Mathematics High School

please help me answer this

Answers

Answer 1

Answer:

(-2.5, -2) (-2, -1.5) (1.5, 2) (2, 2.5)

Step-by-step explanation:

In these intervals, the y value is decreasing.

Related Questions

the product of nine and a number decreased by six

Answers

Answer:

9* (x-6)

9x-54

9x=54

x=54/9

x=6

Step-by-step explanation:

what is the answer to (2x -3) / 4 = 9

Answers

Answer:

[tex]x=\frac{39}{2}[/tex]

Step-by-step explanation:

[tex]\frac{2x-3}{4}=9\\ \\2x-3=36\\\\2x=39\\\\x=\frac{39}{2}[/tex]

Help me on this please!

Answers

Answer:

B-a population growth of 3% each year

Step-by-step explanation:

The 1.03 would mean that the exponential function is increasing by 3% every year because it is 0.03 units above 1.

Answer the question below

Answers

Answer:

Step-by-step explanation:

The side length of the larger pentagon is 3, but the side length of the smaller pentagon is 2, so the scale factor is 2/3.After this. we want the points that stick the farthest out to map onto each other, so they need to have the same y coordinate. So, translate down 2 units.Finally, reflect over the y axis.This shows the pentagons are congruent.

On March 1st Kendra’s checking account had a balance of $325.31. She wrote a check for $24.85, withdrew $40 from the ATM, and deposited $15. What was Kendra’s balance after these transactions?

Answers

Answer:

275.46

Step-by-step explanation:

She has $325.31

she writes a check for $24.85

she withdrew $40

and deposited $15

so do 325.31-24.85-40+15

and that equals

275.46

The given two-way table shows the number of passengers, by type, on the Ferris wheel at an amusement part for its first two runs on a Sunday morning.

First Run
Second Run Total
Children 122 146 268
Adults 183 219 402
Total 305 365 670

Based on the data in the table, what is the value of P(Adult|Second run) rounded to the nearest thousandth?

Answers

The two-way table is an illustration of probability, and the value of P(Adult|Second run) is 0.600

How to determine the probability?

The probability to calculate is given as: P(Adult|Second run)

This means:

The probability that an Adult is selected given that the adult runs the second run

The formula to solve this is:

P(Adult|Second run) = n(Adult and Second run)/n(Second run)

From the table, we have:

n(Adult and Second run) = 219

n(Second run) = 365

So, we have:

P(Adult|Second run) = 219/365

Evaluate

P(Adult|Second run) = 0.600

Hence, the value of P(Adult|Second run) is 0.600

Answers

The answer is c thats what i think

Goran wants to find the average height of students in the 9th grade at Northside Highschool. So he will use the height of 50 students in the 9th grade to find the average height.

Explanation: pounds - currency/weight, ounces - volume of water, centimeter - height/length, grams - mass, inches - height

Solution:

(a)

1) centimeters

2) inches

(b) Solution: Randomly pick 50 students from the 9th grade and measure their heights.

Find x and find angle b

Answers

X = 3; B = 70

60 + 15x + 5 + 22x + 4 = 180
69° + 37x = 180
37x = 180° - 69°
37x = 111°
x = 111/37
x = 3

B = 22x + 4
B = 22(3) + 4
B = 66 + 4
B = 70

PLEASE HELP!!!!!!!!!!!!!!

Answers

In a circle, the arc is two times the length of the angle.

EFG = 98°

98 x 2 = 196

Minor arc EG = 196°

Hopefully this helps :)

Find the total value of the investment after the time given. $480 at 9% compounded monthly for 7 years

Answers

[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$480\\ r=rate\to 9\%\to \frac{9}{100}\dotfill &0.09\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years\dotfill &7 \end{cases} \\\\\\ A=480\left(1+\frac{0.09}{12}\right)^{12\cdot 7}\implies A=480(1.0075)^{84}\implies A\approx 899.14[/tex]

can someone help me with this question? Thank you!

Answers

Answer:

i hope this can help you!

When calculating interest accrued, you use the
O A. APR
O B. APY
O C. debt ratio
O D. going rate

Answers

A. APR.

multiply the principal by the APR and the
number of months in the year, then divide by the
number of months earning interest. multiply the
principal by the APR and number of months,
then divide by the total number of months in the
year. multiply the principal by the APR and
number of months.

6) Which of the following equations is of a parabola with a vertex at (3, 0)?
a) y = x2 + 3
b) y = x2-3
c) y = ( x + 3) 2
d) y = ( x - 3)2

Answers

Answer: Second option is correct.

Step-by-step explanation:

Since we have given that

We need a parabola with a vertex at (0,-3)

If we select the equation:

[tex]y=x^2-3[/tex]

When we put x = 0, we get

[tex]y=0-3[/tex]

[tex]y=-3[/tex]

And similarly, when we put y = -3, we get

[tex]-3=x^2-3[/tex]

[tex]0=x^2[/tex]

[tex]x=0[/tex]

Hence, second option is correct.

Claudia is making a candle by pouring melted wax into a mold in the shape of a cylinder. The radius of the cylinder’s base is 4 cm, and the height of the cylinder is 9 cm. To get the wax for the candle, Claudia melts cubes of wax that are each 3 cm by 3 cm by 3 cm. How many of the wax cubes will Claudia need to purchase to make the candle? (Note that Claudia is not able to purchase partial cubes). Show all your work.

Answers

The formula of a cylinder is 2πr (r+h)

2π4 (4+9)

8π (13)

25.13 (13)

326.73

Cubes: area = a^3

3x3x3 = 27

326.73 / 27 = 12.1

Claudia would need to buy 13 wax cubes to fil the candle.

hope this helps k12 students :)

If 3x^2+3y^2 = 42 and xy = -15, find the value of (x-y)^2

Answers

Answer:

3x² + 3y² = 42

3 ( x² + y² ) = 42

x² + y² = 14

xy = -15 ( given )

(x-y)² = x² + y² - xy

14 - ( -15 )

14 + 15

Find the area of a polygon

Answers

Answer:

32.71cm² is the area

Elsie is going to flip a coin and spin a spinner. The coin has a heads and a tails. The spinner has four equal parts that are yellow, blue, red, and green. What are the chances that Elsie gets heads and red on the spinner?

A. 1/8

B. 1/6

C. 1/4

D. 1/2

Answers

Answer:

1/8

Step-by-step explanation:

.5x.25=.125

1 divided by 8 equals .125

Answer:

Step-by-step explanation:

Answer:

1/8

Step-by-step explanation:

.5x.25=.125

1 divided by 8 equals .125

83 + (25) : 5 > 32 + 42

Answers

Step-by-step explanation:

83 +(25)/5 >32 + 42

Simplify 83 + (25)/5= 108/5

Simplify 32 + 42: 74

108/5>74

Therefore the solution is false

In a soccer league with four teams, each team played four games with every other team. Each team received 3 points for a win, 1 point for a tie, and no points for a loss. After all the games, the point tallies were as follows: Team A won 22 points, team B won 19 points, team C won 14 points, and team D won 12 points. How many games ended in a tie?

Answers

The number of game that ended in a tie are= 67

Calculation of total number of ties

The number of points that makes up a win = 3

The number of points that makes up a tie = 1

The number of points that makes a loss = 0

Team A = 22 points

Team B = 19 points

Team C = 14 points

Team D = 12 points

The total of points gotten by the whole team is = the games that ended in a tie.

That is , 22+19+14+12 = 67

Learn more about addition here:

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What is the surface area of the model, including the bottom face?

Answers

Answer:

D. 483.84 ft^2.

Step-by-step explanation:

we have 2 triangles and 7 rectangles, 5 of which are 8.4*8.4 squares.

Area = 2 * 1/2 * 4 * 8.4 + 2*5.8*8.4 + 5 * 8.4^2

= 33.6 + 97.44 + 352.8

= 483.84 ft^2.

Use the following data set to answer questions 1-8: 13, 19, 7, 12, 21, 18, 15 1. Calculate the mean. Round to the nearest tenth.

Answers

Answer:

Mean = 13.3

Step-by-step explanation:

Mean = Sum of numbers = 13 + 19 + 7 + 12 + 21 + 18 + 15 + 1 = 106 = 13.25

Amount of numbers 8 8

13.25≈13.3

⚠ANSWER FOR THE 5TH GRADERS⚠

Answers

Answer:

vitamins - organic compound

minerals - inorganic compounds

Step-by-step explanation:

Answer:

1. minerals = B inorganic elements

2. Vitamins = A organic compound

Step-by-step explanation:

please can someone help fr

Answers

Step-by-step explanation:

help with what because on this tab I can only see a picture icon and not the actual snap so I'd like to help but I really cant

Answer:

x = 116°

Step-by-step explanation:

Finding the value of 'x' in a polygon

[tex]\sf \boxed{\text{Sum of interior angles of a polygon = (n - 2)*180}}[/tex]

= (5 - 2) *180

= 3*180

= 540°

90 + 119 + 86 + 129 +x = 540

424 + x = 540

x = 540 - 424

x = 116°

Help me pls which one

Answers

Answer:

C . 0.1

Step-by-step explanation:

There are nine lines between 0 and 1

The one the red dot is one is 0.1

find the cost of 10 pens at x pence each

Answers

Answer:

D. x + 10 pence

Step-by-step explanation:

Since the pen costs 10 pence more than the ruler, we need to add 10 to x.

I need help 20 points

Answers

Answer:

[tex]A = 9\pi[/tex]

Step-by-step explanation:

This is basically just 3/4 of a circle, so the area will be:

[tex]A = \frac{3}{4} \pi r^{2}[/tex]

Plug in 6 for the radius:

[tex]A = \frac{3}{4} \pi (6)^{2}[/tex]

Simplify:

[tex]A = \frac{3}{4} \pi (36)[/tex]

Simplify further:

[tex]A = 9\pi[/tex]

Answer: 84.825

Step-by-step explanation:

area of circle = pi r squared.

radius is 6. plug in numbers for area.

the whole circle is 113.1 x 3/4 is 84.825

2) A box contains 9 red and 2 blue marbles and 3 yellow marbles. If you select oneat
random from the box, determine:
a) The probability the marble is red.
b) The odds in favor of selecting a red marble.
c) The probability the marble is blue.
d) The odds against selectinp a hlue marble

Answers

Answer:

red is more in value unlike the rest

will give brainliest look at pitcure

Answers

Answer:

x = 90°

Step-by-step explanation:

From the meaning of figure

30² + 2x° + (2x - 30)° = 360°

4x° = 360°

x = 90°

HOPE THIS HELPS AND HAVE A NICE DAY <3

i need helpp ..

I'm stuck here just to suffer

this is not my exam

just help mee

Answers

There are 60 cubic units in the provided three-dimensional figure, and the units are mm³, cm³, and m³.

What is volume?

It is defined as a three-dimensional space enclosed by an object or thing.

We have a three-dimensional shape shown in the picture with dimensions.

The total cubic units = 4×3×5 = 60 cubic cm

We can measure the volume with units of mm³, cm³, m³, km³

We can draw a relation between them:

mm³<cm³ <m³< km³

For the first picture, the unit mm³ would be best for measuring the volume.

For the second picture, the unit cm³ would be best for measuring the volume.

For the third picture, the unit m³ would be best for measuring the volume.

Thus, there are 60 cubic units in the provided three-dimensional figure, and the units are mm³, cm³, and m³.

Learn more about the volume here:

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caleb is choosing a bank from the two banks below in an average month he writes 12 checks use his debit card 10 times and uses the atm six times how much caleb send on his monthly bank fees at state bank six times

Answers

Based on the number of times that Caleb writes checks, uses his debit card, and uses the ATM, his monthly bank fees are $11 and $15.70 at NeoBank and Arbor Bank respectively.

What are Caleb's bank fees?

The question is incomplete so I will use a similar question to answer it.

Caleb's fees at Neobank would be:

= (12 checks x 0 per check) + (10 debt card uses x 0 per use) + (6 ATM uses x 1 per use) + 5 Monthly fee

= 0 + 0 + 6 + 5

= $11

Caleb's fees at Arbor Bank:

= (12 checks x 0.10 per check) + (10 debt card uses x 0.25 per use) + (6 ATM uses x 2 per use) + 0 Monthly fee

= $15.70

Find out more on bank fees at https://brainly.com/question/25160447.

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