help me please !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Help Me Please !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer 1

Answer:

B) [tex]-38[/tex]

Step-by-step explanation:

[tex]\frac{4}{(-1.6+3.6)}+\frac{0.8(9+11)}{-0.4}\\\\=\frac{4}{2}+\frac{0.8(20)}{-0.4}\\\\=2+-2(20)\\\\=2-40\\\\=-38[/tex]


Related Questions

What number i am if i am a factor of 70 and i'm between 30 to 40

Answers

Answer:

35............. ...........~

Answer:

35

Step-by-step explanation:

Because 75 only has 8 factors and 35 is the only factor of 70 in the 30's through 40's.

If you want to know the rest they are

1,2,5,7,10,14,35 and 70.

Have a great day :}

There are 18 students on the math team of these 5 are boys give the ratio of boys to girls on the math team in simplest form

Answers

Answer:

The answer is 5/13 or 5:13

Step-by-step explanation:

There are 18 students in total. And among them there are 5 boys. You would do

18-5=13

5 boys

13 girls

Mark Brainliest Please :)

Step-by-step explanation:

First subtract the number of students(18) to the number of boys(5) 18-5=13Then you can your answer in a ratio form of boy to girls the number of 5:13

Sorry if its incorrect

There are 8 boxes of pasta on a shelf. Each serving of pasta is 16 of a box.


How many servings of pasta are there in the boxes on the shelf?

Answers

Answer: 1 1/3 servings of pasta on the shelf.

Step-by-step explanation:

All you need to do is 8*1/6 because if there are 1/6 of a serving of pasta in each box and you have 8 boxes, then you need to multiply to find the number of servings.

8*1/6=1 1/3 or 1.(3)

(3) or any other number in parentheses next to a decimal means it's a repeating decimal, and it never ends.

Answer:

Its 1 1\3

Step-by-step explanation:

How tall is this table?

Answers

Answer:

Table: 105 cm

Step-by-step explanation:

"m" = mouse

"c" = cat

"t" = table

equations:

t + c - m = 120

t - c + m = 90

___________

2t = 210

t = 210/2 = 105

Hope this helps

find the slope of the line passing through (-4, 5) and (-8,-5)

Answers

[tex](\stackrel{x_1}{-4}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{-8}~,~\stackrel{y_2}{-5}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-5}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{-8}-\underset{x_1}{(-4)}}}\implies \cfrac{-10}{-8+4}\implies \cfrac{-10}{-4}\implies \cfrac{5}{2}[/tex]

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

Slope = (-5 - 5) / (-8 - -4)

Slope = -10 / -4

Slope = 10 / 4

Which is the same as 5/2.

What is x?

x/y= 8/y - 1/y

Answers

Answer:

x = 7

Step-by-step explanation:

hope this helps

Answer:

x/y=8/y-1/y-->x/y=8-1 /y -->x/y=7/y-->x×y=y×7-->xy=7y -->x=7y/y-->x=7Answer

In one week, Jenny workers a total of 22 hours at a movie theater and a car wash. Jenny earned $8.50 per hour at the movie theater and $8.00 per hour at the car wash. She earned a total of $181 for the week. How many hours did Jenny work at the car wash.

Answers

Answer:

10 hours

Step-by-step explanation:

12 hours theater = $96.00

10 hours car wash = $85.00

total = 22hours = $181.00

if ac = 8x 14 and ec =2x + 11 solve for x

Answers

Equivalent expressions are expressions that have equal values

The value of x is 25/6

How to calculate the value of x

From the question, the values of ac and ec are equivalent

So, we have:

8x - 14 = 2x + 11

Collect like terms

8x - 2x = 14 + 11

Evaluate the like terms

6x = 25

Divide both sides by 6

x = 25/6

Hence, the value of x is 25/6

Read more about equivalent expressions at:

https://brainly.com/question/2972832


A box of bolts weighs 12.5 kg and the box weighs 400 g, what is the weight of the bolts?

Answers

Answer:

12100 g or 12.1 kg

Step-by-step explanation:

You convert 12.5 kg to grams. Then you subtract what you get (which should be 12500 g) by 400 g.

The total cost of four pens and six mechanical pencils is $16.20. The cost of each pencil is 70 cents. Using an arithmetic approach, find the cost of a pen.​

Answers

Answer:

300 cents or $3

Step-by-step explanation:

Let p be the cost of one pen and m be the cost of one mechanical pencil. We can use this to set up a system of equations:

4p+6m=1620 (convert $16.20 to cents by multiplying it by 100)

m=70

We can solve this using substitution (substitute 70 for m):

4p+6(70)=1620

4p+420=1620

Subtract 420 from both sides

4p=1200

Divide both sides by 4

p=300 cents or $3

Four is equal to half of the sum of a number n and 22. What is the number n ? n = 30 n = 24 n=−14 n=−20.

Answers

Answer:

The answer is n = -14 .

Step-by-step explanation:

4 = 1/2(n + 22)

4 = 1/2n + 11

-7 = 1/2n

-7 / 1/2 = -14 = n

To check your work:

4 = 1/2(-14 + 22)

4 = 1/2(8)

4 = 4

hey can someone help this is due today

Answers

Answer:

Step-by-step explanation:

rectangle

parallelogram

Quadrilateral

Find the sales price of the following item. Choose the correct answer. An oil filter listed at $2. 89, marked down 31% $.

Answers

Answer:

Sales price of the item would be approximately $2.

Step-by-step explanation:

Since we have given that List price of the item = $2.89

Rate of decline = 31%

So, Amount reduced by $0.8959

So, Sales price of the item will be $2

Hence, Sales price of the item would be approximately $2.

please mark brainliest if i got it correct i need 3 more!

Last month$ Samkelo spent 39 hours watching TV and 36 hours playing sport. During the same months, Nkanyezi spent 42 hours watching TV and 36 hours playing sport. Write down the ratios of time spent watching TV to time spent playing sport of each child. (Ratios must be in their simplest form)​

Answers

Answer:

7is to 6

Step-by-step explanation:

u decide number with an common factor

How many ways can four men and four women can be seat in a row such that no two men sit next to each other

Answers

There are 2 ways by which four men and four women can be seated in a row such that no two men sit next to each other.

Organization

To determine in how many ways can four men and four women can be seat in a row such that no two men sit next to each other, the following organizational chart must be made:

M - W - M - W - M - W - M - W = 1W - M - W - M - W - M - W - M = 2Any other mode of organization will assume the presence of two men sitting next to each other.

Therefore, there are 2 ways by which four men and four women can be seated in a row such that no two men sit next to each other.

Learn more about organization in https://brainly.com/question/12825206

What is the ratio of a to b if 2a=4c & 6c=5b​

Answers

Answer:

6a:10b

Step-by-step explanation:

Make both C's equal eachother which we could make 12

4x3=12 and 6x2=12

so we will have to do the same for the other numbers so when 4x3=12 then 2x3=6 and then do the same for 5b where 6x2=12 and 5x2=10

this would make the ratio 6a:12c:10b which would then make the ratio 6a:10b

8.2•10^17 and 4.1•10^12

Answers

Answer:

Step-by-step explanation:

1st one is 820000000000000000, or 8.2e+17

2nd one is 4,100,000,000,000, or 4.1e+12

Which is true regarding Adi’s use of algebra tiles? She used the algebra tiles correctly. She did not represent the two original factors correctly on the headers. The signs on some of the products are incorrect. Some of the products do not show the correct powers of x.

Answers

The correct statement about Adi’s use of algebra tiles is She used the algebra tiles correctly.

Given

Adi used algebra tiles to represent the product

(-2x-2) (2x-1)

Product

The number or expression results from the multiplication together of two or more numbers or expressions.

The correct way to find the product function is;

[tex]\rm =(-2x-2) (2x-1)\\\\=-2x(2x-1)-2(2x-1)\\\\= -4x^2+2x-4x+2\\\\= -4x^2+2x+2[/tex]

Hence, the correct statement about Adi’s use of algebra tiles is She used the algebra tiles correctly.

To know more about the product click the link given below.

brainly.com/question/24593936

Answer:

It's A

Step-by-step explanation:

from the person above me since I know some people do not like reading to get it

Which pay is equivilant to 16$ per hour. PLEASE ANSWER QUICKLY!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

If you make $16 per hour, then your yearly salary would be $31,200.

Step-by-step explanation:

I need help. Only do number 20.

Answers

Answer:

2z-8y

Step-by-step explanation:

There are 10% percent of 50 duckies that have stars if u split the duckies

How many duckies have stars? Please help im so confuse on this :(

Answers

Answer:

2 or 3). ( or there answer could be 5 because the question isn't very clear

Step-by-step explanation:

first you need to figure out 10 percent of 50 which is 5. than the. question says they split the duckies but 5 is not splittable so there would be either 2 or 3.

i si


what is w- z expressed in polar form?
Given wuv5c() + (.) and : ==(--(?) + ()
=(cos1 - +(cosin
o vz(cos() + i sin (4)
o v7(com () + ()
ovi (95) + ()
o r2(com () + i sin (7)
COS
i sin
ST
COS
+ i sin
77
o
+

Answers

Answer:

[tex]w-z=\sqrt{2}\biggr(cos(\frac{3\pi}{4})+isin(\frac{3\pi}{4})\biggr)[/tex]

Step-by-step explanation:

Convert from polar to rectangular

[tex]w=\sqrt{2}(cos(\frac{\pi}{4})+isin(\frac{\pi}{4}))\\\\w=\sqrt{2}(\frac{\sqrt{2}}{2}+\frac{\sqrt{2}}{2}i)\\ \\w=1+i[/tex]

[tex]z=2(cos(\frac{\pi}{2})+isin(\frac{\pi}{2}))\\ \\z=2(0+i)\\\\z=2i[/tex]

Subtract the complex numbers

[tex]w-z=(1+i)-2i=1+i-2i=1-i[/tex]

Convert from rectangular (x,y) to polar (r,θ)

[tex]r=\sqrt{x^2+y^2}\\r=\sqrt{1^2+(-1)^2}\\r=\sqrt{1+1}\\r=\sqrt{2}\\\\\theta=tan^{-1}(\frac{y}{x})\\ \theta=tan^{-1}(\frac{-1}{1})\\ \theta=tan^{-1}(-1)\\\theta=\frac{3\pi}{4}\\ \\w-z=\sqrt{2}\biggr(cos(\frac{3\pi}{4})+isin(\frac{3\pi}{4})\biggr)[/tex]

Pls Pls help me:
An observer on a clifftop 57m high observes a sailing boat at sea. The angle of depression to the shop is 15 degrees. Five minutes later the angle of depression was 25 degrees.
A) Is the boat sailing towards or away from the cliff?
B) Assuming the boat is sailing in a straight line, determine to the nearest meter how far the boat sailed between the two sightings?

Answers

Answer:

Here's the answer.....hope you understand....

A rectangular television screen is 3 feet wide and 2-10 feet long. What is the area of the
screen?

Answers

Answer:

are uh sure your question is correct??

Please help me answer this

Answers

Answer:

B

Step-by-step explanation:

4x - 3y = 9 → (1)

4x + y = 7 → (2)

Rearranging (1) in terms of x or y will involve using fractions, which we want to avoid if possible.

However, using equation (2) avoids introducing fractions.

In (2) subtract 4x from both sides

y = 7 - 4x → (3)

Then substitute y = 7 - 4x into (1) and proceed

Can you help me please?

Answers

Answer:

3 3/5

Step-by-step explanation:

12/5 × 9/6

2/5 × 9

18/5

= 3 3/5

What is the smallest number you can make out of 1 8 4 6

Answers

Answer: 1468

Step-by-step explanation:

smallest to biggest makes the smallest number

thousands place are worth more than hundreds etc.

Miyoko is 13 years old and her father is 53 years old. After how many years will her
father be two times as old as Miyoko?

Answers

Answer:

Miyoko is 40 years younger than her father and Miyoko's father is 40 years older than Miyoko

Step-by-step explanation:

53-13=

40

A smartphone costs $180. Sales tax is 6%. What is the total cost, including tax?

Answers

The total cost including tax is $190.80

PLS HELP ME ASAP I WILL GIVE YOU 43 POINTS

The diagram shows 3/4 of a fraction strip shaded. Mary erases some of the shadings to show 5/8. Explain the steps she took to shade 5/8 of the fraction strip.

Answers

Answer:

She shaded 1/8 of the fraction strip.

Enjoy ;)

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