10) Sarah is 3 years older than her sister Mary.
Together their ages add up to 23. How old is Mary?

Answers

Answer 1

Answer:

20

Step-by-step explanation:

20 - 3

Sarah is 3 years older so 23 is going to be subtracted.


Related Questions

What is the distance from the origin to point P graphed on the complex plane below?

Answers

square root of 29, so option 2

Which graph represent proportional relationship?

Answers

Answer:

C

Step-by-step explanation:

Non proportional graphs are non-linear and don’t go (necessarily) through 0,0

Proportional graphs are linear and always (eventually) cross through with 0,0

I think the answer would be c:)

which expression is modeled by this arrangement of tiles?

O -16÷3

O -16÷2

O -8÷8

O -8÷2​

Answers

Answer:

the second option

Step-by-step explanation:

hope this helps

1
2
3
Use the order of operations to fin
3 x 15 + 3 x 20 - 35 = n

Answers

3 x 15 + 3 x 20 - 35 = n
45 + 3 x 20 - 35 = n
45 + 60 - 35 = n
105 - 35 = n
70=n

Select all the conditions for which it is possible to construct a triangle.


Group of answer choices


A triangle with angle measures LaTeX: 60^\circ 60 ∘ , LaTeX: 80^\circ 80 ∘ , and LaTeX: 80^\circ 80 ∘


A triangle with side lengths 4 cm, 5 cm, and 6 cm


A triangle with side lengths 4 cm, 5 cm, and 15 cm


A triangle with side lengths 4 cm and 5 cm and a LaTeX: 50^\circ 50 ∘ angle


A triangle with angle measures LaTeX: 30^\circ 30 ∘ and LaTeX: 60^\circ 60 ∘ , and a 3 cm side length

Answers

Answer:

A triangle with side lengths 4 cm, 5 cm, and 6 cm

A triangle with side lengths 4 cm, 5 cm, and 15 cm

A triangle with side lengths 4 cm and 5 cm and a 50∘ angle

A triangle with angle measures  30 ∘ and 60 ∘ , and a 3 cm side length

Step-by-step explanation:

A triangle measuring 60 ∘, 80∘ and 80∘ is more than sum of angles of a triangle (180∘). This cannot be constructed as triangle because it is more than 180∘.

A triangle can be constructed, If the sum of any two sides is greater than third side,

Thus, a triangle with side lengths 4 cm, 5 cm, and 6 cm can be constructed because;

4 cm + 5cm > 6 cm

A triangle with side lengths 4 cm, 5 cm, and 15 cm can be constructed as well, because;

5 cm + 15 cm > 4 cm

A triangle with side lengths 4 cm and 5 cm and a 50 ∘ angle can be constructed ( two sides and an angle between them)

A triangle with angle measures  30 ∘ and 60 ∘ , and a 3 cm side length can be constructed ( two angles and a side between them)

Find atleast 5 numbers between 1/2 and 1/3.

Answers

Answer:

12.2 12.3 12.4 12.5

Step-by-step explanation:

Which shows associative property?
3(ab) = (3a)b
(3 + a) + b = 3 + (a + b)

Answers

Answer: the answer is the second one

Step-by-step explanation:

9514 1404 393

Answer:

3(ab) = (3a)b . . . associative property of multiplication(3 + a) + b = 3 + (a + b) . . . associative property of addition

Step-by-step explanation:

The "associative property" can apply to any number of operations. The ones we're usually concerned with are multiplication and addition.

Basically, the associative property says you can regroup elements that have the same operation being performed on them. Effectively, that regrouping lets you perform the sequence of operations in whatever order you may choose.

For multiplication, the associative property can be written:

  (ab)c = a(bc)

This form matches the first of the choices shown:

  3(ab) = (3a)b

__

For addition, the associative property can be written:

  (a+b)+c = a+(b+c)

This form matches the second of the choices shown:

  (3 + a) + b = 3 + (a + b)

__

If you must select one answer, you need to know which associative property you're talking about.

help with this immediately​

Answers

Answer:

c

Step-by-step explanation:

%gggggyyhhttbu6gnmk8tg

Which functions are symmetric with respect to the origin?

y = arcsinx and y = arccosx
y = arccosx and y = arctanx
y = arctanx and y = arccotx
y = arcsinx and y = arctanx

Answers

Answer:

y=arcsinx and y=arctanx

Step-by-step explanation:

The functions that are symmetric with respect to the origin will be y = arcsin x and y = arctan x. Then the correct option is D.

What is a function?

A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.

Simply put, inverse trigonometric operations are the opposites of the fundamental trigonometric parameters sine, cosine, secant, cosecant, tangent, and cotangent.

Axial symmetrical is similarity around an axis; an item is internally symmetric if it retains its appearance when turned around an axis.

The functions that are symmetric with respect to the origin will be y = arcsin x and y = arctan x. Then the correct option is D.

The diagram is given below.

More about the function link is given below.

https://brainly.com/question/5245372

#SPJ2

Thompson down the street from his home to Cameron's house. Along the way, he stopped at a bake to pick up cupcakes. if he began at (10,-9), ended at (12,-7),and stopped at the bakery at (11,-8), what are the ratios to represent his trip? Select all that apply.

1/1
2/1
1/4
1/2​

Answers

Trip for 7)7 9/4 7 is 7

30x + 40y =


what is the answer please help me

Answers

Answer:

10(3x + 4y)

Step-by-step explanation:

Unit rate
Find each unit rate.
1. $140 for 18 ft2

Answers

Answer:

$17.50

Step-by-step explanation:

140 divided by 18 equals 17.50, the unit rate is dollars per foot.

Answer:

$7.78 : 1 ft²

Step-by-step explanation:

140 : 18

÷18  ÷18

7 7/9 : 1

    or

$7.78 : 1 ft²

A customer will get gallons for 3.50

Answers

What is the question? For any amount of gallons you would multiply 3.50 to get the totally price. Hope this helps!

Answer:

What is the question?

Step-by-step explanation:

If its how much will it cost to get ____ gallons

Just multiply the number of gallons you want and 3.50 (the price)

Again, I don't really know what your question is, but I'm saying this so that if what I put up there is actually what your question was, you don't have to make another one. (I'm not sure if you can edit questions or not.)

to multiply a decimal number by a 1,000 , move the decimal point four places to the right

Answers

Answer:

that is the answer

Step-by-step explanation:

Answer:

Step-by-step explanation:

whoop

What is this expression equivalent to? Will Give Brainliest! Image is below.

Answers

Answer:

the correct answer is 4

Jumping makes a frog so tired, each successive jump is 2/3 the distance of the previous hump. If a frog jumps 24 cm on its first jump, how far will the frog travel after four jumps?

Answers

7 cm, after 4 jumps the frog 7.111... cm.

How many solutions does this system of equations have? Exactly one None Infinitely many Exactly two

Answers

None because they are parallel and not equal.

14. Quincy delivered 240
newspapers yesterday and 180
newspapers today.

Answers

Answer:

What is the question?

Step-by-step explanation:

Which measure is equivalent to 18,000 s?

1 min = 60 s

1 h = 60 min




0.5 h

3 h

5 h

30 h

Answers

Answer:

30 h

Step-by-step explanation:

went to the same question and got the answer plus i took th test

What is wrong with the picture? Show work.

Answers

Answer:

The mistake is in the angles

Either both should be 69° or 70°

Hope this helps you Stay happy and safe Do mark as brainliest ✌️

The population of China is approximately 1.381x10^9, and the population of the US is approximately 3.23x10^8. About how many people live in both countries combined? Answer in scientific notation

Answers

Answer:

1.704 x 10⁹ people

Step-by-step explanation:

    Population of China = 1.381 x 10⁹

    Population of US = 3.23 x 10⁸

Problem:

Number of people in both countries combined = ?

Solution

   To solve this problem, simply add them together;

Let us make the exponents the same for easy addition;

      Population of China = 1.381 x 10⁹ = 13.81 x 10⁸

      Poplation of US =  3.23 x 10⁸

Adding both:

                   (13.81 x 10⁸)  + (3.23 x 10⁸)

             ⇒ (13.81 + 3.23) x 10⁸

             ⇒ 17.04 x 10⁸

             ⇒ 1.704 x 10⁹

   

2,76,212+2628 = ______ +2,76,212​

Answers

Answer:

555052

Step-by-step explanation:

>_< I need some help pls,

Answers

Answer: 80 = 20 + 5v

Step-by-step explanation:

This equation allows you to find out how many visits would create an even rate for both gyms.

The various steps of a food chain or web are known as ______. These explain where an organism sits on an ecological pyramid.

Answers

Answer:

Trophic Level

Step-by-step explanation:

The first trophic level is of producers (green plants). The second trophic level is of primary consumers also known as herbivores, third of carnivores, or secondary consumers, fourth is of tertiary consumers also known as top carnivores.

How would you graph y = x - 7

Answers

the y coordinate is at 0,-7 and then just go up one over one to the right
Put the y first and then you would go left 7 for x i think

we paid $75 for 15 hamburgers. What was the rate per hamburger

Answers

Answer: $5

Step-by-step explanation: $75 divided by 15 burgers is $5 per burger

Answer:

5

Step-by-step explanation:

we paid $75 for 15 hamburgers.

so 15 hamburges = $75

so 1 hamburges = 75/15 =$5

therefore ,The rate per hamburger is $5

how do I find range and domain

Answers

RANGE: find the difference between the lowest and the highest values. EX: in (4, 6, 9, 3, 7) the lowest value is 3 and the highest is 9 so the range would be 9-3=6. 6=range

DOMAIN: to find the domain set the bottom equal to zero and exclude the X value you find when you solve the equation.

Choosing from 8 car models, 5 exterior paint colors, and 2 interior
colors

Answers

i think it is 17 but i’m not sure i’m not the best at math

Please help ASAP.
Will mark brainliste

Answers

Answer:

i think its c but it could also be d sorry if im wrong T-T

Step-by-step explanation:

Please help!!!- Find the measure of the angle in bold.
Need help to figure out to solve this.

Answers

Answer:

11x-6+(19x+6)=180°

11x+19x-6+6=180°

30x=180

x=180/30

x=6

it means that

19x+6=19*6+6=114+6=120°

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