**Answer:**

[tex]\huge\boxed{x=15;\ y=4}[/tex]

**Step-by-step explanation:**

Proportion:

[tex]\dfrac{x}{18}=\dfrac{5}{6}\qquad|\text{cross multiply}\\\\(x)(6)=(18)(5)\\\\6x=90\qquad|\text{divide both sides by 6}\\\\\huge\boxed{x=15}[/tex]

[tex]\dfrac{y}{5}=\dfrac{12}{x}[/tex]

substitute x = 15:

[tex]\dfrac{y}{5}=\dfrac{12:3}{15:3}\\\\\dfrac{y}{5}=\dfrac{4}{5}\qquad|\text{cross multiply}\\\\(y)(5)=(5)(4)\\\\5y=20\qquad|\text{divide both sides by 5}\\\\\huge\boxed{y=4}[/tex]

Which expression is equivalent to (3 the square root of 2^5)^1/4

A- 2 5/12

B- 2 12/5

C- 2 2/20

D- 2 3/4

The answer is D trust me

A college is selling tickets to the annual battle of the bands

competition. On the first day of ticket sales, the college sold 3

student tickets and 5 adult tickets for a total of $70. On the

second day, the college sold 12 student tickets and 12 adults

tickets for a total of $216.

Use elimination to solve the system of linear equations and

determine the price of each student ticket, x, and each adult

ticket, y. Write your answer as an ordered pair (x,y).

**Answer:**

**Step-by-step explanation:**

**Answer:**

(10,8)

**Step-by-step explanation:**

simplify 8x-5-10x+7 GCF

**Answer:**

-2x + 2

**Step-by-step explanation:**

what is 3.98.7 * 29.76+

**Answer:**

- 7% of 3.98...

... is equivalent to multiplying them:

- 7% × 3.98 ≈ - 0.28

(Rounded to a maximum of 2 decimals)

**Step-by-step explanation:**

Determine whether each sequence is geometric. Explain.

256, 128, 64, 32, ...

**Answer:**

Its geometric because each number is being divided by 2.

Jackie runs and dances for 75 minutes every day.

She dances 25 minutes more than she runs.

What is the greatest amount of time she could spend dancing every day,

given she will take a run.

**Answer:**

I think it is 50 because 75-25=50

Find the equation of the line passing through point (-1, -2) and having

slope 1/5. Show work.

**Answer:**

Y=1/5x+ -2

**Step-by-step explanation:**

Hope this helps

What is the mathematical formula of ligma

Who's Joe? I am in dire need of therapy.

9. A box of cereal weighs 600 grams. How much is this weight in pounds?

Explain or show your reasoning. (Note: 1 kilogram = 2.2 pounds)

**Answer:**

1.323 pounds I think I'm not too sure thi sorry

**Answer:**

1.32 pounds

**Step-by-step explanation:**

convert 1kg to 1000g

[tex]1000g = 2.2pounds[/tex]

Find out how many pounds per 100g

[tex]100g = 0.22 \: pounds[/tex]

multiply by 6 to get 600g and multiply right hand side of the equation as well

[tex]600g = 0.22 \times 6[/tex]

[tex]600g = 1.32 \: pounds[/tex]

Which is the equivalent of 0.00000000989 in proper scientific notation?

**Answer:**

9.89×10^-9

**Step-by-step explanation:**

0.000 000 009 89 = **9.89×10^-9**

__

We have introduced spaces in the number to make the digits easier to count. (Some technical publications will write the number with thin spaces for just that reason.) The most-significant digit is in the 9th place to the right of the decimal point, so has a place value of 10^-9.

c-3=6

x+8=18

y-5=4

Please Show your Work For each problem.

**Answer:**

1. 9

2. 10

3. 9

**Step-by-step explanation:**

c-3=6

+3 +3

-----------

c = 9

x+8=18

-8 -8

------------

x = 10

y-5=4

+5 +5

------------

y = 9

hope this helps! :D brainliest would be very, very much appreciated!! <3

The school bus goes 300 miles in 5 hours. What

is the average miles per hour?

**Answer:**

60 average miles per hour.

**Step-by-step explanation:**

300÷5=60

Hope this helps!

Evaluate 3x2 - 2xy + 4y2 for x = -1 and y = -2. .

**Answer:**

**The answer is 12**

**Step-by-step explanation:**

**3x² - 2xy + 4y²**

**Let x = -2**

**y = -1**

**3(-2)² - 2(-2)(-1) + 4(-1)²**

**= 3(4) - 2(2) + 4(1)**

**= 12 - 4 + 4**

**= 12**

Is there a formula for

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

?

**Answer:**

No

**Step-by-step explanation:**

There is no formula

There is no formula

In a class of 50 students, suppose 27 are right-handed, 9 are left-handed, and 14 are ambidextrous. All but 2 of the left-handed are also left-foot dominate. If one student is randomly selected from the class. find the probability of choosing a left-handed student who is right-foot dominate

2/50 = 1/25 i think

1/25 is my answer

1/25 is my answer

A group of pupils calculated their average score for a Mathematics

test. If one of them scored 9 marks more, their average score would

be 81. If one of them scored 3 marks less, their average score would

be 78. How many pupils were there in the group?

**Answer: 4**

**Step-by-step explanation: +9-(-3)=12**

**81-78=3**

**so 12/3=4**

212 + 115 × 6 + 968 HELP ME please!

**Answer:**

1870

**Step-by-step explanation:**

Answer : 1,870

Step - by - step explanation :

When there is multiple math signs in a problem you use PEMDAS . . .

Parentheses, Exponents, Multiplication and Division ( from the left side to right ), Addition and Subtraction ( from the left side to right )

212 + 115 x 6 + 968 --> 212 + 690 + 968

212 + 690 + 968 --> 902 + 968

902 + 968 --> 1,870

When two numbers are multiplied to get product, each number is called a(n)?

1.factor

2.substitute

**Answer:**

Each number is called a factor

**Step-by-step explanation:**

The multiplication of two numbers is equivalent to adding as many copies of one of them

What is the missing addend what +10=235

The missing number is 225

225+10=235

225+10=235

Hogie lizards have tail lengths that are normally distributed with a mean of 22.5 cm and a standard deviation of 3.6 cm. What tail length is at the 40th percentile for these lizards?

A** tail length **of **23.94 cm** is at the** 40th percentile** for these lizards.

The** z score** is used to **determine** by how many **standard deviations** the **raw score** is above or below the **mean**. It is given by:

[tex]z=\frac{x-\mu}{\sigma} \\\\where\ x\ is\ raw\ score, \mu\ is\ mean,\sigma\ is\ standard\ deviation\\\\\\Given\ that:\\\mu=22.5\ cm,\sigma = 3.6\ cm[/tex]

For the **40th percentile**, that is z = 40% = **0.4**:

[tex]0.4=\frac{x-22.5}{3.6} \\\\x=23.94\ cm[/tex]

A** tail length **of **23.94 cm** is at the** 40th percentile** for these lizards.

Find out more at: https://brainly.com/question/15016913

6(2x + 4) = 3(4x + 8)

Please answer this!

**Answer:**

Infinitely many solutions

**Step-by-step explanation:**

6(2x + 4) = 3(4x + 8)

Distribute the 6

6 * 2x = 12x and 6 * 4 = 24

12x + 24 = 3(4x+8)

Distribute the 3

3 * 4x = 12x and 3 * 4 = 24

12x + 24 = 12x + 24

On both sides of the equal sign we have 12x + 24.

When both sides are equal there are infinitely many solutions.

Estimate the quotient. 2,506 / 2

**Answer:**

**1253**

**Step-by-step explanation:**

2500/2 is 1250.

so 2506/2 will be a bit above.

1253 is an estimate

Complete the recursive formula of the arithmetic sequence -15, -11, -7, -3,...−15,−11,−7,−3,...minus, 15, comma, minus, 11, comma, minus, 7, comma, minus, 3, comma, point, point, point. c(1)=c(1)=c, left parenthesis, 1, right parenthesis, equals c(n)=c(n-1)+c(n)=c(n−1)+c, left parenthesis, n, right parenthesis, equals, c, left parenthesis, n, minus, 1, right parenthesis, plus

**Answer:**

c(1) = -15

c(n) = c(n - 1) + 4

Step-by-step explanation:

Given arithmetic sequence is,

-15, -11, -7, -3...........

Common difference between each successive and previous term is,

d = -11 - (-15)

= -11 + 15

= 4

Since recursive formula of the arithmetic sequence is represented by,

a₁ = First term of the sequence

a(n) = a(n - 1) + d

where a(n) is the nth term and a(n-1) is the previous term of the nth term.

Form the given sequence,

c₁ = -15

c(n) = c(n - 1) + 4

**Step-by-step explanation:**

Find the measure of the angle marked and indicated in bold.

**Answer:**

**Step-by-step explanation:**

**parrallel line = gongruent angles**

16x - 7 = 15x

16x - 15x = 7

x = 7

------------------------

7 * 15 = **105° your answer**

--------------------------------

16 * 7 - 7 = 15 * 7

105 = 105

the answer is good

Derivative of tan^2 x

**Answer:**

[tex]2sec^2xtanx[/tex]

**Step-by-step explanation:**

[tex]\frac{d}{dx} tan^2x[/tex]

[tex]\frac{d}{dx} tanxtanx[/tex]

[tex](\frac{d}{dx}tanx)(tanx)+(tanx)(\frac{d}{dx}tanx)[/tex]

[tex]\frac{d}{dx}tanx=\frac{d}{dx}\frac{sinx}{cosx}=\frac{(cosx)(cosx)-(sinx)(-sinx)}{(cosx)^2}=\frac{cos^2x+sin^2x}{cos^2x}=\frac{1}{cos^2x}=sec^2x[/tex]

[tex](sec^2x)(tanx)+(tanx)(sec^2x)[/tex]

[tex]2sec^2xtanx[/tex]

Helpful tips:

Product Rule: [tex]\frac{d}{dx}f(x)g(x)=f'(x)g(x)+f(x)g'(x)=\frac{d}{dx}f(x)*g(x)+f(x)*\frac{d}{dx}g(x)[/tex]

Quotient Rule: [tex]\frac{d}{dx}\frac{f(x)}{g(x)}=\frac{g(x)f'(x)-f(x)g'(x)}{(g(x))^2}=\frac{g(x)\frac{d}{dx}f(x)-f(x)\frac{d}{dx}g(x)}{(g(x))^2}[/tex]

Pythagorean Identity: [tex]cos^2x+sin^2x=1[/tex]

A part-time handyman made $8798.04 last year. If he claimed himself as an

exemption for $3650 and had a $5700 standard deduction, what was his

taxable income last year?

**Answer: HIs income was $6744.04**

**Step-by-step explanation: 8798.04 + 3650 - 5700 = 6744.04 Hope this helps!**

The **taxable income **last year is $552.

The **interest **that is calculated using both the **principal **and the **interest **that has **accrued **during the previous period is called compound interest. It from simdiffers ple interest in that the principal is not taken into account when determining the interest for the subsequent period with simple interest.

We have,

Last year, a part-time housekeeper earned $8798.

He claimed he was exempt, **costing **$365.

$570.00 is the **standard deduction**.

Gross **income** **less **the standard deduction and all **exemptions **equals taxable income.

= 8798 - 3650 - 5700

= $-552

The **negative **sign indicates that he owes **no taxes**.

learn more about** compound interest **here:

brainly.com/question/28020457

#SPJ7

What is 26% as a fraction in simplest form?

A. 26/100

B. 26/10

C. 6/25

D. 13/50

**Answer:**

it'd be d: 13/50 !!

**Answer:**

D. 13/50

**Step-by-step explanation:**

0.26 ⇔ 26/100 ⇔ 13/50

A video game is on sale for 30% off the

regular price of $50. What is the sale

price of the video game

A.$20

B.$30

C.$33

D.$35

**Answer:**

d! 35 ......!!!!!!!!!!!!

what is the equivalent factor of 21 +99

**Answer:**

3(7+33)

**Step-by-step explanation:**

due in 1 hour please help

**Answer:**

1 2 3 4 = 123.23

**Step-by-step explanation:**

a new planet is discovered that has twice the earths mass and twice the earths radius. on the surface of this new planet, a person who weighs 500 n on earth would experience a gravitational force of
HELP.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. IVE FALLEN AND I CANT GET UP!!!!
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