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4 years ago

I need help with this question please help I'm very stuck

Mathematics

2 answers:

vesna_86 [32]4 years ago

7 0

Answer:

Step-by-step explanation:

turn them both into a top heavy fraction

so 31/6 and 16/7

then times them together so its 496/42

then turn it back into a mixed number 11 34/42

that should be the answer can u help me with my questions please

natima [27]4 years ago

3 0

Answer:

14 9/10

Step-by-step explanation:

2 2/7 times 2 = 4.57

5 1/6 times 2 = 10.33

10.33 + 4.57 = 14.90

14.90 as a fraction is 14 9/10

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Bine like terms. 7 – 64 – 5x3 – 1 + x3 – 7 – 2y PLS HURRY

navik [9.2K]

Answer:

-4x³ - 8y - 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

Identify

7 - 6y - 5x³ - 1 + x³ - 7 - 2y

Step 2: Simplify

[Addition] Combine like terms (x³): -4x³ + 7 - 6y - 1 - 7 - 2y
[Subtraction] Combine like terms (y): -4x³ - 8y + 7 - 1 - 7
[Subtraction] Combine like terms: -4x³ - 8y - 1

6 0

3 years ago

(2x^2-33x+16) divided by (x-16)

jolli1 [7]

I took me a while I got it
it's 2x−1

5 0

4 years ago

6x²-7x=20 solve the following quadratic equation

anyanavicka [17]

Answer:

x = -4/3 and x = 5/2.

Step-by-step explanation:

6x² - 7x = 20

6x² - 7x - 20 = 0

To solve this, we can use the quadratic formula to solve this.

[please ignore the A-hat; that is a bug]

$\frac{-b±\sqrt{b^2 - 4ac} }{2a}$

In this case, a = 6, b = -7, and c = -20.

$\frac{-(-7)±\sqrt{(-7)^2 - 4 * 6 * (-20)} }{2(6)}$

= $\frac{7±\sqrt{49 + 80 * 6} }{12}$

= $\frac{7±\sqrt{49 + 480} }{12}$

= $\frac{7±\sqrt{529} }{12}$

= $\frac{7±23 }{12}$

$\frac{7 - 23 }{12}$ = $\frac{-16 }{12}$ = -8 / 6 = -4 / 3

$\frac{7 + 23 }{12}$ = $\frac{30}{12}$ = 15 / 6 = 5 / 2

So, x = -4/3 and x = 5/2.

Hope this helps!

4 0

3 years ago

Read 2 more answers

My grandmother recipe for muffins calls for 4 tsp baking powder and 2.5 c of flour how much baking powder will be needed if i us

Korvikt [17]

Answer:

Step-by-step explanation:

15/2.5=6

multiply 4 by 6 and you get 24.

3 0

3 years ago

Which expression is equivalent to the phrase shown below? 7

EastWind [94]

The answer is actually cube A

8 0

3 years ago