MATHEMATICS HIGH SCHOOL

Jessica thinks of a numberShe multiplies the number by 3.
She then subtracts 7
Her answer is 5.
What number did Jessica think of?

I will mark the brainest pls

Answers

Answer 1

Answer:

Jessica think the number 4.

Here,

Jessica thinks of a number.

She multiplies the number by 3.

She then subtracts 7.

Her answer is 5.

We have to find the number.

What is Number system?

A system of writing to express number is called Number system.

Now,

Let the number is x.

Hence, Accordingly given conditions;

She multiplies the number by 3, then subtracts 7 get answer is 5.

We get;

3x - 7 = 5

3x = 12

x = 4

Hence, The number is 4.

learn more about the number system visit:

brainly.com/question/13162939

#SPJ2

Answer 2

Answer:

Answer:

Step-by-step explanation:

if you multiply 4 by 3, you will get 12, and if you subtract 7, you get 5. I hope this helps ;)

Related Questions

Someone please help me, I’m struggling :(
I went to the tire store in my total was $730.98 and I am scheduled to pay $27.96 a week how many weeks total will I be paying for the tires
Subtract.(x + 1) - (-2x - 5) A) 6 –x B) -x - 4 C) 3x - 4 D) 3x + 6
The volume of a cube is 66cm cubed what is the height?
Help me pleaseee :( im almost finished

If the sale tax is 8.875, find the total cost you would pay for :A 22.50 shirt
A 6,500 car
A house for 750,000

Answers

8.875% = 0.08875

A 22.50 shirt would cost after sales tax:
$22.5 * 0.08875 = \boxed{24.50}$

A 6,500 car would cost after sales tax:
$6,500 * 0.08875 = \boxed{7076.88}$

A house for 750,000 would cost after sales tax:
$750,000 * 0.08875 = \boxed{816,562.50}$

A school is planning a field trip to a theme park. A ticket to the park costs $23. For a group of 50 or more, there is a 15% discount. The school saved $759 with the discount. How many tickets did the school buy?

Answers

Answer:

total tickets = 220

Step-by-step explanation:

given data

park ticket costs = $23

group member = 50

discount = 15%

school saved = $759

solution

we know here with the discount 15% we save $759

so we get here total paid x that is express as

x × 15% = $759

x = $(759)/(0.15)$

x = $5060

so now we get total ticket that is

total ticket = total paid ÷ one ticket costs

total ticket = $(5060)/(23)$

total tickets = 220

A dinner bill of $31.37 had 6% tax added to that total

Answers

33.25 is the answer.

is there a question to the problem

A model rocket is launched straight into the air from platform 3 feet above the ground with an intial velocity of 192 feet per second

Answers

Answer:

Step-by-step explanation:

the function -16t^2 + 64t + 192 give the height S, in ft, of a model water rocket launched with a velocity of 64 ft/second from a hill that is 192 ft high. a) determine how long it will take the rocket to reach the ground, b) find the interval on which the height of the rocket is greater than 240 ft.

I need help for this homework

Answers

The exact value of cos(x - y) is 416/425.

What is trigonometry?

Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles. It explores the properties of trigonometric functions, such as sine, cosine, and tangent, which are used to measure and calculate angles, lengths, and distances in triangles and other geometric shapes.

We can begin by using the trigonometric identity:

cos(x - y) = cosx cosy + sinx siny

We are given that sinx = 8/17 and tany = 7/24. We can use these to find cosx and cosy.

From sinx = 8/17, we know that:

$cosx = √((1 - sin^2x)) = √((1 - (8/17)^2)) = √((225/289)) = 15/17$