Enter the sentence as an equation or inequality. Use x to represent any unknown number.

The sum of 4 and a number is 15.

Answers

Answer 1

4 + x=15

Step-by-step explanation:

x is unknown

so we are adding 4 and x to equal 15


Related Questions

simplify 2(-3x -6) I want to simplify it but I'm not sure how

Answers

Answer:

-6x-12

Step-by-step explanation:

2(-3x-6)

Multiply: 2(-3x)+2(-6)

so answer is -6x-12

solution is -6x-12

Explained: 2(-3x-6)
-6x - 12

Raina has 3 buckets.
She pours a total of 30 liters of water into these buckets.
If every bucket gets the same amount, what is the volume of water in each bucket?

Answers

Answer:

30/3=10

so every bucket gets 10 liters

Step-by-step explanation:

If x = -3, then x^2-7x + 10 equals

Answers

Answer and working out attached below, hope it helps

x²-7x+10 when x=-3

( - 3)² - 7( - 3) + 10 = 9 + 21 + 10 = 30 + 10 = 40

If a circle is cut from a square piece of fabric, how much fabric would be leftover? Use 3.14 for pi. (round to nearest hundredth).

Answers

Answer:

0.22 square units

Step-by-step explanation:

Area of the left over fabric = Area of the square piece - Area of the circle

let the side length of the square piece be 1 unit

Area of the square piece = 1 * 1

Area of the square piece = 1 square units

Area of the circle = πd²/4

d is the diameter of the circle = 1 unit (equivalent to the side length of the square)

Area of the circle = π(1)²/4

Area of the circle = 3.14/4

Area of the circle = 0.785square units

Area of the left over fabric = 1- 0785

Area of the left over fabric = 0.215 square units

Hence the amount of fabric that would be leftover is 0.22 square units

Answer:

0.22 square units

Step-by-step explanation:

Hope this helps

Solve for x (Geometry)

Answers

Answer:

x = 18[tex]\sqrt{2}[/tex]

Step-by-step explanation:

The middle line divides the 90° angle in half meaning your triangles are isosceles triangles. Recall that an isosceles triangle has sides that are the same length.

Using pythagorean theorem a² + b² = c², you can solve for x

18² + 18² = x²

x² = 648

x = 18[tex]\sqrt{2}[/tex]

What is the value of this expression when X=-1 and Y = 2?
4x3y2

Answers

Answer:

-16

Step-by-step explanation:

4x3y2

replace variables with numbers

4×-1×2×2

-4×4=

-16

Given an example of a binomial and an example of a trinomial.

Answers

Answer:

Step-by-step explanation:

A binomial might look like x + 2.  Note how it has two terms.  " bi' " is a prefix meaning " two. "

A trinomial might look like 2x^2 - x + 1.  It has three terms.

Simplify the expression
9 (a - 4)

Answers

9a-36. Multiply the 9 by a, to give you 9a. Then by -4 to give you -36. All together that becomes 9a-36.
9a - 36 distribute everything

5d + 4 + 2 + - 9 + 3d + 4c

Answers

Answer:

8d + 4c - 1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

5d + 4 + 2 + -9 + 3d + 4c

Step 2: Simplify

Combine like terms (d):                                                                                    8d + 4 + 2 - 9 + 4cCombine like terms:                                                                                         8d + 4c - 1

Answer:

8d + 4c - 3

Step-by-step explanation:

5d + 4 + 2 + - 9 + 3d + 4c

5d + 3d + 4c + 4 +2 - 9

8d + 4c - 3

Which statement best describes hopping viewpoint and purpose in this excerpt?

Answers

Answer: Sry but can I see the excerpt. Thanks

Step-by-step explanation:

Answer:

A. edge 2021

mark me brainliest

Problem: Jessica ordered a pizza. One-half of the pizza had pepperoni only, one-sixth of the pizza had mushrooms, and the rest of the pizza was cheese only. What fraction of the pizza was cheese only?

Answers

Answer:

1/3 of the pizza

Step-by-step explanation:

Number of pizza ordered = 1

pepperoni only part = One-half of the pizza = 1/2 of the pizza

Mushrooms part = one-sixth of the pizza = 1/6 of the pizza

Cheese only part = x

Total pizza = pepperoni only part + Mushrooms part + Cheese only part

1 = 1/2 + 1/6 + x

1 = (3+1) /6 + x

1 = 4/6 + x

1 - 4/6 = x

x = 1 - 2/3

= (3-2) / 3

x = 1/3 of the pizza

Cheese only part = x = 1/3 of the pizza

Find the slope of the line that passes through (3, 5) and (8, 1). Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Answers

Answer: Answer is B

Step-by-step explanation:

What is the negative x-intercept of the quadratic function represented by
y = (2x + 8) (3.2 – 1)?

Answers

4.4? Jejejwmmwlsowkwm

Find the slope of the line that passes through the points (2, 1) and (-4, -5).

Answers

Answer:

The slope is 1

Step-by-step explanation:

(2, 1) and (-4, -5)

Slope:

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

m=(-5-1)/(-4-2)

m= (-6)/(-6)

m = 1

Answer:

Hi! The answer to your question is [tex]Slope = 1[/tex]

Step-by-step explanation:

[tex]Slope = y2-y1/x2-x1[/tex]

[tex]-5-1/-4-2[/tex]

[tex]= 1[/tex]

[tex]Slope = 1[/tex]

☆*: .。.。.:*☆☆.*: .。..。.:*☆☆*: .。.。.:*☆☆.*: .。..。.:*☆

☁Brainliest is greatly appreciated!☁

Hope this helps!!

- Brooklynn Deka

A number from 1-20 is chosen at
random. What is the probability
that it is not prime number.

Answers

Answer:

There are 12 composite (and 8 primes) in the first twenty whole numbers. So the probability of randomly choosing a non-prime is 12/20 or 60%.

helphelphelphelphelphelphelphelphelphelphelphelp

Answers

Answer:

um... the.... second... one...? and nice Jake picture

Step-by-step explanation:

8/9÷3= 7/8 1/5 8/27 2/3​

Answers

8/9 divided by 3 = 8/27

have a wonderful day! the steps are down below! :)

Find the exact value of each trigonometric function using the unit circle ​

Answers

Answer:

Step-by-step explanation:

8)

co-terminal angle for -960... can you tell me?  :D  w/o looking at my answer below?

Your answer for co-terminal angle is   ______________ :)

960 - 360 = 600

600 - 360 = 240

this is telling us that going in a clock wise direction.. as the -960 is, that the co-terminal angle is 240, which seems about right.. looking at the graph. so now. let's take 240 away from 360 to find that co-terminal angle but going in the positive direction or the counter clock wise direction

360-240 = 120

and yes.. that does look like 120 °  going in the positive direction.  

now do you know the sec identity  to use sin and cos???

look at the below diagram

sin     sec

cos    csc

tan    cot

the trig function line up like that for a reason

sin     1/sin

cos    1/cos

sin/cos   cos/sin

I put them in their sin and cos identities.. see.. they all line up that way

sec = 1/sin

csc = 1/cos

tan = sin/cos

cot = cos/sin

now... find

sec(120) = 1/sin(120)

do you know how to find sin(120) ?????

put it back to it's co-terminal angle in the 1st quadrat... I hope you know how to do this.. i'll just speed along... assuming you do

sin(120) = sin(60)= √3/2

so sec(120) = 1 / √3/2  

so sec(120) = 2/ √3

10)

csc(315) = 1/cos(315)

find the co-terminal angle that you know in the 1st quadrant again...

so 315 = 45 in the 1st quadrant.. I just looked and can see that

so

csc(315) = 1/cos(315   =  1/cos(45)     and cos(45) = √2/2

so then  1 /  √2/2   =   2 / √2

csc(315) = 2 / √2

what i'm really wondering about.. is .. where is question 9)

:DDD

What is the distance between the following points

Answers

Answer:

5

Step-by-step explanation:

Use pythagorean theorem. The rise is 3 units and the run is 4 unites. Now the length of the line we are trying to find is a hypothenuse(the side opposite of the right angle

Help please I need help

Answers

Answer:

EI SONA

Step-by-step explanation:

At Super Grocery, strawberries cost $3.00 for 2 pounds. At Value Market, strawberries cost $4.00 for 3 pounds. Which store has a better value for strawberries?

Answers

Answer: Value Market has the better  value for strawberries

Step-by-step explanation: Value Market sells them for 1.3 for 1 pound.

Answer: Uhhhhh

Step-by-step explanation:

Value market has a better value

A . 48 cm sq
B. 64 cm sq
C. 80 cm sq
D. 60 cm sq

Answers

I think it would be B

There are 60 calico cats at the animal shelter if this represents 30% of the cats in the shelter how many total cats are there

Answers

Answer: 200 cats in total

Step-by-step explanation:

60 calico cats represents 30% of the total cat population in the shelter.

That means that if we find 30% of the total number of cats, the number we will get is 60.

Assuming the total is x, representing this in equation form makes it:

x * 30% = 60

x = 60 / 30%

x = 200 cats in total

Put in order from least to greatest
89.03
98.03
9.83

Answers

Answer:

9.83

89.03

98.03

Step-by-step explanation:

Easy

Find the area of the figure

Answers

Answer:

40

Step-by-step explanation:

because 8 times 5 is 40

Answer:

49.82 cm²

Step-by-step explanation:

Answer attached..

Hope it helps ^_^

Manoj went to the shopping mall and saw the price list in the shoe store as mentioned below in
the table. Then, he decided to buy pair of casual shoes and formal shoes. So, he gave 4 notes of
Rs. 1000. He was returned 5 notes in denominations of Rs. 500 and Rs. 100. How many notes of
Rs. 500 and Rs. 100 did he get? Find out.
Type of Pair of Shoes
Price List
Casual Shoes
Rs.1,300
Formal Shoes
Rs. 1,800
Sports Shoes
Rs. 1,400​

Answers

Answer:

A Rs. 500 note, and four Rs. 100 notes.

Step-by-step explanation:

The cost of the two shoes = Rs.1,300 + Rs. 1,800

                                            = Rs. 3,100

He gave 4 notes of Rs. 1,000 = 4 x Rs. 1,000

                                                 = Rs. 4,000

Manoj's expected change = Rs. 4,000 - Rs. 3,100

                                           = Rs. 900

Since he was returned 5 notes in the denominations of Rs. 500 and Rs. 100, then;

Rs. 500 + Rs. 100 + Rs. 100 + Rs. 100 + Rs. 100 = Rs. 900

Therefore, Manaoj was returned a Rs. 500 note, and four Rs. 100 notes.

Linda is making a quilt for her granddaughter. She bought 3 1/4 yards of fabric. Her total cost was $10. What was the cost per yard?

(Complex fraction)

Answers

Answer:

13 /40

Step-by-step explanation:

Divide

13 over 4

13 /4  ÷ 10 = 13 over ( 4 × 10 )

13  over 4 × 10

= 13 over 40

13 /40

Find the length of the third side. If necessary, write in simplest radical form.
(screenshot provided)
no links please ;')

Answers

Answer:

the length of the third side (the hypotenuse) is 7

Step-by-step explanation:

Solve this by using the Pythagorean Theorem:

(2√10)² + 3² = (hypotenuse)²

Then (hypotenuse) = √(40 + 9) = √49 = 7

Answer:

7

Step-by-step explanation:

2 root 10 ^2 is 40

3 squared is 9

root of 49

Belinda has 7 pieces of wood. Each piece of wood measures 3/4 yards. How many yards of wood does she have all together?

Answers

Answer:

each wood is 3/4 and there is 7wood so it's 7*3/4

Step-by-step explanation:

7×3/4

=21/4

If mZADB = 15 then what is m ACB?
A
B
D

Answers

D Do you because you have to get it to equal 15
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