a) Work out the value of 19 + 7 divided 2-5

Answers

Answer 1
19+3.5-5 [ Dividing 7 with 2 yields 3.5].
Answer 2

Answer:

17.5

Step-by-step explanation:

19+7÷2-5

Order of operations says to multiply and divide before adding and subtracting.

19+3.5-5

Then go from left to right.

22.5-5=17.5


Related Questions

Find the sum:


One-sixth + StartRoot 6 EndRoot =


2.0824829…

2.6161564…

6.16

36.16

Answers

Answer:

Your answer is 2.6161564

Step-by-step explanation:

1. To write  √ 6  as a fraction with a common denominator, multiply by  

  6 /6  

2. 1/ 6 + √ 6 ⋅ 6  divided by 6

3. Move 6 to the left of square root of 6

           1 + 6 √ 6  divided by 6

Exact form =

1 +6  √ 6  divided by 6  

Decimal Form:

2.6161564

Answer:

2.6161564…

Step-by-step explanation:

Mia buys a tablet in $500. and plans to sell it in 2 years. the tablet value is projected to decrease for 40% per year. for how much Mia is expected to sell her tablet?

Answers

Answer:

$100

Step-by-step explanation:

$500 x [tex](1-40-40[/tex]%[tex])\\[/tex]

= $500 x 20%

= $100

$ 100 is for Mia expected.

Mia is expected to sell her tablet for $100 because its value is projected to decrease for 40% per year.

Given the following data:

Cost of tablet = $500Time = 2 yearsDepreciation rate = 40% per year = 0.4

To find how much Mia is expected to sell her tablet:

First of all, we would determine the depreciation for the two year.

[tex]Two \;years = 0.4(2) = 0.8[/tex]

The depreciation cost:

[tex]500[/tex] × [tex]0.8 = 400[/tex]

Now, we would solve for the selling price by using the formula:

[tex]Selling\;price = Cost\;price - Depreciation\;cost\\\\Selling\;price = 500 - 400[/tex]

Selling price = $100

Therefore, Mia is expected to sell her tablet for $100 because its value is projected to decrease for 40% per year.

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ts 2
What is the slope of the line shown below?
y
40
30
20
10-
-40
30...20...10
11
20
30
40 X
10
-20
30
40

Answers

Answer:

SLOPE : 3/5

Step-by-step explanation:

this is a positive slope, since it goes up from left...

vertical distance           rise         3

_______________ = _____ = ____  

horizontal distance       run         5

if you dig a 6ft hole how deep is that hole?

(wrong answers only ^^)

Answers

probably like 20 feet

Can someone answer each one for me?

Answers

Answer:

See below.

Step-by-step explanation:

a) 2(3)^2 + 5 -> 23

b) m^2+m-4 -> 8

c) x^2-y^2 -> 24

Please mark this as brainliest if this helped you!! Thank you :)

Consider the number 14. Which statement(s) are correct.

a
To multiply by 103, add 2 zeroes to the end of the number.

b
To multiply by 106, add 6 zeroes to the end of the number.

c
To multiply by 108, add 9 zeroes to the end of the number.

d
To multiply by 1011, add 11 zeroes to the end of the number.

Answers

Answer:

c

Step-by-step explanation:

ok

Kourtney rode her bike 2.2 miles in 0.8 hours. How fast was she going?

Answers

X = speed (miles/hour or miles per hour)

2.2 miles = 0.8hrs * x (divide by 0.8 on each side)

X = 2.75 miles/hour

WILL MARK FIRST CORRECT ANSWER BRAINLIEST PLEASE HELP ASAP

Answers

Answer:

B.

Step-by-step explanation:

the slop of line l is 6

half of that is 3

knowing that, the answer should be b

have a wonderful day <3

A number x is no less than -42

Answers

Step-by-step explanation:

It mean more than -42 or equal to -42

please give me a brainliest answer

The inequality that represents the statement "A number x is no less than -42" is x ≥ -42.

The inequality that represents the statement "A number x is no less than -42" can be expressed as:

x ≥ -42

In this inequality, the symbol "≥" stands for "greater than or equal to." It indicates that "x" can take any value that is equal to -42 or any value greater than -42. If "x" equals -42, the condition is satisfied, and if "x" is greater than -42, the condition is also satisfied.

For instance, if "x" is -40, the inequality holds true, as -40 is greater than -42. Similarly, if "x" is 0 or any positive number, the inequality remains true, as all these values are greater than -42.

To know more about inequality here

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Please help with this math problem ASAP!! Its due tonight!! I will give branliest!! :)

Answers

Answer:

I’m not sure but I think it’s 5.88

Step-by-step explanation:

Jasmine pays £52.40 for 40 litres of petrol. What is the cost per litre?

Answers

Answer:

1.31

Step-by-step explanation:

52.40÷40=1.31

I hope this helps:)

Jasmine's cost per liter of petrol is £1.31 when she pays £52.40 for 40 liters.

Total-Cost is divided by the quantity of units (liters) to find out how much each unit costs.

We know that : Cost of petrol is = £52.40,

The Quantity of petrol is = 40 liters,

The Cost per-liter can be calculated as = Total cost / Quantity of petrol

Substituting the values,

We get,

Cost per liter = £52.40/40,

Cost per liter = £1.31,

The concept of dividing the total cost by the quantity gives you a standard way to measure and compare costs on per-unit basis.

Therefore, the required cost per liter of petrol for Jasmine is £1.31.

Learn more about Cost here

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Can someone help me with this

Answers

Answer:

the 3rd answer is the one which can actually form a proper plot off of that sentence

Answer:

The 3rd choice

Cinderella we know is the name of a princess in a story not a plot.

"In the woods" doesn't completely describe a plot.

so the answer is "The big bad wolf wants to eat the pigs, so he blows down their houses."

Can you help me with this please.

Answers

Answer:

y = -1/2x + 5

Step-by-step explanation:

x + 2y = 10

2y = -x + 10

y = - 1/2 x + 10/2

Determine the exact value of 1 1/2 - 3/5 over 4 2/5 × 3/4

Answers

Answer:

Fraction: 7/9

decimal: 0.778

Step-by-step explanation:

Help asap plssssssss

Answers

Answer:

A. True

B. False

C. True

D. False

Step-by-step explanation:

Sana makatulong


Select the equation that is the inverse of the given function.
X-3
f(x) =
5
f-1(x) = 5x +15
O f-1(x) = 5x + 3
f-1(x) = 3x - 5
o 4-16x) = x

Answers

Answer:

B. f⁻¹(x) = 5x + 3

Step-by-step explanation:

Given function:

f(x) = (x - 3)/5

Find its inverse, substitute x with y and f(x) with x:

x = (y - 3)/55x = y - 3y = 5x + 3

Substitute y with f⁻¹(x):

f⁻¹(x) = 5x + 3

Correct choice is B

y=(x-3)/5

Interchange x and y and solve for y

x=y-3/55x=y-3y=5x+3

That's the inverse

Option B

A single bus ticket costs $1.55. A book of twelve tickets cost $17.20. How much do you save by buying the book of tickets?

Answers

Answer:

You saved $15.65

Step-by-step explanation:

17.20-1.55=15.65

Is it correct? please give me correct way ​

Answers

Answer:

yes this is correct

Step-by-step explanation:

you could just divide by -1 on both sides to get the answer

6. Find the solution of y = -2x + 3 for x = 2.

Answers

Answer:

-1

Step-by-step explanation:

Substitute the x in.

y = -2(2)+3

y = -4+3

y = -1

i need to get a good score! plss help!!!!

Answers

Answer:

82 is your answer

Step-by-step explanation:

3x6 = 18

8x8=64

18+64=82

Answer:

82 m²

Step-by-step explanation:

The blue figure is composed of a square ( on the right ) and a rectangle on the upper left )

Area of blue figure is the sum of the 2 areas , that is

Area = (8 × 8) + (6 × 3) = 64 + 18 = 82 m²

What is f '(x) for f(x) = secxcscx?

Answers

f(x)=secxcscx

let secx=g(x)

let cscx=h(x)

therefore, using leibnitz rule,

f'(x)=g'(x)*h(x)+h'(x)*g(x)

    Since derivative of secx=secxtanx

    and derivative of cscx=-cscxcotx,

f'(x)=secxtanxcscx -cscxcotxsecx

     =1/cosx*sinx/cosx*1/sinx - 1/sinx*cosx/sinx*1/cosx

     =1/cos^2x-1/sin^2x

     =(sin^2x-cos^2x)/sin^2xcos^2x / Option1

The value of f'(x) is (sin^2x - cos^2x)/sin^2x cos^2x. Thus, option A is correct.

What are trigonometric identities?

Trigonometric identities are the functions that include trigonometric functions such as sine, cosine, tangents, secant, and, cot.

Given;

f(x) = secx cscx

let secx = g(x)

let cscx = h(x)

Using Leibnitz rule,

f'(x) = g'(x)h(x) + h'(x)g(x)

Since the derivative of secx = secx tanx

derivative of cscx = -cscx cotx,

f'(x) = secx tanx cscx - cscx cotx secx

f'(x) = 1/cosx sinx/cosx 1/sinx - 1/sinx cosx/sinx 1/cosx

f'(x)  =1/cos^2x - 1/sin^2x

f'(x) = (sin^2x - cos^2x)/sin^2x cos^2x

Thus, option A is correct.

Learn more about trigonometric;

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Item 1
Which symbol correctly compares these fractions?

−35□−23


>

<

=

Answers

Step-by-step explanation:

the sign - "<" correctly compares this ( -35__-23).

hope this helps you.

Answer:   >

Step-by-step explanation:

13 x 2 + 3- 6 + 7 I NEED TO SHOW MY WORK HELP PLEASE AND TY

Answers

Answer:

30

Step-by-step explanation:

13 × 2 + 3 - 6 + 7

multiply first

26 + 3 - 6 + 7

29 - 6 + 7

23 + 7

= 30

Answer:

30

Step-by-step explanation:

13 × 2 + 3 - 6 + 7

Multiply 13 and 2 to get 26.

26 + 3 - 6 + 7

Add 26 and 3 to get 29.

29 - 6 + 7

Subtract 6 from 29 to get 23.

23 + 7

Add 23 and 7 to get 30.

30

can someone please help me with this!!??​

Answers

Answer:

0.94; 9/10; 88%; 0.78; 8/11

Step-by-step explanation:

Answer:

.94, 9/10, 88%, .78, and 8/11

Step-by-step explanation:

All % can be rewritten by moving the decimal 2 places to the left, (88% turns to .88)

Divide the fractions to get thier decimals

8/10 goes to .80

8/11 goes to .727272...

Now just put them in order

.7272, .78, .88, .90, .94 (Least to greatest)

.94, .90, .88, .78, .7272 (Greatest to least (What the problem wants))

Now convert them to the original form

.94, 9/10, 88%, .78, and 8/11

- Gage Millar, Algebra 2 Tutor.

) Which of the following expressions has a coefficient of 6 and a constant of 9?
6x + 9
9-6
9 +6
6 + 9.2

Answers

6x+9 is your answer
6x+ 9 is the answer your looking for

What is 1-2n+5=6? What is the value

Answers

Answer:

n = 0

Step-by-step explanation:

1 - 2n + 5 = 6

Add the numbers on the left side.

-2n + 6 = 6

Subtract 6 from both sides.

-2n = 0

Divide both sides by -2.

n = 0

Answer:

n=0

Step-by-step explanation:

1-2n+5=6

6 −2n=6

-2n=6-6

-2n=0

n=0

3. A BMW convertible travels at a speed of 50 miles per hour (mph) for 2.5 hours. What
distance does the convertible travel in miles?||

Answers

Answer:

The car will travel 125 miles

Step-by-step explanation:

The car will go 50 mi in 1 hour. If it travels for 2.5 hours, we can multiply 50 by 2.5.

50*2.5=125

Please give me brainliest.

Solve for x.

And show work

Answers

The answer to x is 5.

I need help!! my moms b day is coming up but i don't know what to do for her!!! mabye some of you people might be able to help me. will give brainlyest
so she likes, Rats, Cats, fairy's, plants, flowers. pls help pls

Answers

Answer:

Honestly get her, her favirot color of flowers.

Step-by-step explanation:

Its smart its 2 in 1.

Answer:

give/make her a fairy garden

Step-by-step explanation:

-8+Ax(-8)-(-6)=-2 -3+(-8)=2x4​

Answers

Answer:

ang anwser ay 100.09749?

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