PLS HELP DUE TODAY I GIVE BRAINLIEST

PLS HELP DUE TODAY I GIVE BRAINLIEST

Answers

Answer 1

Step-by-step explanation:

1.) 5+x=20

20-5=x

15=x

2. 5×x=20

20÷5=4

x=4

3.)5÷20=x

0.25=x

hope this helps


Related Questions

1696700 round to the nearest cent

Pls help

Answers

Answer:can't do that

Step-by-step explanation:

Find the variables
a/k+b=c/k find k

Answers

Answer:

[tex]k=-\frac{a}{b}+ \frac{c}{b}[/tex]

Step-by-step explanation:

[tex]\frac{a}{k}+b = \frac{c}{k}\\\frac{a}{k}- \frac{c}{k} = -b\\\frac{1}{k}(a-c)=-b\\a-c=-bk\\k=-\frac{a}{b}+ \frac{c}{b}[/tex]

The Large Counts Condition must be met so that the sampling distribution of a sample proportion is approximately normal. Using appropriate notation, write out the Large Counts Condition for Normality.

Answers

Answer:

np>10 and n(1-p)>10

Step-by-step explanation:

Appropriate notation the Large Counts Condition for Normality is The Large Counts Condition for Normality states that is the number of successes and failures  which should be above the 10 to be assume normality                                    that is here express as n(p)>10 and n(1-p)>10 This is the notation of the Large Counts Condition for Normality.

The Large Counts Condition for Normality: np ≥ 10 and nq ≥ 10.

The Large Counts Condition, also known as the Large Sample Size Condition, is a requirement that must be met to ensure that the sampling distribution of a sample proportion is approximately normal when sampling from a population. This condition is necessary to apply the normal distribution to the sample proportion for various statistical inferences.

Let's denote the following:

- n: The sample size, i.e., the number of observations in the sample.

- p: The population proportion of the characteristic of interest.

- q: The complementary probability to p, such that q = 1 - p.

The Large Counts Condition for Normality states:

np ≥ 10 and nq ≥ 10

In other words, the product of the sample size (n) and the population proportion (p) must be greater than or equal to 10, and the product of the sample size (n) and the complementary probability (q) must also be greater than or equal to 10.

When both of these conditions are satisfied, the sampling distribution of the sample proportion can be approximated by a normal distribution. This approximation is useful for constructing confidence intervals and performing hypothesis tests related to proportions.

To know more about Large Counts, refer here:

https://brainly.com/question/30984845

#SPJ6

Nick opens a savings account with $50. Each week after, he deposits $15. In how many weeks will he have saved at least $500?

Answers

Answer:

30 weeks

Step-by-step explanation:

$450÷$5=30

He already had $50 in there

Answer:

30 Weeks

Step-by-step explanation:

Since we need to reach a total of 500, we have 50, so we need 450 to get 500, 15 a week, 30 times 15 equals 450. So (30 Weeks) times (15 Each Week) equals 450 plus that 50 he added in the savings account.

25: Find the value of 9v+9 given that -7v-4=3
Simplify

Answers

Answer:

9v + 9 = 0

Step-by-step explanation:

9 (-1) + 9 = 0

Hi does anyone know the answer?

Answers

Answer:

The correct equation is actually: y=10x+10.

Jaiden calculated the slope of the line incorrectly, as the y-axis increases by 10, not 2. The correct slope of the line is 20/2, which is equal to 10.

Hope this helps!

BRAINLIEST PLS HELP!!!

Answers

the answer is a......

I kinda need help with this

Answers

Answer:

7.

Step-by-step explanation:

What you can do to figure it out is divide 35 by all the answers. If it comes out even that's the answer. 35/7 = 35

hope this helps, good luck :)

please help me

One of the angles in a triangle measures 90 degrees. Name three possibilities for the measures of the remaining two angles. ​

Answers

45 degrees and 45 degrees
<45 and >45
>45 and <45

Please answer these last four questions.

Answers

Answer:

numbwer 8 is 44.04

Step-by-step explanation:

plz put brainliest

Jenny invests £8500 for 3 years in a savings account. She gets 2.3% per year simple interest. (this is where you calculate the profit for ONE year and just add it on... NOT compound interest) How much money will Jenny have in her savings account at the end of 3 years?

Answers

Answer:

£9095

Step-by-step explanation:

Given data

P=£8500

T= 3 years

R= 2.3%

The compound interest formula is

A= P(1+r)^t

substitute

A=8500(1+0.023)^3

A=8500(1.023)^3

A=8500*1.07

A=£9095

Hence the savings after 3 years is £9095

Write the equation of a line that is parallel to the line y=4x+2 and passes through the point (4,1)

Answers

Answer:

y = 4x-13

Step-by-step explanation:

The standard equation of the line is y = mx+c

m is the slope

c is the intercept

Given the equation y = 4x+2

The slope m = 4

Substitute m = 4  and the given point into the formula y = mx+c

1 = 4(4)+c

1 = 14+c

c = -13

Get the equation

Recall that y = mx+c

y = 4x + (-13)

y = 4x-13

Hence the required equation is y = 4x-13

please help it’s due today !

Answers

Answer:

x = -7

Step-by-step explanation:

-7(?)=49

negative times a negative is a positive

7×7=49

-7×-7=49

Ivan and Tanya share £150 in the ratio 4: 1
Work out how much more Ivan gets compared to Tanya.​

Answers

Answer:

Ivan got £90 more than Tanya.

Step-by-step explanation:

Ivan and Tanya share the amount £150 in the ratio of 4 : 1

Amount received by Ivan = [tex]150\times \frac{4}{(4+1)}[/tex]

                                          = [tex]150\times \frac{4}{5}[/tex]

                                          = £120

Similarly, amount received by Tanya = [tex]150\times \frac{1}{(4+1)}[/tex]

                                                             = £30

Difference in their amounts = 120 - 30

                                              = £90

Therefore, Ivan got £90 more than Tanya.                                                                                                        

Anthony's little brother gets on a carousel that is 8 meters in diameter. At the start of the ride, his brother is 3 meters from the fence to the ride. How far will his brother be from the fence after the carousel rotates 240°?

Answers

Answer:

9 m

Step-by-step explanation:

Given that:

Carousel diameter = 8m

Radius of carousel = 8m / 2 = 4m

From the attached picture :

xo = d ; from the diagram attached ;

Using Pythagoras :

Cosθ = Adjacent / hypotenus

Cos 60 = d / 4

0.5*4 = d

d = 2

d = 2m

d + length of Radius + initial distance from fence

2m + 4m + 3m = 9m

Jackson practices piano four times a week he practices for 40 minutes each time how many minutes does Jackson practice until weeks

Answers

Answer:

160 min or 2.66666667 hours per a week

Step-by-step explanation:

its very simple

40*4=160

hope I helped :)

help plz i’ll give extra points

Answers

Answer:

Plot a point at the y-intercept.

Step-by-step explanation:

You start by plotting the y-intercept because you'll already have the value when you substitute x as 0 in the expression.

y = 0.5(0) -4

y = -4

hey! please help on this question i'll give brainliest <333 .

Answers

Answer:

C, the third choice

Step-by-step explanation:

HELP ME PLEASE!!!!ITS DUE TODAY!!

Answers

Answer:

234

Step-by-step explanation:

1950 x 0.88 = 1716 paid

1950-1716 = 234

The ratio of boys to girls in a class is 2 to 3. There are 10 boys in the class. How many girls are there? Be sure to show your work.

Answers

Answer:

15 girls

Step-by-step explanation:

Well, the ratio of 2/3, boys to girls. So, you would then try to find an (almost) common denominator, so 2/3 is equivalent to 10/15. In this case, there would be 15 girls

Lol hope this helps

Which property is used in the problem below?

2(x+4)=2x+8

Answers

Answer:

You would use the distributive property.

Step-by-step explanation:

2(x+4) = 2x+8

2x+8x = 2x+8

10x = 2x+8

10x - 2x = 2x-2x+8

8x = 8

8x/8 = 8/8

x = 1

What is the circumference of this circle?

Answers

Answer:

37.68

Step-by-step explanation:

[tex]c = 2 \times 6 \times 3.14 = 37.68[/tex]

The correct answer should be 18.84. To get to this answer you need to multiply 6 by pi (3.14).

Help i need to finish it today And can you explain the steps so i wont need help next time or if you don’t want to its okay :)

Answers

Answer:

110 feet

Step-by-step explanation:

The formula to find the area of a rectangular prism is A = 2 (wl + hl + hw)

Substitute the values:

A = 2 (5x5 + 3x5 + 3x5)

A = 2 (25 + 15 + 15)

A = 2 (25 + 15 + 15)

A = 2 (55)

A = 110

How many times bigger is a group of 21 marbles than a group of 7 marbles?

Answers

Answer:

21/7=3

3 times bigger.

Step-by-step explanation:

Find C and a so that f(x) = CaX models the situation described. State what the variable x represents in your formula. In 2000 a house was worth $220,000, and its value decreases by 11% each year thereafter. please help im failing ​

Answers

Answer:

f(x) = Ca^x

x = years since 2000.

f(0) = 220000 = Ca^0 = C

f(x) = 220000a^x

f(1) = 220000(1-0.11) = 220000a^1

a = 0.89

f(x) = 220000(0.89)^x

So each year reduces by 89%

I need help I’m very confused please someone help me out

Answers

Answer:

that one

Step-by-step explanation:

im very smart and I have a masters degree in computer engineering

i need help with thisss

Answers

Answer:

width= 223.9 ft

Step-by-step explanation:

perimeter=2(l+w)

948.2=2(250.2+w)

948.2=500.4+2w

948.2-500.4=2w

447.8=2w

w=447.8/2

  =223.9 ft

¿conjunto de fuerzas aplicado sobre un objeto de manera que la linea de accion de todas las fuerzas convergan en un mismo punto?, ¿ cual es el conjunto de esas fuerzas? ​. agradecería mucho si lo contestan porfis uwu

Answers

Answer:

Fuerzas Convergentes

Fuerza Resultante

3. Solve for x. Round to the nearest tenth *
25
16
22

Answers

Answer:

51.3 degrees

Step-by-step explanation:

Round 64.291666666667 And I will give u the Brainliest

Answers

Answer: 64.3

Step-by-step explanation:

It depends what decimal place you want and how accurate you want to be.

64.3

64.292

64.0

Are all acceptable

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