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3 years ago

A packet contains 1.5kg of oats.

Mathematics

2 answers:

Wittaler [7]3 years ago

6 0

1.5 kg = 1500g
1500÷50=30 days

the packet of oats last 30 days.

Vlad1618 [11]3 years ago

4 0

1.5kg is 1500 grams.
Maria uses 50g a day, so to know how many days takes eating the whole packet just divide 1500 by 50.

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which shows the correct substitution of the values a, b, and c from the equation 0 = – 3x2 – 2x 6 into the quadratic formula? qu

zubka84 [21]

-3x^2-2x (+-)6=0
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3 years ago

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yaroslaw [1]

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3 years ago

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LenaWriter [7]

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Step-by-step explanation:

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3 years ago

Question 1 of 10

Archy [21]

Answer:

A. y = 7(x + 1)²-3

Step-by-step explanation:

Parabola:

$y = 7x^{2} + 14x + 4$

$y = 7(x^{2} + 2x) + 4$

Putting into vertex form, remember that:

$(x + a)^{2} = x^{2} + 2ax + a^{2}$

In this question:

$x^{2} + 2x$ , to put into this format:

$x^{2} + 2x + 1 = (x + 1)^{2}$

We add one inside the parenthesis to do this. The parenthesis is multiplied by 7, so for the equivalent, we also have to subtract 7. Then

Vertex form:

$y = 7(x^{2} + 2x + 1) + 4 - 7$

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So the correct answer is:

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3 0

3 years ago

Solve the simultaneous equations using elimination method. 4x – 3y = 1 x + 3y =

babymother [125]

Answer:

$x=\frac{1}{5}$

$y = -\frac{1}{15}$

Step-by-step explanation:

4x - 3y = 1

x + 3y = 0

Req To Solve With Elimination:

Make Them Equal:

-> 4x - 3y = 1

-> 4x + 4 . 3y = 0

Simplify:

-> 4x - 3y = 1

-> 4x + 12y = 0

-> 4x - 4x - 3y - 12y = 1

-> -3y - 12y = 1

-> -15y = 1

-> $y = -\frac{1}{15}$

-> $x+3(-\frac{1}{15} )=0$

-> $x -\frac{1}{5}=0\\$

-> $x=\frac{1}{5}$

Please Mark As Brainliest

8 0

3 years ago

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