#6 is 210

Step-by-step explanation:

Just rememder that the circles are 360 degrees

What are the equivalent ratios of 5/8

**Answer:**

60/96

**Step-by-step explanation:**

**Answer:**

10:16 or 2.5:4

**Step-by-step explanation:**

sorry if i am wrong

Two terms of an arithmetic sequence are $a_{12}=70$a12=70 and A sub 30 is equal to 124$a_{30}=124$a30=124 . Write an explicit rule for the n$n$n th term

**Answer:**

**Step-by-step explanation:**

The formula for finding the nth term of an arithmetic sequence is expressed as shown;

[tex]Tn = a+(n-1)d[/tex]

a is the first term of the sequence

n is the number of terms

d is the common difference

If T₁₂ = 70 and T₃₀ = 124

T₁₂ = a+(12-1)d = 70

T₁₂ = a+11d = 70... (1)

Similarly;

T₃₀ = a + (30-1)d = 124

T₃₀ = a +29d = 124...(2)

**Solving equation 1 and 2 simultaneously to get a and d.**

Subtracting 2 from 1 we have;

29d - 11d = 124-70

18d = 54

d = 54/18

d = 3

Substituting d = 3 into equation 1 to get a we have;

a + 11(3) = 70

a + 33 = 70

a = 70-33

a = 37

The explicit rule for the nth term of the sequence can be gotten by substituting the value of a and d into the formula Tn = a+(n-1)d

Tn = 37+(n-1)*3

Tn = 37+3n-3

**Tn = 34+3n**

Which of the following equations will yield the surface area of cylinder?

**Answer: **[tex]A=2\pi rh+2\pi r^2[/tex]

**The guy on the top is rite. ☻♥**

Caleb’s puppy weighs 2,250 grams. If the puppy weighed 600 grams at his last visit to the veterinarian’s office, what is the percent increase in the puppy’s weight rounded to the nearest whole number? Enter your answer in the box.

**Answer:**

[tex]73\%[/tex]

**Step-by-step explanation:**

Given: Present weight of Caleb’s puppy = 2,250 grams

Puppy weighed 600 grams at his last visit to the veterinarian’s office.

To find: percent increase in the puppy’s weight rounded to the nearest whole number

Solution:

Increase in puppy's weight = 2250 - 600 = 1650 grams

Percent increase in the puppy’s weight =( Increase in puppy's weight/Present weight of Caleb’s puppy) × 100 = [tex]\frac{1650}{2250}(100)=73.33 \%[/tex]

[tex]73.33\%[/tex] is rounded to [tex]73\%[/tex]

A farmer sells 6.8 kilograms of apples and pears at the farmer's market. 2 5 of this weight is apples, and the rest is pears. How many kilograms of pears did she sell at the farmer's market?

**Answer:**

weight of pears sold = 4.08 kg

**Step-by-step explanation:**

total weight of apples and pears = 6.8 kg

2/5 of this weight = apples

this means that if the total weight (6.8 kg) were divided into 5 parts, apples take 2 out of the 5 parts:

∴ weight of apples = 2/5 of total weight

weight of apples 2/5 × 6.8 = 2.72 kg

Therefore apples weigh a total of 2.72 kg

Therefore, since weight of apples + weight of pears = 6.8 kg

2.72 + weight of pears = 6.8

weight of pears = 6.8 - 2.72 = 4.08 kg

Elimination method using multiplication

1. x+3y=6 and x+2y=5

2. 3x-y=2 and x+2y=3

3. 4x X 5y=6 and 6x-7y=-20

4. 4x+2y=8 and 16x-y=14

**Answer:**

1. x=3, y=1

2. x=1, y= 1

3.( i dont know what the first expression means, are you multiplying 4x and 5y or adding it?)

4. x=1 , y=2

**Step-by-step explanation:**

This is simple simultaneous equations. You need to eliminate one element in each of the two equations, either y or x and the calculate for the other value.

please help i will mark brainly !

**Answer:**

1 hour and 20 minutes

**Step-by-step explanation:**

**Answer:**

Total time taken by Natalie to reach the airport is **1**** ****hour**** **and **2****0**** **minutes

Two less than four times a number is less than thirty. Which inequality can be used to find the solution?

**Answer:**

(4×n)-2<30

**Step-by-step explanation:**

4xn is 4 times a number

two less= -2

LESS THAN 30, is <

The inequality used to find the solution of the given statement is 4x - 2 < 30 to get the **solution **as x < 8.

Linear inequalities are defined as those **expressions **which are connected by inequality signs like >, <, ≤, ≥ and ≠ and the value of the exponent of the variable is 1.

Given statement is that two **less **than four times a number is less than thirty.

Let the unknown number be x.

Four **times **a number is 4x.

Two less than four times a number is 4x - 2.

Two less than four times a number is less than thirty is 4x - 2 < 30.

4x - 2 < 30

**Adding **both sides with 2,

4x < 32

**Dividing **both sides by 4,

x < 8

Hence the required solution can be found by solving the inequality 4x - 2 < 30 and the solution is x < 8.

To learn more about **Linear Inequalities**, click on the link :

https://brainly.com/question/11897796

#SPJ2

An art class offered painting classes on 22 out of 3” days in September. What decimal is equivalent to the fraction of days in September that classes were offered?

**Answer:**

0.73

**Step-by-step explanation:**

Given: Painting classes were offered on 22 out of 30 days in September.

To find: decimal that is equivalent to the fraction of days in September that classes were offered

Solution:

Total number of days in September = 30

Number of days when painting classes were offered = 22

So,

fraction of days in September when classes were offered = [tex]\frac{22}{30}=\frac{11}{15}[/tex]

Therefore,

decimal equivalent to the fraction of days in September when classes were offered = 0.73

What is the slope of the line graphed in the picture

**Answer:**

-1

**Step-by-step explanation:**

Take the two points

(-2,4) and (4,-2)

And we can find the slope

m = (y2-y1)/(x2-x1)

= (-2-4)/( 4 - -2)

=(-2-4)/(4+2)

= -6/6

= -1

Junior is using estimating to Find the product of 6752x36 by rounding 6752 to the nearest thousands and 36 to the nearest tens what estimate does junior make

**Answer:**

7000*40=280000

**Step-by-step explanation:6752 rounded to nearest thousands is 7000 and 36 rounded is 40**

**Answer:**

280,000

**Step-by-step explanation:**

Find all roots of y=x^3-64

**Answer:**

x = -4i and x = 4i, also x = 4

**Step-by-step explanation:**

Rewrite y = x^3-64 as y = x^3 - 64. This can again be rewritten, this time as:

y = (x - 4)(x^2 + 16).

Setting this = to 0, we get x - 4 = 0, whose corresponding root is x = 4, and

x^2 + 16), which has two unequal, imaginary roots: x = -4i and x = 4i.

What is the value of x in the equation 3-2x=-1.5x?

оооо

-6

**Answer:**

x=6

**Step-by-step explanation:**

Isolate the variable by dividing each side by factors that don't contain the variable.

**Answer:**

x = 6

**Step-by-step explanation:**

In this equation, we are told to solve for the value of x. Thus, we must isolate the variable x (poor x... we're always trying to isolate it).

3 - 2x = -1.5x

(I'm going to swap sides to make it easier for me to solve. This doesn't change anything mathematically due to the associative laws. It's purely cosmetic.)

-1.5x = 3 - 2x

First, we can add 2x to both sides of the equation to get all algebraic expressions containing the variable x on one side of the equation alone.

0.5x = 3

For our next part here, let's convert 0.5 to a fraction to make life easier for us.

[tex]\frac{1}{2}[/tex]x = 3

When isolating x in this, we are trying to get rid of 1/2. How can we do this? We can multiply is by 2!

[tex]\frac{1}{2}[/tex]x · [tex]\frac{2}{1}[/tex] = 1x (or simply x)

What we do to one side we must do to another.

x = 3 · 2

x = 6

Our answer is x = 6. Woo!

PLEASE HELP !!! ASAP

11.88x=172.26

11.88x/11.88=172.26/11.88

X=14.5

To the nearest tenth

X=15

She has to work 15 hours to pay for the new scooter

11.88x/11.88=172.26/11.88

X=14.5

To the nearest tenth

X=15

She has to work 15 hours to pay for the new scooter

round to the nearest tenth 19.95

**Answer:**

20

**Step-by-step explanation:**

u have to look at the 9 after the decimal and if it is 5 or above then it goes up

**Answer:**

20

**Step-by-step explanation:**

the 9 would move the 19 up to a 20. Hope that this helps you and have a great day :)

The measure of an angle is seventy-one times the measure of its supplementary angle. What is the measure of each angle?

**Answer:**

The measures are 2.5 deg and 177.5 deg.

**Step-by-step explanation:**

The ratio of the measures of larger angle to the smaller angle is 71:1.

71k + k = 180

72k = 180

k = 180/72

k = 2.5

71k = 71 * 2.5 = 177.5

Answer: The measures are 2.5 deg and 177.5 deg.

Gavin owes the bank $63,000. After 10 years, Gavin owes $93,255. Gavin knows the debt grows with an interest rate that compounds once every year. What is the rate of interest (as a percentage)?

**Answer:**

1,616.60

we know that

The compound interest formula is equal to

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

substitute in the formula above

**Step-by-step explanation:**

This one and 1 more !!!

**Answer: 30!**

**Step-by-step explanation: add carter’s, lucas’, davi’s, alice’s numbers. ( equaling 25).. add 5 since it turns to 30, 30 dived by 5 is 6.**

The drama club is showing a video of their recent play. The first showing begins at 4:35 p.M. The second showing is scheduled at 7:15 with a 1/2 hour break between the showing.

The video is an hour and ten minutes long.

**Answer:**

an hour and ten minutes long.

**Step-by-step explanation:**

Fifty-five percent of doctors at a hospital have prescribed a particular medication. A simulation with 200 random samples of 50 doctors each is shown. Describe how the sample percentages vary.

Answer:

- Mean of sampling distribution = 55%

- Standard deviation of the sampling distribution = 7%

- 68% of the distribution (about 136 of the 200 samples have sample proportions that) lie within 1 standard deviation of the mean, that is, within (55% ± 7%) = (48%, 62%).

- 95% of the distribution (about 190 of the 200 samples have sample proportions that) lie within 2 standard deviations of the mean, that is, within (55% ± 14%) = (41%, 69%).

- 99.7% of the distribution (almost all of the 200 samples have sample proportions that) lie within 3 standard deviations of the mean that is, within (55% ± 21%) = (34%, 76%).

Step-by-step explanation:

Population proportion = 55% = 0.55

Mean proportion of the sampling distribution too = 0.55

For a binomial distribution to approximate a normal distribution,

np ≥ 10

n(1-p) ≥ 10

np(1-p) ≥ 10

Note that n = sample size

p = proportion of medical doctors at the hospital that have prescribed a particular medication.

np = 50 × 0.55 = 27.5 ≥ 10

n(1-p) = 50×0.45 = 22.5 ≥ 10

np(1-p) = 50×0.55×0.45 = 12.375 ≥ 10

Hence, this sampling distribution is approximately normal.

Standard deviation of the sampling distribution is given as

σₓ = √[p(1-p)/n] = √[0.55×0.45/50] = 0.0703562364 = 0.0704 = 7.04% ≈ 7%

The empirical law for normal distributions explains that 68% of the distribution (about 136 of the 200 samples have sample proportions that) lie within 1 standard deviation of the mean, that is, within (55% ± 7%) = (48%, 62%).

95% of the distribution (about 190 of the 200 samples have sample proportions that) lie within 2 standard deviations of the mean, that is, within (55% ± 14%) = (41%, 69%).

99.7% of the distribution (almost all of the 200 samples have sample proportions that) lie within 3 standard deviations of the mean that is, within (55% ± 21%) = (34%, 76%).

Hope this Helps!!!

**Answer:**

Its correct I took the test!

**Step-by-step explanation:**

!!

help me pls working on quizizz :(

here your answer mate

3.25

hope it helps ☺️✌️

**Answer:**

3.25

**Step-by-step explanation:**

16/13 = 4/r

16 × r = 13 × 4

16r = 52

r = 52/16 = **3.25**

Given the following functions, find the indicated values.

Answer: Please provide an image of what you are talking about so that we can help you more.

3x0? plz halp... I don't understant

**Answer: 0 ok**

**Step-by-step explanation: please I want to be brainliest**

He base of a pentagonal prism has an area of 2.4 m2. The prism has a volume of 4.8 m3. What is its height? Use sketches, formulas and/or charts to justify your answer

Answer:

The height of the prism is 2m

Step-by-step explanation:

Given;

The volume of pentagonal prism, V = 4.8 m^3

Area of the prism, A = 2.4 m^2

To determine the height of the prism, we consider the following;

Volume of any prism = Area of the prism x height of the prism

Height of the prism = volume of the prism / Area of the prism

Height of the prism = 4.8 / 2.4

Height of the prism = 2 m

Therefore, the height of the prism is 2m

I need help please help

**Answer:**

a) 60 times

b) 0.24

c) 150 times

**Step-by-step explanation:**

I need help with this question

2(y – 3) = 1.2 – y

Solve and explain

2.5??????????????????

**Answer:**

y ≈ 2.4

**Step-by-step explanation: **

Simply the expression. (7x^2y^3)^4

**Answer:**

2401x^8y^12

**Step-by-step explanation:**

You raise 7 to the 4th power which means you multiply 7 four times. Then you multiply the exponents of 2 variables by 4.

So the slope of this question is 1, does that mean I leave it as 1 or change it to 0?

**Answer:**

Keep it as 1.

**Step-by-step explanation:**

If it is 0 then there is no slope.

The owner of a car wash combines x gallons of a 2% liquid soap and 98% water mix with y gallons of a 7% liquid soap and 93% water mix to make 500 gallons of a 5% liquid soap and 95% water mix. Write a system of linear equations that represent the situation.

X(2+98) + y(7+93)= 500(5+95)

Not sure if it’s right or not!!!

Not sure if it’s right or not!!!

Urgent please solve quickly please!

Solve the system of linear equations by substitution

-x+y=7

6x-y=-7

Answer: x = 0, y = 7

-x+y=7

add x to both sides

y=x+7

plug this in for y in the other equation

6x-(x+7)=-7

simplify

6x-x-7=-7

simplify

5x-7=-7

add 7 to both sides

5x=0

divide both sides by 5

x=0

plug in to one of the equations to find y

-(0)+y=7

y=7

Therefore, x=0 and y=7.

Hope this helps!

**Answer:**

x = 0. y = 7. (0,7)

**Step-by-step explanation:**

-x+y=7

+x. +x

y = x +7

6x-y= -7

6x - (x + 7) = -7

6x - x - 7 = -7

5x -7 = -7

+ 7. +7

5x = 0

÷5. ÷5

x = 0

-x + y = 7

0 + y = 7

y = 7

How are "The Red-Headed League" and "The Adventure of the Blue Carbuncle" different?Select the two correct answers.In the first story, Holmes prevents a crime from occurring; in the second story, Holmes resolves a case in which a crime had already occurred.In the first story, Holmes and Watson solve the case on their own; in the second story, they must rely on the police to help them catch a criminal.From the start, Holmes has many clues to investigate in "The Red-Headed League, but in "The Adventure of the Blue Carbuncle," Holmes has difficulty finding clues.The person guilty of committing a crime is arrested in "The Red-Headed League," but in "The Adventure of the Blue Carbuncle," the criminal remains free.
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i need help i don't understand can someone help me plz :)
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