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3 years ago

Pls can anyone give me tips for studying when I'm high-school

Mathematics

1 answer:

dimulka [17.4K]3 years ago

5 0

Answer:

take a break from social media , find a peaceful spot to study ,be engaged , take notes and listen during discussion make use of ur extra time wisely

hope it's helpful 

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Jack burn 150 calories on his elliptical and 210 calories on the treadmill what is the ratio of calories burned on the elliptica

Montano1993 [528]

Answer:

5:7

Step-by-step explanation:

150:210

50:70

5:7

(Ratio has been simplified)

6 0

3 years ago

Use the parabola tool to graph the quadratic function f(x)=2x^2−8x+2.

garik1379 [7]

Answer:

(0, 2) and (2, -6), among other points!

Step-by-step explanation:

If all you need is two points, choose two values for x and plug them into the formula for the function.

$x=0 \Rightarrow 2(0)^2-8(0)+2=2$ so the point (0, 2) is on the graph.

$x=2 \Rightarrow 2(2)^2-8(2)+2=-6$ so the point (2, -6) is on the graph.

3 0

3 years ago

PLs help with these 2 problems

gavmur [86]

The expressions are simplified to 2x and $\frac{2}{(x+ 1)(x - 1)}$

<h3>How to simply the expressions</h3>

Given the expression;

$\frac{8x^2 - 4x}{4x - 2}$

Let's factorize the numerator;

$\frac{2x( 4x - 2)}{4x - 2}$

Factor the common terms, we have;

2. $\frac{1}{x-1} - \frac{2}{x} + \frac{1}{x + 1}$

Find the Lowest common multiple

$\frac{x(x+ 1) - 2 (x+ 1)(x - 1) + x(x-1)}{x(x-1)(x+ 1)}$

expand the brackets

$\frac{x^2 + x -2(x^2 -x + x -1) + x^2 -x}{x(x-1)(x+ 1)}$

$\frac{x^2+x - 2x^2 -2 + 2x + 2 + x^2 - x}{x(x+1) (x -1)}$

collect like terms

$\frac{2x}{x(x+ 1) (x-1)}$

Divide common terms

$\frac{2}{(x+ 1)(x - 1)}$

Thus, the expressions are simplified to 2x and $\frac{2}{(x+ 1)(x - 1)}$

Learn more about algebraic expressions here:

brainly.com/question/4344214

#SPJ1

7 0

2 years ago

the figures above are similar. Find the missing length . show your work. 1. is 5" x 3" the other is 3" by ?

Oxana [17]

If one is 5"x3", and the other having the same orientation is 3"x?, then
by similar figures,
5/3=3/x
cross multiply,
5x=3*3
x=9/5=1.8"

With the original figure, it is possible to validate the above answer.

8 0

4 years ago

15 _ { 10 } + X _ { 2 } = 11011 _ { 2 }

KatRina [158]

11011₂ = 2⁴ + 2³ + 2¹ + 2⁰ = 27

15 + x₂ = 27

x₂ = 12 = 8 + 4 = 2³ + 2² = 1100₂

5 0

3 years ago

Pls can anyone give me tips for studying when I'm high-school ​

Pls can anyone give me tips for studying when I'm high-school