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4 years ago

X3 - 10 = And x is 6

Mathematics

2 answers:

Marysya12 [62]4 years ago

7 0

X = 18 think of it this way what can you multiply by 3 that if you take 10 away would equal the answer to your equation

shtirl [24]4 years ago

4 0

Answer:8

Step-by-stop explanation: (6) x 3 will be 18 - 10 = 8

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write your answer in simplest form (also I'm posting a bunch of questions and I'll mark y'all branliest for answering them)

Svetlanka [38]

Answer:

Answer is 3.5

Step-by-step explanation:

10.5:3=3.5

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3 years ago

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Katie bought 4 sweaters that each cost the same amount and 1 skirt that cost $20 .the items she bought cost a total of $160 befo

lorasvet [3.4K]

In order to solve this you first need to take $20 subtracted from 160 that leaves you with 140 next because she bought 4 sweaters you need to divide your remaining cash spent by 4 to get a total of $35 a sweater.

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3 years ago

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Find the first five terms of each sequence. aₙ=5-a n₋₁ , where a₁ = 1

laila [671]

The first five terns of the sequence are - 1,4,1,4,1

<h3>What is a sequence?</h3>

A sequence is an enumerated group of items in mathematics where repetitions are permitted and order is important. It has members, just like a set does. The length of the sequence is determined by the number of items.

an = 5 - a n-1

a1 = 1

a2 = 5 - (1) = 4

a3 = 5 - (4) = 1

a4 = 5 - (1) = 4

a5 = 5 - (4) = 1

To learn more about sequences from given link

brainly.com/question/7882626

#SPJ4

7 0

1 year ago

During one week, Josh ran 36 miles, Corey ran 26 miles, Rhona ran 30 miles, and Lyndsay ran 28 miles. What is the mean distance

wolverine [178]

B.) 30 miles

You needed to add all the numbers together then divide by the amount of numbers there which is 4. (ex: 36 + 26 + 30 + 28 = 120 120÷4= 30)

hope that helps!

6 0

3 years ago

Simplify the fraction and state the excluded value(s).

stira [4]

Answer:

$\displaystyle \frac{7x^2 + 4x - 20}{5x + 10} = \frac{7x - 10}{5}, x \neq -2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Terms/Coefficients

Factoring

Calculus

Discontinuities

Removable (Holes)
Jump (Piece-wise functions)
Infinite (Asymptotes)

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{7x^2 + 4x - 20}{5x + 10}$

Step 2: Simplify

[Frac - Numerator] Factor quadratic: $\displaystyle \frac{(7x - 10)(x + 2)}{5x + 10}$
[Frac - Denominator] Factor GCF: $\displaystyle \frac{(7x - 10)(x + 2)}{5(x + 2)}$
[Frac] Divide/Simplify: $\displaystyle \frac{(7x - 10)}{5}, x \neq -2$

When we divide (x + 2), we would have a removable discontinuity. If we were to graph the original function, we would see at x = -2 there would be a hole in the graph.

8 0

3 years ago