Mathematics High School

Select the correct answer.
A pencil costs $0.25 more than an eraser. If the cost of eight pencils is $6.80, what is the cost of one eraser?
A.
$1.80
B.
$0.85
C.
$0.60
D.
$0.40
E.
$0.30

Answers

Answer 1

Answer:

C.$0.60

hope this help!!!!!!!!!!!!!!!!!!!!!!

Related Questions

1. (2x^3)^4

2. 18 x^0

3. 7p ^-4

Answers

Step-by-step explanation:

1. 16x ^ 12 ( to raise a product to a power , raise its factor to the power , evaluate the power, simplify the expressions by multiplying exponents)

2. 1 ( its a rule any non zero expression raised to power of 0 equals to 1)

3. 7/p^4

Solve the equation 6(2x+4)^2=(2x+4)+2 a x=-5/3 or -9/4

Answers

Answer:

x=5/3

Step-by-step explanation:

Answer:

-5/3 or -9/4 is the answer

Step-by-step explanation:

Just completed it

A group of friends wants to go to the amusement park. They have no more than $50 to spend on parking and admission. Parking is &11 and tickets cost $13 per person plus tax. How many people can go to the amusement park?

Answers

Answer:

3 people

Step-by-step explanation:

$11 for parking leaving $39 after paying for parking

39÷13=3

i cant decide if its b or d please help for brainlist !!!!!!!!!!!!!

Answers

[tex]y = 81( \frac{1}{3} ) {}^{x} \\ [/tex]

This is right answer because option d only shows that y are multiples in sequence but this answer shows the correct sequence

A is correct! Our base number is 9 since it's at x = 0. The number gets smaller as x increases, so it will be 1/3 instead of 3.

Hope this helps :)

HELP PLEASE!! ;-; !! TWO PART QUESTION!! 1) Consider the image. Are the two triangles congruent if a is congruent to d and b is congruent to e?
A) Yes, by the ASA postulate.
B) Yes, by the SAS postulate.
Yes, by the SSS postulate.
D) No, they are not congruent.


2) suppose that three corresponding angles are congruent for two triangles (AAA), why can’t congruence be proved between the two triangles?
A) the triangles could have the same shape but not the same size.
B) The triangles could have the same size but not the same shape.
C) with three equal angles, only the shortest side of the triangles can be congruent.
D)With three equal angles, only the longest side of the triangles can be congruent.

Answers

Answer:

A

Step-by-step explanation:

A

Please help everyone!!!!! I will give you brainliest if you answer my question correctly! The average weight of 6 packages is (9m+8) pounds 2 more packages with weights of (12m + 12) pounds and (14m + 12) pounds, are added to the original 6 packages. Find the average weight of the 8 packages.​

Answers

Answer: 22m + 20

First average the 2 package weights:

(12m+12) + (14m + 12) / 2  

(26m + 24) / 2

13m  + 12

So the average weight of 2 package is 13m + 12

Now you already know the average of 6 packages that is 9m + 8. So add the 2 package and 6 package average weights.

13m + 12 + 9m + 8

22m + 20

I am not sure unless you or someone else thinks it correct. But thats it, pls forgive me if i am wrong... :(

Write an expression that is equivalent to 21h- 10h + 16 - 9 + 14h + 5

Answers

Answer:

25h+12

Step-by-step explanation:

Combine Like Terms:

21h+−10h+16+−9+14h+5

(21h+−10h+14h)+(16+−9+5)

25h+12

Same thing, no difference.

Hope this helped! :)

what term is used to refer to the reverse order of a conditional statement​

Answers

[tex] \: \: \: \: \: \: [/tex]

converse

The converse of a conditional statement is created when the hypothesis and conclusion are reversed.

hope it helps

Write the formula for the volume of a rectangular solid of length " l, " width " w, " and height " h. " Write the variable equation/write formula using the variables


Select one:


V=lwh


V= (lw)/h


V=(hl)/w


V=(hw)/l

Answers

The formula to find the volume of a rectangular solid is the first one.
V = lwh

What other point will appear on the line representing this proportional relationship where the constant of proportionality is 2?

A
(1,3)

B
(2, 4)

C
(2, 2)

D
(4, 2)

Answers

Answer:

B

Step-by-step explanation:

The equation of proportionality is

y = kx ← k is the constant of proportionality

Here k = 2 , then

y = 2x

This means that the y- coordinate is twice the x- coordinate

The only point where this is true is the point

(2, 4 ) → B

Answer:

B (2,4)

Step-by-step explanation:

If the independent variable (x) is 2, and 2 is the constant of proportionality, y is 2 x 2, or 4. (2, 4) appears on the line representing this proportional relationship.

Write (3 + 4i) + (8 + 2i) as a complex number in standard form.
А.11 - 6i
В.5 + 12i
C.7 + 10i
D. 11 + 61

Answers

Answer:

D. 11+6i

Step-by-step explanation:

3+8+4i+2i

11+6i

Can someone please give me the (Answers) to this? ... please ...

Answers

Answer:please correct me if I’m wrong but I believe Part A for the slopes are…

1.3/1 or 3

2.-3

3.9/5

4.4/3

Step-by-step explanation:

It’s going up 3 and “running” 1 and it’s positive since the line is going up.

Y2-y1. -16-2

————= ————=-18/6=-3

X2-x1. 8-2

You’re just finding the slope

Solve for it. If further explanation is needed please tell me.

A.

1. 9/5

2. -1/5

3. ? (no question)

4. 4 or 4/1

B.

5. y = 1x + 4

6. -2x + 3

7. -1/5x + 2

8. -4x + 2

I'm not sure about 5-8 the wording of the questions are confusing.

Her Packet.pdf + 127% 7. Approximately 4% of the population has blonde hair, and 10% of the population has blue eyes. If 75% of people with blonde hair have blue eyes, what percent of the population has blue eyes without blonde hair? Show your work. ​

Answers

Using proportions, it is found that 7% of the population has blue eyes without blonde hair.

10% of the population has blue eyes. These 10% are composed by:

75% of 4%(have blonde hair).x% of 96%(do not have blonde hair)

Hence, the relation according to the proportion of 10% is:

[tex]0.75(0.04) + 0.96x = 0.1[/tex]

[tex]x = \frac{0.1 - 0.75(0.04)}{0.96}[/tex]

[tex]x = 0.0729[/tex]

Out of the entire population:

0.0729(0.96) = 0.07

7% of the population has blue eyes without blonde hair.

You can learn more about proportions at https://brainly.com/question/24372153

I need to solve for G in the following equation

Answers

So the square root of it is
2G-N=T
+N +N
2G=T+N
-divide both sides by 2
G=T+N /2

What’s 8 more then triple a number?

Answers

Answer:

x^3+8

Step-by-step explanation:

A bakery worker ordered 3000 eggs when only 300 eggs were needed. Which explains how many more eggs were ordered than were needed? A. 100 times more because there are 2 zeros in 300 B. 1000 times more because there are 3 zeros in 3000 C. 10,000 times more because there are 5 total zeros in 3000 and 300 D. 10 times more because there is 1 more zero in 3000 than in 300

Answers

Answer:

D

Step-by-step explanation:

A microscope shows an image of an object that is 40 times the object's actual size. So, the
scale factor of the enlargement is 40. An insect has a body length of 4 millimeters. What is the
body length of the insect under the microscope?

160 centimeters

16 millimeters

1,600 millimeters

160 millimeters

Answers

Answer:

I don't know I wanna say the 3rd one

Step-by-step explanation:

convert 3 3/4 into a improper fraction

Answers

Answer:

3 3/4 = 15/4

Step-by-step explanation:

To turn a mixed number into an improper fraction, multiply the whole number with the denominator of the proper fraction. Add the numerator of the proper fraction to this product to obtain the numerator of the improper fraction.

Hoped this helped.

A 3-quart carton costs $2.79, while a 4-quart carton costs $3.88. Which is the better buy and why?

Answers

Answer: the 4 quart is a better buy

Step-by-step explanation:

Solve -4 b + 2 = 18.

Answers

Answer:

-4

Step-by-step explanation:

Move all terms that don't include B to the right and solve

Define linear relationship. Give an
relationship.


PLESE HELP

Answers

Answer:

in linear algebra a linear relationship or simply relation between elements of a vector space or a module is a linear equation that has these elements as a solution

In parallelogram ABCD, the following is true: m m
m m m m

Answers

Step-by-step explanation:

pa brainlest po

hope it help

A real estate agent sold a lot for P550,000.00. If his agency pays 10% commission, how much commission will he/she receive?​

Answers

Answer:

  P55,000

Step-by-step explanation:

The amount of commission is found by multiplying the commission rate by the value of the sale(s).

  commission = rate × sales

  commission = 0.10 × p550,000 = P55,000

The agent will receive P55,000 in commission.

_____

Check

The amount of commission cannot be more than the value of the sale. It is generally a small fraction of the sale value. Here, it is 1/10.

Kim is playing an online trivia game. she has 25 points and earns 1 point for each correct answer .she will advance to the next round if her score is over 34 points

Answers

Answer: 10 points

Step-by-step explanation:

She must get 10 answers right to get into the next round, if it need to be over 34

25+10=35

Can i have brainliest

Answer:

1x + 25 > 34

Step-by-step explanation:

test says its right

Heather bought 7 cases of water for $38.50. How much did each case cost?

Answers

38.50/7 = $5.50 for each cases of water Heather bought.

Answer:

$5.50 / case

Step-by-step explanation:

Here we're finding the 'unit cost' $38.50 / (7 cases) = $5.50 / case

Name an example of a real life use of the sine graph.

Answers

Answer:

Sine and cosine functions can be used to model many real-life scenarios – radio waves, tides, musical tones, electrical currents.

im sorry if its wrong I just search this :)

PLEASEE HELPP!
Use the following figure to answer BOTH parts the question
(a) Describe in words a sequence of transformations that maps ∆ to ∆′′′.
(b) Write an ordered-pair rule for each transformation in the sequence.

Answers

Transformation involves changing the position of a shape

The sequence that maps ∆ABC to ∆A′B′C′ is reflection across the y-axis, followed by horizontal and vertical shiftsThe ordered pair rule is: [tex](x,y) \to (-x,-1,y-2)[/tex]

(a) The sequence that maps both triangles

From the figure the coordinates of both triangles are:

[tex]A = (-5,0)[/tex]

[tex]B = (-2,1)[/tex]

[tex]C = (-4,2)[/tex]

[tex]A' = (4,-2)[/tex]

[tex]B' = (1,-1)[/tex]

[tex]C = (3,0)[/tex]

Start by reflecting triangle ABC across the y-axis.

The rule of this transformation is:

[tex](x,y) \to (-x,y)[/tex]

So, we have:

[tex]A = (5,0)[/tex]

[tex]B = (2,1)[/tex]

[tex]C = (4,2)[/tex]

Next, translate the triangle 1 unit left and 2 units down

The rule of this transformation is:

[tex](x,y) \to (x,-1,y-2)[/tex]

So, we have:

[tex]A' = (4,-2)[/tex]

[tex]B' = (1,-1)[/tex]

[tex]C = (3,0)[/tex]

Hence, the sequence that maps ∆ABC to ∆A′B′C′ is reflection across the y-axis, followed by horizontal shift to the left by 1 unit, and vertical shift down by 2 units

(b) The ordered pair rule

In (a), we have:

[tex](x,y) \to (-x,y)[/tex] ---- reflection

[tex](x,y) \to (x,-1,y-2)[/tex] --- translation

Combine both transformations, so we have the following ordered pair:

[tex](x,y) \to (-x,-1,y-2)[/tex]

Hence, the ordered pair rule is: [tex](x,y) \to (-x,-1,y-2)[/tex]

Read more about transformation at:

https://brainly.com/question/22047495

the other two options are…
c. Function A and function B both have two real solutions.
d.The vertex of function A is lower on the graph than the vertex of function B.
GIVING BRAINLIEST IF FAST

Answers

It’s B

Explanation: use desmos or trust me lol

SHOW WORK PLS.
y = x ^ 2 - x - 11
y = - x - 7
solve by substitution!

Answers

X^2-x-11=-x-7
X^2-11=-7
X^2=4
X=2 (4 was reduced to 2 after the equation was square rooted)
Pls give brainliest so close to ranking up

CAN SOMEONE HELP ME PLEASE ASAP!?

Answers

Answer:

27.2 ft

Step-by-step explanation:

similar triangles

51/90=x/48

x=27.2 ft

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Read the excerpt from The Story of an HouseThere would be no one to live for during these coming years, she would live for herself. There would be nopowerful will bending hers in that blind persistence with which men and women believe they have a right toimpose a private vill upon a fellow-creature. A Kind intention or a cruel intention made the act seem no less acrime as she looked upon it in that briet moment of illuminationWrich universal theme is expressed in the exceptoRomantic relationships are a burden rather than a blessingAll women are suppressed by the men they marry,Marriage is usually about tansiness rather than true love,Arranged marriages will leave both partners undulilled,SubsREGSave and ExitMade to andretum 15millas a km alguien pliss para ahorita porfa lo sigo how do musels helps us Stella has five times as many books as Tina. If Stella gave 16 books to Tina, they would each have the same number of books. How many books does Stella have? SORRY HELP xx jdjskcksickkwskkdwkkcwo Carl Linnaeus developed which of the following?- the first system to differentiate between plants and animals- the taxonomic system that underlies most major modern systems- the most recent classification system to be adopted in the last century- the first scientific professional research group to work on an international taxonomy Muestras de tamaos 120 y 150 produjeron proporciones de 0.69 y 0.73. Pruebe la igualdad de las proporciones de la poblacin al nivel del 5%. The Iran-Contra Affair essentially involved a hiring Iranian militants to fight for the Contra cause in Central America. b selling arms to Iran in exchange for hostages and using the profits to illegally fund the Nicaraguan Contras. c selling arms to both sides in the Iran-Iraq War. d secretly recognizing the Iranian regime while claiming to be boycotting it. e using both Iranian and Nicaraguan Contra agents to help free American hostages in Lebanon. Where was the attack of the Soviet Union stopped?O StalingradO KievO MunichThe Bulge 10. QuestionWhat are the drawbacks of purchasing something online? Check all that apply. DonCo. Inc. sold merchandise on January 14, and accepted a 90 day, 5% promissory note in the amount of $5,000. On January 14, the entry to record this transaction would include a debit to: a. Cash in the amount of $5,000 b. Notes Receivable in the amount of $5,000 c. Accounts Receivable in the amount of $5,000 d. Sales in the amount of $5,000 Find the ratio of the diameter of aluminium to copper wire, if they have the same resistance per unit length. Take the resistivity values of aluminium and copper to be 2.65 108 m and 1.72 108 m respectively The procluct of q and y digided by the sum of 8 and X find the solution for -2.5x +5 < - 2.5 on a number line The Pueblo Revolt of 1680.A. Occurred because the Pueblos rejected everything Spanish,B. Resulted from the governors ignoring the Catholic priests' advice. C. Was a response to the Franciscan missionary demand that the Indians totally reject their traditional culture, D. Led to Spain's withdrawal from New Mexico for 100 years, What other things do you think are important to consider when funding a business why are they important Who is Abraham Lincoln? Kim tra 800 ht go ca mt l go ngi ta thy c 750 ht nguyn, 25 ht tm ln, 25 ht tm b. Hy tm khong tin cy ca t l ht nguyn ca l go ni trn vi tin cy 95%. Cho U(0,025) = 1,96, U(0,05) = 1,645. Is my answer correct? Listt any four general characteristics of pisces.