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3 years ago

Challenge to all the maths lover

Mathematics

1 answer:

RoseWind [281]3 years ago

6 0

Point(-5,3) after the 2 reflections would become (3,-5)

point (4,-2) after the 2 reflections becomes (2,4)

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Robert used 34 grams of iron filings in his second experiment. This is 16 grams more than twice the number of grams he used in h

sweet-ann [11.9K]

34=2x + 16

18=2x

x=9

Robert used 9 grams of iron filings in his first experiment.

3 0

3 years ago

Can someone explain how to convert a quadratic function in standard form to vertex form using the "complete the square" method?

Arisa [49]

The required steps are explained below to convert the quadratic function into a perfect square.

<h3>What is the parabola?</h3>

It's the locus of a moving point that keeps the same distance between a stationary point and a specified line. The focus is a non-movable point, while the directrix is a non-movable line.

Let the quadratic function be y = ax² + bx + c.

The first step is to take common the coefficient of x². We have

$\rm y = a \left (x^2 + \dfrac{b}{a}x \right) + c$

Add and subtract the half of the square the coefficient of x,

$\rm y = a \left (x^2 + \dfrac{b}{a}x + \dfrac{b^2}{4a^2} \right) - a \times \dfrac{b^2}{4a^2} + c$

Then we have

$\rm y = a \left (x + \dfrac{b}{a} \right)^2 - \dfrac{b^2}{4a} + c$

These are the required step to get the perfect square of the quadratic function.

More about the parabola link is given below.

brainly.com/question/8495504

#SPJ1

3 0

2 years ago

Help please! Ty! Ratios

Kamila [148]

Answer:

Ratios to roses to lilies....6:9

Reduced.....2:3

Step-by-step explanation:

Pretty simple doesn't need explaining

8 0

3 years ago

Five students divided 74 base ten rods equally among them. how many base ten rods were left over?

guajiro [1.7K]

1 rod was left over.

8 0

3 years ago

Read 2 more answers

jake added 1/8 cup of sunflower seeds and 4/5 cup of banana chips to his sundae. which is the best estimate of the total amount

bagirrra123 [75]

Jake added $\frac{37}{40}$ cup of toppings to his sundae.

Step-by-step explanation:

Given,

Amount of sunflower seeds added = $\frac{1}{8}\ of\ a\ cup$

Amount of banana chips added = $\frac{4}{5}\ of\ cup$

Total = Amount of sunflower seeds + Amount of banana chips

Total = $\frac{1}{8}+\frac{4}{5}$

Taking LCM = 40

$Total = \frac{5+32}{40}\\\\Total = \frac{37}{40}$

Jake added $\frac{37}{40}$ cup of toppings to his sundae.

Keywords: fraction, addition

Learn more about fractions at:

#LearnwithBrainly

7 0

3 years ago

Read 2 more answers