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Mathematics College

(No links :>)
Please answer the picture below. Tysm ^^

Answers

Answer 1

Answer:

1 and 3

Step-by-step explanation:

if you solve

5(a+4) it equals

5a +20

Answer 2

Answer:

1 and 3

Step-by-step explanation:

1. 5(a+4) Distribute = 5a+5*4 = 5a +20

2. 5a+4

3. 5a+20

4 5*a*4 = 20a

The two that are equal are 1 and 3

Related Questions

Mixed Applications: Choose the best strategy

Choose any of the following strategies to solve the problems. Identify the strategy you used in each problem.

Use a formula

Draw a Diagram

Write a Number Sentence

Guess & Check

Answers

Where is the problem

Pleas hlp am going to fail here are the options

Answers

I think it is b hope it helps

Answer:

10+2b

Step-by-step explanation:

do 2(b+3)

2xb + 2x3

2b+6

4+(2b+6)

10+2b

hope that helped

solve the system:
3x-2y=1 2x+5y=3
a.) x=1, y=1
b.)x=-1,y=-1
c.)x=11/19, y= 7/19
d.)x=-19/2,y=22/5
e.)x=17/3, y=8

Answers

The answer is C) x=11/19, y=7/19

(5x + 10) + (2x -3) =

Answers

x = -1 :)

First simplify. Then do
7x + 7 =
7x = -7
x = -1

Answer:

7x + 7

Step-by-step explanation:

Let f(x)=-2x+6 and g(x)=10x-8

[tex]\frac{f}{g} (-3)[/tex]

Answers

Answer:

f(10x-8)=-20x+22

f(g(x))

possibly

g(-2x+6)=-20x+52

g(f(x))

If needing a different answer math-way can possibly help you as it helped me.

can someone help me solve for x and show the work please

Answers

Answer:

D. -10

Step-by-step explanation:

The sum of a triangle = 180°, therefore,

64° + 63° + x + 63 = 180°

Add like terms

x + 190° = 180°

Subtract 190 from each side

x + 190 - 190 = 180 - 190

x = -10

Write 0.59 as a fraction in simplest form.
A
59
1000
O
B
100
59
c
59
100
D. 59
10
HURRY

Answers

Answer:

C. 59/100

Step-by-step explanation:

help! Is this correct? If not can i please have a correction?

Answers

The answers are correct, however in the first box it should be 22y instead of just 22. Same with the 6 it should be 6x.

Which expressions listed on the left are equivalent to √36a^8/225a^2? Check all that apply. (Assume that a ≠ 0.)

Answers

Answer: ABE

Step-by-step explanation:

Answer: a b e

Step-by-step explanation:

Can someone please help me I will mark u brilliant

Answers

Answer:

Step-by-step explanation:

Answer: 8

Step-by-step explanation:

First, all the times are 5, 5, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 9, 10. Second, you put them in ordet, but that’s already done. Then the median is the middle. The number in the middle is 8.

Help please I need it right now thanks

Answers

Answer:

The number of data values between the lower quartile and the median is less than the number of data values between the upper quartile and the median.

Step-by-step explanation:

Combine like terms to create an expression equivalent to: n +n + n + y + y

Answers

Answer:

[tex]3n+2y[/tex]

Step-by-step explanation:

LIKE TERMS: TERMS WHOSE VARIABLES AND EXPONENTS ARE THE SAME.

[tex](1)n+(1)n+(1)n+(1)y+(1)y[/tex]

When combining variables that do not have coefficients, there is always an invisible '1' in front of the variable.

[tex](1)n+(1)n+(1)n = 3n.[/tex]

[tex](1)y+(1)y=2y.[/tex]

[tex]3n+2y.[/tex]

What is the measure of angle x?

Enter your answer in the box.

Answers

Answer:

x = 48º

Step-by-step explanation:

x = 90 -42

x = 48º

Help within 10 min pleeeeeeeeeease

Answers

The answer should be 75

Answer:

Step-by-step explanation:

The product of 8 and the sum of a number m and 2 is 16

Answers

Step-by-step explanation:

8(m + 2)= 16

8m + 16 = 16

8m = 0

m = 0

There is an image below. Is ThIs CoRrEcT? If it's wrong, what is it?

Answers

y-axis
quadrant 2
quadrant 3

NEED ANSWERS FAST!!!! If there are 100 students in a room and 40 of them are boys, how many are girls?

Answers

Answer:

Step-by-step explanation:

100 - 40 = 60

Common Math

60 girls ( 100 students total - minus the 40 boys, leaves 60 students remaining who must be girls)

Many fast-food restaurants have soft drink dispensers with preset amounts, so that when the operator merely pushes a button for the desired rink the cup is automatically filled. This method apparently saves time and seems to increase worker productivity. A researcher randomly selects 9 workers from a restaurant with automatic dispensers and 9 works from a restaurant with manual dispensers. At a 1% significance level, use the Mann-Whitney U Test to test whether workers with automatic dispensers are significantly more productive.
Automatic (Group 1): 153, 128, 143, 110, 152, 168, 144, 137, 118
Manual (Group 2): 105, 118, 129, 114, 125, 117, 106, 92, 126
What is the alternative hypothesis for this study?
Worker productivity is higher with automatic dispensers.Automatic dispensers fill cups faster than manual dispensers. Worker productivity is lower with automatic dispensers.There is no difference in worker productivity between restaurants with automatic and manual dispensers.
What rank will be given to the observation value, 118 that is in both the automatic and manual groups? (Round answer to 1 decimal)
When rounding the U test statistic up to the next value, what is the p-value from the Mann Whitney Table of p-values? (Round to 4 decimal places)
What can be concluded from this study at a 1% significance level?
There is no difference in worker productivity between restaurants with automatic and manual dispensers.Worker productivity is higher with automatic dispensers. Automatic dispensers fill cups faster than manual dispensers.Worker productivity is lower with automatic dispensers.

Answers

Answer:

Alternative hypothesis is that Worker productivity is higher with automatic dispensers.

The Rank for Group1 is 115.5 and Group 2 is 55.5.

Conclusion is that Worker productivity is higher with automatic dispensers.

Step-by-step explanation:

The null and alternative hypotheses are

H0: Group1 ≤ Group2 against the claim

Ha: Group1 > Group2

Alternative hypothesis is that Worker productivity is higher with automatic dispensers.

Calculations:

Group1 Group2

Sample Mean x ` 139.22 114.67

Sample size n 9 9

Sample SD 18.21 11.937

Rank 115.5 55.5

U 10.5 70.5

The Rank for Group1 is 115.5 and Group 2 is 55.5.

1. H0 hypothesis

As p-value < alpha and Z lies in the critical region, H0 is rejected.

The randomly selected value of Group1's population is considered have greater productivity than the randomly selected value of Group2's population.

2. P-value

The p-value equals 0.0046.

3. Test statistics

Z= u-μ+c/σ

The critical region for one tailed test for z at 0.01 significance level is

z > 2.33.

The test statistic Z equals 2.6063, which lies in the critical region of acceptance z> 2.326

4. Conclusion

As the calculated test statistic lies in the critical region H0 is rejected and it is concluded that

Worker productivity is higher with automatic dispensers.

A flea is jumping around on a number line

Answers

a is 5 for both
b is -4 for both
c is 3 or -3
d is -7 or 7

HELPPPP MEEEEE ITS 5 GRADE MATH IK HELP ME IM FAILING RN :(((((

Answers

Answer:

i think c

Step-by-step explanation:

Answer:

Gross income for an individual—also known as gross pay when it's on a paycheck—is the individual's total pay from their employer before taxes or other deductions. This includes income from all sources and is not limited to income received in cash; it also includes property or services received.

Net income- In business and accounting, net income is an entity's income minus cost of goods sold, expenses, depreciation and amortization, interest, and taxes for an accounting period.

I think its B

Step-by-step explanation:

Please answer the question correctly with factual information for brainliest.

Answers

Answer:

3 and 4

Step-by-step explanation:

3^3 = 27

4^3 = 64

The answer is c. When you plug in 50 cube rooted you get the value 3.684031. This number is located between 3 and 4, therefore your answer has to be C.

what is y = 3 x + 2 =

Answers

Answer:

y =3x+2

Step-by-step explanation:

11. You earn $500 in 80 hours. At that rate. how much would you eam in 200 hours?

Answers

Answer:

Should be 1250$

Answer:

1250

Step-by-step explanation:

First we divide 500 divide by 80 that will give you 6.25

So then you multiply 6.25 by 80 to get sure then if you are sure, yo will multiply 6.25 by 200 that will give you, 1,250.

how do you add 44÷44?

stu.pid questions

Answers

Answer: You can't unfortunatly. 44 divided by 44 is 1 though

Step-by-step explanation:

Which statement describes -1/11 ?

Answers

Answer:

Step-by-step explanation:

because it ends up being -0.09090909...

Step-by-step explanation:

becous is end o.0909090

Carlos va a comprar un televisor que tiene un costo de c doláres. El impuesto gubernamental
de valor añadido es del 16%. ¿Cuál es la ecuación que MEJOR modela el pago total en
dólares, p, que hará Carlos en está en esta compra? *

Answers

Answer:

Step-by-step explanation:

Regardless of age, about 20% of American adults participate in fitness activities at least twice a week. A random sample of 100 adults over 40 years old found 15 who exercised at least twice a week. Is this evidence of a decline in participation after age 40? Use α = .05. a) Write test hypothesis b) Compute test statistic. c) Apply any method to draw conclusion.

Answers

Answer:

The null hypothesis is [tex]H_0: p = 0.2[/tex]

The alternate hypothesis is [tex]H_a: p < 0.2[/tex]

The p-value of the test is 0.1056 > 0.05, which means that there is not evidence of decline in participation after age 40 using α = 0.05.

Step-by-step explanation:

20% of American adults participate in fitness activities at least twice a week. Test if there is evidence of a decline in participation after age 40.

At the null hypothesis, we test that the proportion is of 0.2, so:

[tex]H_0: p = 0.2[/tex]

At the alternate hypothesis, we test if the proportion is less than 0.2, indicating a decline. So

[tex]H_a: p < 0.2[/tex]

The test statistic is:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, [tex]\sigma[/tex] is the standard deviation and n is the size of the sample.

20% is tested at the null hypothesis:

This means that [tex]\mu = 0.2, \sigma = \sqrt{0.2*0.8}[/tex]

A random sample of 100 adults over 40 years old found 15 who exercised at least twice a week.

This means that [tex]n = 100, X = \frac{15}{100} = 0.15[/tex]

Test statistic:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]z = \frac{0.15 - 0.2}{\frac{\sqrt{0.2*0.8}}{\sqrt{100}}}[/tex]

[tex]z = -1.25[/tex]

P-value of the test:

The p-value of the test is the probability of finding a sample proportion below 0.15, which is the p-value of z = -1.25.

Looking at the z-table, z = -1.25 has a pvalue of 0.1056.

The p-value of the test is 0.1056 > 0.05, which means that there is not evidence of decline in participation after age 40 using α = 0.05.

will give more p0ints if correct

Answers

Answer:

REVENGE

Step-by-step explanation:

Answer:

Answer is im not sure

I am an arc that measures between Oº and 180° WHAT AM I?

Answers

Answer:

a semicircle?

Step-by-step explanation:

Explain in words how you would graph the following inequality on a number line. 3x < 12 HELPPPPPPPPPPP PLSSSSSS

Answers

Answer:

x<4

Step-by-step explanation:

3x < 12

Divide with 3 on each side

x< 4

In words x has all the real numbers that are less than 4 or x belongs to any number from -ve infinity to 4.

The graph of the inequality 3x < 12 on a number line would consist of an open circle at 4, followed by a shaded region to the left of 4 and extending indefinitely in that direction.

What is inequality?

It shows a relationship between two numbers or two expressions.

There are commonly used four inequalities:

Less than = <

Greater than = >

Less than and equal =

Greater than and equal=

We have,

To graph the inequality 3x < 12 on a number line, we can follow these steps:

- Start by isolating x by dividing both sides of the inequality by 3, which gives us x < 4.

- Draw a number line and mark a point at 4, which is the boundary between the values of x that satisfy the inequality and those that don't.

- Since the inequality is strict (i.e., "less than" and not "less than or equal to"), we need to indicate that the point x = 4 is not included in the solution set.

We can do this by making an open circle (or "unfilled dot") at 4 on the number line.

- Shade the portion of the number line to the left of the point x = 4, since these are the values of x that satisfy the inequality 3x < 12.

We can use an arrow pointing to the left to indicate that the shaded region extends indefinitely in that direction.

Thus,

The graph of the inequality 3x < 12 on a number line would consist of an open circle at 4, followed by a shaded region to the left of 4 and extending indefinitely in that direction.

Learn more about inequalities here:

https://brainly.com/question/20383699

#SPJ3

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(No links :>) Please answer the picture below. Tysm ^^

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(No links :>)
Please answer the picture below. Tysm ^^