One week, Isabelle bought 2 bags of apples and 3 bags of oranges. The next week, she bought 1 bag of apples and 2 bags of oranges. If a represents the cost of each bag of apples and r represents the cost of each bag of oranges, which expression could Isabelle use to calculate the difference between the amounts she spent each week?
A. 3 a minus r
B. 3 a minus 5 r
C. (2 a minus 3 r) minus (a minus 2 r)
D . (2 a + 3 r) minus (a + 2 r)

Answers

Answer 1

Answer:

It should be D.


Related Questions

What is the quotient?
t+3/t+4

Answers

Answer:

[tex] \frac{t + 3}{t + 4} = 1 - \frac{1}{t + 4} [/tex]

Which set best represents the positive integers?
O A. {1,2,3,4,...)
O B. {0, 1, 2, 3, 4, ...}
O C. ..., -4,-3, -2, -1}
D. {..., -3, -2, -1, 0, 1, 2, 3, ...}-

Answers

Answer:

O A. {1,2,3,4,...)

Step-by-step explanation:

Its not B because it holds 0 which is ±

1/4 - (-3/4)
anyone please, and thanks

Answers

Answer:

1

Step-by-step explanation:

1/4 - ( - 3/4)

{Multiplying two negative signs gives us positive sign}

1/4 + 3/4

Add both of them:

1/4 + 3/4 = 1

Answer:

1

Step-by-step explanation:

note that - (- ) = +

[tex]\frac{1}{4}[/tex] - (- [tex]\frac{3}{4}[/tex] )

= [tex]\frac{1}{4}[/tex] + [tex]\frac{3}{4}[/tex]

= 1

Chris is building a circular pool in his backyard for summer the pool will have a circumference of 62.84 ft but will the approximate diameter of the pool.​

Answers

Answer:

20

Step-by-step explanation:

Cause d = C/3.14 and that’s equals 2 3.14 and c times radius

5x+7=4 What is the first step in solving this equation

Answers

Answer:

The first step would be subtract 7 from both sides.

If correct, mark me brainliest!

[tex]Hope this helps[/tex]

Answer:

Your first step would be to subtract 7 from both sides of the equation

Step-by-step explanation:

5x+7=4

5x=-3

PLEASE PROVIDE ANSWER AS SOON AS POSSIBLE

Answers

x=2 it’s kinda hard to tell from the photo tho

help me please really need it

Answers

Answer:

it's just a sussy baka and it cannot be that bad im feeling like imposter i might just be a monster

Step-by-step explanation:

Amongus in real life

sus caught in 4k camera

Select the correct answer.
Consider the explicit formulas for two sequences.
f(n) = 2(1 – 1) - 1
g(n) = 3n + 6
Which mathematical statement is correct?
O A. 96) > 6)
O B. (7) > g(10)
OC. F(5) < g(3)
O D.g(8) = f(5)

Answers

Answer:

[tex](c)\ f(5) < g(3)[/tex]

Step-by-step explanation:

Given

[tex]f(n) = 2(n-1) -1[/tex]

[tex]g(n) = 3n + 6[/tex]

Required

Which is correct

[tex](a)\ g(6) < f(6)[/tex]

Calculate g(6) and f(6)

[tex]f(n) = 2(n-1) -1[/tex]

[tex]f(6) = 2(6 - 1) -1 = 2*5-1=9[/tex]

[tex]g(n) = 3n + 6[/tex]

[tex]g(6) =3*6 +6 =24[/tex]

(a) is false, because g(6) > f(6) i.e. 24 > 9

[tex](b)\ f(7) > g(10)[/tex]

Calculate f(7) and g(10)

[tex]f(n) = 2(n-1) -1[/tex]

[tex]f(7) = 2*(7-1)-1=2*6-1=11[/tex]

[tex]g(n) = 3n + 6[/tex]

[tex]g(10) =3*10+6=36[/tex]

(b) is false, because f(7) < g(10) i.e. 11 <36

[tex](c)\ f(5) < g(3)[/tex]

Calculate f(5) and g(3)

[tex]f(n) = 2(n-1) -1[/tex]

[tex]f(5) =2 *(5-1)-1 = 2*4-1=7[/tex]

[tex]g(n) = 3n + 6[/tex]

[tex]g(3) = 3*3+6=9+6=15[/tex]

(c) is true, because f(5) < g(3) i.e. 7 <15

Answer:

the answer is f(7) > g(10) because 63 > 36.

Step-by-step explanation:

Ill mark you brainlist plz help if you put something random I will report you!

Answers

Answer:

35

Step-by-step explanation:

180-145=35

Answer:

the small section should be 35° if you think half a circle is 180° subtract the 145°

A salesperson earns a 45% commission and has a
sell for $880. Determine the commission the
salesperson will make.

Answers

Answer:

880 times 0.45 equals 396 as his/her commissioner fee

Step-by-step explanation:

please help i don’t understand

Answers

Answer:

f(x) = 4x + 3

Step-by-step explanation:

plug in some x values to test:

4(0) + 3 = 0 + 3 = 3

4(3) + 3 = 12 + 3 = 15

4(6) + 3 = 24 + 3 = 27

it checks out

Answer:

It would be the last one

Step-by-step explanation:

here are the coirdantes:

0-3

3-15

6-27

9-39

So if u try the first one

f(x)=x+3

3(1)=3

3+3=9

So it does not work

The second choice:

f(x)=-4x-3

3(-4)

-12-3=-15

It does not work

The third choice:

f(x)=1/4x+3

3(1/4)=3/4

3/4+3=3 3/4

The last one:

f(x)=4x+3

9(4)=36

36+3=39

As you can see the last one works

I hope this helped :D

(Fyi you can use your graphing calculator: (Ti-38))

Diane earned $23 less than chris. represent how much Diane earned.

Answers

Answer:

n-23

Step-by-step explanation:

it’s 23 bc aaaaaaaaaaaa

finding the axis of symmetry of its graph y=3x^2-18x+1​

Answers

Answer:

x=3

Step-by-step explanation:

Answer:

x = 3

Step-by-step explanation:

Given a quadratic in standard form

y = ax² + bx + c ( a ≠ 0 )

Then the axis of symmetry is

x = - [tex]\frac{b}{2a}[/tex]

y = 3x² - 18x + 1 ← is in standard form

with a = 3, b = - 18

x = - [tex]\frac{-18}{6}[/tex] = 3

Axis of symmetry is x = 3

Please help me
Look at the image

Answers

Answer:

74 degrees

Step-by-step explanation:

As sum of interior and exterior at a vertex add to 180, subtract 106 from 180 to get 74 degrees

Helppppppppppppppppppp I’ll mark you brainlist don’t respond if you’re going to put something random I will report you :)

Answers

Answer:

55

Step-by-step explanation:

You're looking at a right triangle, with both legs being complementary forming 90

Since you know one measurement, 35, substract that from 90 and  you get your missing angle.

90-35 = 55

Answer:

measure of the missing angle=55°

Step-by-step explanation:

Hi there!

We're given a right angle (as indicated by the red marking) being split into a 35° angle and another angle of unknown degree. Let's call the value of this angle x.

Because the given angle is 90° being split apart by the 35° angle and x, x+35° will equal to 90° (this is called parts whole postulate, where a whole (the 90° angle) is equal to the sum of its parts (the 35° angle and the x° angle))

so we can solve the equation as:

x+35°=90°

subtract 35 from both sides

x=55°

so the measure of the missing angle is 55°

Hope this helps! :)

Which statement is not true?

Answers

Answer:

top right

Step-by-step explanation:

Is

379
in the sequence below?

5
,

7
,

9
,

11
,

13

Answers

Answer:

no 379s not in the sequence below

Which relation is a function? A. (1,0) (3,0) (1,1) (3,1) (1,3). B. (1,1) (2,2) (3,3) (4,4) (5,8). C. (2,7) (6,5) (4,4) (3,3) (2,1). D. (9, -3) (9,3) (4, -2) (4,2) (0,0)

Answers

Answer:

a

Step-by-step explanation:

because it's a relation function

Someone help me please

Answers

Answer:

h. I dont understand the question-

i. 2w + 5

j. 7m + 13s (I didnt get the second number)

k. -2x + 3y (I also didnt get the first number-)

l. 5c - 2d

m. 10a + 2g

n. 5a + 12

Step-by-step explanation:

Find (from (3)

f(x) = x^2 - x

Answers

Answer:

I think the answer is 6.......

In a circle, the length of an arc incepted by a central angle is 12mm, and the radius of the circle is 8mm. What is the measure, in radians, of the circle?

Answers

16 pi mm=1.6 radians

PLEASE HELPPPPPPPPPPPPPPPPPPPp

Answers

Answer:

I think its 30 meters. The bottom rectangle is 21 Meters and the top square is 9 Meters

I believe it is 7m^2

What is the equation of the line that passes through the points
(6,8) and (-10, – 7)?

Answers

Answer:

y=15/16x+19/8

Step-by-step explanation:

Hi there!

We are given the points (6,8) and (-10, -7) and we need to find the equation of the line

There are 3 ways to write the equation of the line, but the most common format is slope-intercept form, or y=mx+b form, where m is the slope and b is the y intercept

First, we need to find the slope

The formula for the slope calculated from two points is (y2-y1)/(x2-x1), where (x1, y1) and (x2,y2) are points

Our (x1,y1), and (x2,y2) are (6,8) and (-10, -7)

we can label their values to avoid confusion:

x1=6

y1=8

x2=-10

y2=-7

substitute into the formula

m=(-7-8)/(-10-6)

m=15/16

so the slope is 15/16

here's our equation so far:

y=15/16x+b

we need to solve for b

Because the line will pass through (6,8) and (-10,-7), we can substitute either one of them into the equation to solve for b

Let's take (6,8) as an example

Substitute x as 6 and y as 8

8=15/16(6)+b

Multiply

8=45/8+b

subtract

19/8=b

therefore, the equation of the line is:

y=15/16x+19/8

Hope this helps! :)

please help me with homework or i will get yelled by my teachers lolz

Answers

Answer:

the answer to this is 7.

Step-by-step explanation:

7+3=10.

10 = 7 + 3

uhmm bcos 3 + 7 = 10

Easy eh?-

write an equation for a line passing through (-4, 3) and (0, 6)

Answers

Answer:

y = 3/4x + 6

Step-by-step explanation:

6-3          3

------- =  ------

0--4        4

y = mx + b

take coordinates for y and x out of (-4, 3) or (0,6)

6= 3/4 * 0 + b

6 = 0 + b

b = 6

Emma says the length of her favorite movie is 120120120 minutes, but she has rounded the time to the nearest ten.
Which could be the number of minutes of Emma's favorite movie before she rounded it?

Answers

Answer:

17

Step-by-step explanation:

Solve for q. Write your answer as “q=___”

Answers

Answer:

7q-46= 3q +6

7q-3q = 6+ 46

4q= 52

4q/4= 52/4

q= 13

Answer:

Hello! q = 22

Step-by-step explanation:

This is a supplementary angle meaning it will add up to 180 degrees so...

22 × 7 = 154 154 - 46 = 108

3 × 22 = 66 66 + 6 = 72

108 + 72 = 180 therefore q = 22 hope that helps!

A 40 foot ladder is set against the side of a house so that it reaches up 24 feet. If Lily
grabs the ladder at its base and pulls it 4 feet farther from the house, how far up the
side of the house will the ladder reach now? (The answer is not 20 ft.) Round to the
nearest tenth of a foot.

Answers

Answer:

17.4

Step-by-step explanation:

got it wrong on delta

a^{2}+(36)^{2}=

a

2

+(36)

2

=

\,\,40^{2}

40

2

Use the Pythagorean Theorem.

a^{2}+1296=

a

2

+1296=

\,\,1600

1600

Simplify.

-1296\phantom{=}

−1296=

\,\,-1296

−1296

Subtract 1296 from both sides.

a^{2}=

a

2

=

\,\,304

304

\sqrt{a^{2}}=

a

2

=

\,\,\pm\sqrt{304}

±

304

Square root both sides.

a=

a=

\,\,17.435595...

17.435595...

Simplify. Ignore negative root, as length must be positive.

a\approx

a≈

\,\,17.4

17.4

The distance far up the side of the house will the ladder reach now will be 15.2 feet.

The distance far up the side of the house will the ladder reach now will be 15.2 feet.

A 40 foot ladder is set against the side of a house so that it reaches up 24 feet.

What is the Pythagoras theorem?

The Pythagoras theorem which is also referred to as the Pythagorean theorem explains the relationship between the three sides of a right-angled triangle. According to the Pythagoras theorem, the square of the hypotenuse is equal to the sum of the squares of the other two sides of a triangle.

Let the distance between the base of house and ladder foot is x feet.

By using Pythagoras theorem;

40² = 24² + x²

⇒ 1600 - 576 = x²

⇒ x² = 1024

⇒ x = 32 feet

If Lily grabs the ladder at its base and pulls it 4 feet farther from the house.

Then, the distance between the base of house and ladder foot = x + 5

Height of house is h feet

40² = h² + (x + 5)²

⇒ 1600 = h² + (32 + 5)²

⇒ 1600 = h² + 1369

⇒ h² = 1600 - 1369

⇒ h² = 231

⇒ h = √231

⇒ h = 15.19 feet

Therefore, the distance far up the side of the house will the ladder reach now will be 15.2 feet.

To learn more about the Pythagoras theorem visit:

brainly.com/question/21926466.

#SPJ2

A company needs to package 2,400 pencils. A box in the shape of a rectangular prism can hold 60 pencils. A cylindrical container can hold 80 pencils. Each box costs the company $0.50, while each cylindrical container costs $0.75.

Which packaging should the company use to minimize cost? Explain.

The rectangular prism boxes should be used because they will cost the company $2.50 less than using the cylindrical containers.
The cylindrical containers should be used because they will cost the company $2.50 less than using the rectangular boxes.
The rectangular prism boxes should be used because they will cost the company $5.00 less than using the cylindrical containers.
The cylindrical containers should be used because they will cost the company $5.00 less than using the rectangular boxes.

Answers

Answer:

The rectangular prism boxes should be used because they will cost the company $2.50 less than using the cylindrical containers.

Step-by-step explanation:

Box

2400/60 * .5 = 20

Cylinder

2400/80 * .75 = 22.5

Box cost 2.50 less

Answer:

a. The rectangular prism boxes should be used because they will cost the company $2.50 less than using the cylindrical containers.

Step-by-step explanation:

Just got it right on Edge

Which fraction has a terminating decimal as its decimal expansion?
One-third
One-fifth
StartFraction 1 Over 7 EndFraction
StartFraction 1 Over 9 EndFraction

Answers

Answer:

1/5

Step-by-step explanation:

Answer:

1/5 is the correct answer on edge. 2021

Step-by-step explanation:

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