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4 years ago

Evaluate. 1+5x3 _____ 2 •8 •9 •16 •18

Mathematics

2 answers:

anzhelika [568]4 years ago

7 0

The answer to this question is 8

Lisa [10]4 years ago

4 0

Hey there!

Assuming you meant: $\frac{1+5*3}{3}$

If so, follow these steps to solve your equation..............

$\frac{1+5(3) }{2} \\ \\ 5(3) = 15 \\ \\ \frac{1+15}{2} \\ \\ 1 + 15 = 16 \\ \\ \frac{16}{2} = 8 \\ \\ \\ Answer: 8$

Good luck on your assignment and enjoy your day!

~ $LoveYourselfFirst:)$

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12a2 + 4b for a = 8 & b = -6. PLease help

ololo11 [35]

Answer:

744

Step-by-step explanation:

12a^2 + 4b

Plug-in:

12(8)^2 + 4(-6)

12(64) + 4(-6)

768 - 24

744

4 0

3 years ago

Simplify completely''''

34kurt

Answer:

$\displaystyle \frac{2(x + 3)}{5x - 2}$

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

Step-by-step explanation:

Step 1: Define

$\displaystyle \frac{2x^2 + 16x + 30}{5x^2 + 13x - 6}$

Step 2: Simplify

[Fraction] Factor numerator: $\displaystyle \frac{2(x + 3)(x + 5)}{5x^2 + 13x - 6}$
[Fraction] Factor denominator: $\displaystyle \frac{2(x + 3)(x + 5)}{(x + 3)(5x - 2)}$
[Fraction] Divide: $\displaystyle \frac{2(x + 3)}{5x - 2}$

8 0

3 years ago

Solve 196x2 + 25 = 0 by using square roots.

Paraphin [41]

Sq of 196 is 14 then x2 = 28 then 25= 5

4 0

3 years ago

Kayla buys two pairs of jeans for j dollars each and one shirt for 15 dollars. she has 60 dollars to spend. The equation 2j+ 15-

weeeeeb [17]

Kayla buys two pairs of jeans for j dollars each and one shirt for 15 dollars. The cost of one pair of jeans is $22.5 (twenty-two dollars and fifty cents)

From the given information

Let the cost of two pairs of jeans be 2j
The cost of 1 shirt = 15
Total amount to spent = $60

∴

The equation is said to be expressed as:

2j + 15 - 60 = 0

Collect like terms

2j = 60 - 15
2j = 45

Divide both sides by 2

$\mathbf{\dfrac{2j}{2}= \dfrac{45}{2}}$
j = 22.5

Therefore, we can conclude that the cost of one pair of jeans is $22.5 (twenty-two dollars and fifty cents).

Learn more about cost here:

brainly.com/question/13910351?referrer=searchResults

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3 years ago

Write the following numbers correct to one significant figure a) 7682 b)0.07682

malfutka [58]

Answer:

a) 8 x 10^3 or 8000

b) 8 x 10^-2 or .08

Explanation: Refer to a guide on rounding sig figs

3 0

3 years ago