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3 years ago

Maria has 3 friends and they have 1200 card to share how many will each get

Mathematics

2 answers:

Stella [2.4K]3 years ago

6 0

1200 divide by 3 friends = 400
answer= 400

labwork [276]3 years ago

4 0

Each will get 400 if you divide 1200 by 3

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Someone please help I will give BRAINLIST I’m exhausted

Aliun [14]

Answer:

4x - 4

Step-by-step explanation:

Add up all common numbers and then subtract from the total amount.

Hope it helps :))

6 0

3 years ago

Need help with this math question

anastassius [24]

Answer:

The vertex is: $(6, 8)$

Step-by-step explanation:

First solve the equation for the variable y

$x^2-4y-12x+68=0$

Add 4y on both sides of the equation

$4y=x^2-4y+4y-12x+68$

$4y=x^2-12x+68$

Notice that now the equation has the general form of a parabola

$ax^2 +bx +c$

In this case

$a=1\\b=-12\\c=68$

Add $(\frac{b}{2}) ^ 2$ and subtract $(\frac{b}{2}) ^ 2$ on the right side of the equation

$(\frac{b}{2}) ^ 2=(\frac{-12}{2}) ^ 2\\\\(\frac{b}{2}) ^ 2=(-6) ^ 2\\\\(\frac{b}{2}) ^ 2=36$

$4y=(x^2-12x+36)-36+68$

Factor the expression that is inside the parentheses

$4y=(x-6)^2+32$

Divide both sides of the equality between 4

$\frac{4}{4}y=\frac{1}{4}(x-6)^2+\frac{32}{4}$

$y=\frac{1}{4}(x-6)^2+8$

For an equation of the form

$y=a(x-h)^2 +k$

the vertex is: (h, k)

In this case

$h=6\\k =8$

the vertex is: $(6, 8)$

5 0

3 years ago

What is the result when we simplify the expression

Ostrovityanka [42]

Answer:

Step-by-step explanation:

Here you go mate

Step 1

(1+1x)(1-2x+1)(1+2x-1) Equation/Question

Step 2

(1+1x)(1-2x+1)(1+2x-1) Remove parenthesis

-2x^2+2-4x^3+4x+2x^2-2

Step 3

-2x^2+2-4x^3+4x+2x^2-2 Simplify

-4x^3+4x

Answer

-4x^3+4x

Hope this helps

7 0

3 years ago

Read 2 more answers

Represent the geometric series using the explicit formula.

user100 [1]

Answer: $f(n)=12(-3)^{(n-1)}$

Step-by-step explanation:

The Explicit formula in function notation for a geometric series is:

$f(n)=f(1)r^{(n-1)}$

Where $f(n)$ is the nth term of the sequence, $f(1)$ is the first term in the sequence and $r$ is the common ratio.

Given the following geometric serie:

$12, -36, 108, -324...$

The common ratio is:

$r=\frac{-36}{12}=-3$

And the first term is:

$f(1)=12$

Therefore, substituting values, we get that the Explicit formula that represents this geometric series is:

$f(n)=12(-3)^{(n-1)}$

3 0

4 years ago

A store sells two brands of hand lotion. Brand X costs $3.25 for 5 fluid ounces.

olga_2 [115]

Answer:

$\frac{3,25}{5}=0,65 \\$ for brand x for 1 fluid ounces

$\frac{6}{8}=0,75$ for brand y

0,75-0,65=0,1

Brand x costs $0,1 less

Step-by-step explanation:

3 0

3 years ago