
If you get it right +20 points

Answers

Answer:

ad=DC is your answer.....

Ad=dc - hope this helps!!!!!

4 x 4 x •••4 =
7 times
find the base

Answers

The base of the given expression will be 4.

Here, we are given that 4 is multiplied by itself 7 times, that is-

4 x 4 x 4 x 4 x 4 x 4 x 4

As anything raised to the power 1 is the number itself, the given expression can also be written as follows-

[tex]4^{1} * 4^{1} *4^{1} *4^{1} * 4^{1} *4^{1} *4^{1}[/tex]

Now, we know that when we need to find the product of 2 numbers whose bases are same, we can simply add the powers. Mathematically this can be represented as follows-

[tex]a^{n}a^{m} =a^{n+m}[/tex]

Thus, the given expression will become-

[tex]4^{1} * 4^{1} *4^{1} *4^{1} * 4^{1} *4^{1} *4^{1}[/tex] = [tex]4^{1+1+1+1+1+1+1}[/tex]

= [tex]4^{7}[/tex]

Thus, we see that when 4 is multiplied 7 times, the base comes out to be 4 only.

Learn more about exponents here-

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Simplify: (15-13i)-(-1+17i)

Answers

Answer:

c

Step-by-step explanation:

16-30i

Match each representation with the correct x- and y-intercept.
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse

(-4, 0) (0, -12)

(6, 0) (0, 4)

(3, 0) (0, -9)

(-2, 0) (0, -4)

(10, 0) (0, 10)

Answers

1. The graph

Take intercepts from the graph:

(10, 0) and (0, 10)

2. The function

3x - y = 9

Calculate the intercepts

x = 0 ⇒ -y = 9 ⇒ y = - 9y = 0 ⇒ 3x = 9 ⇒ x = 3

Points are: (3, 0) and (0, - 9)

3. The table

Ordered pairs given:

(0, 4) and (6, 0)

4. The graph

Take intercepts from the graph:

(-4, 0) and (0, - 12)

5. The function

6x + 3y = - 12

Calculate the intercepts:

x = 0 ⇒ 3y = - 12 ⇒ y = - 4y = 0 ⇒ 6x = - 12 ⇒ x = - 2

Points are: (- 2, 0) and (0, - 4)

A delivery truck drove 42 miles per hour. It took 4 hours to travel between two towns. What is the distance between the two​ towns? Use the equation d=​rt, where d is​ distance, r is​ rate, and t is time.

Answers

Answer:

168 miles

Step-by-step explanation:

d = rt

d = 42 × 4

d = 168

Answer:

d = rt

d = 42×4

d = 168

Step-by-step explanation:

That is the distance between the towns.

You have to multiply the amount of miles by the time it took.

Yesterday, grace drove 33 1/2 miles. She used 1 1/4 gallons of gasoline. What is the unit rate for miles per gallon?

Answers

Answer:

30 4/5 or 30.8

Step-by-step explanation:

1/2x7 giving your answer as a mixed number

Answers

Answer:
3 and 1/2.
Step-by-step explanation:
1/2 times 7 = (7 times 1) / 2 = 7 / 2 = (6 + 1) / 2 = 3 and 1/2.
Hope this helps!

19) It will cost $12.50 per person to make dinner. Write an
inequality that represents the number of people you can make dinner
for if you only have $200 to spend

Answers

Answer:

12.50x less than or equal to $200

Step-by-step explanation:

(06.02)
Which of these is the algebraic expression for "five more than the product of ten and some number?" (3 points)

Select one:
a. 10 + 5x
b. 5 + 10 + x
c. 10x + 5
d. 5 + 10 ÷ x

Answers

Pretty sure it would be C, 10x + 5

Answer:

i think it is c

Step-by-step explanation:

i need this now ....... EXPLAIN YOUR ANSWER!!!

Answers

abcdefghijklmnooqrstuvwxyz
AC. segment AC connects the center of the circle to a point on the circle

PLEASE HELP FAST ILL GIVE BRIANLIST AND EXTRA POINTS!
What expression is equivalent to

Answers

Answer:

A

Step-by-step explanation:

Okay.

A negative exponent means we want to "flip" the term.

so we get

(1/-c^2)^1/3

When we get a fraction exponent, we want to "root" the term by that

so we get

[tex]\sqrt[3]{\frac{1}{-c^2} }[/tex]

Which simplifies to

[tex]\frac{\sqrt[3]{1} }{\sqrt[3]{-c^2} }[/tex]

Which becomes[tex]1/\sqrt[3]{-c^2}[/tex]

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