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MA_775_DIABLO [31]

3 years ago

12

Which cost less a 1,000 dollar computer discounted onto 20% then 10% or a 1,000 dollar computer discounted to 30% if that makes

sense

1 answer:

kykrilka [37]3 years ago

6 0

First one costs $720, second costs $700 so the second one the<span> 1,000 dollar computer discounted to 30%</span>

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The original price of a jacket was 72.50$ Maria used a coupon for 20% off to buy the jacket. How much did she pay before tax?

Afina-wow [57]

Answer: Maria payed $58.00 for her jacket BEFORE tax.

Step-by-step explanation:

To find the answer to this question, we must first multiply 72.50 by 0.20. After doing so, we get 14.5 (this is the sale money). Finally, we subtract $72.50-14.5 to get out answer, 58 dollars.

3 0

3 years ago

Determine the quadratic function f whose graph is given. The vertex is (1,-3) and y-intercept is -2

Nesterboy [21]

Answer:

Vertex form: $f(x)=(x-1)^2-3$

Standard form: $f(x)=x^2-2x-2$

Step-by-step explanation:

A quadratic function in vertex form is $f(x)=a(x-h)^2+k$ where $(h,k)$ is the vertex.

We are given $h=1,k=-3$ .

Let's plug that in:

$f(x)=a(x-1)^2-3$ .

Now let's find $a$ .

We will use the $y$ -intercept $(0,-2)$ to find $a$ .

$f(0)=a(0-1)^2-3$

$-2=a(0-1)^2-3$

$-2=a(-1)^2-3$

$-2=a(1)-3$

$-2=a-3$

$1=a$

So the function in vertex form is:

$f(x)=(x-1)^2-3$ .

In standard form, we will have to multiply and combine any like terms.

Let's do that:

$f(x)=(x-1)(x-1)-3$

$f(x)=x^2-x-x+1-3$

$f(x)=x^2-2x-2$

5 0

3 years ago

A metallurgist is designing an experiment to determine the effect of flux, base metal, and energy input on the hardness of a wel

Anastasy [175]

Answer: 24

Step-by-step explanation:

Given : A metallurgist wants to study four different fluxes, two different base metals, and three different amounts of energy input.

i.e. 4 different choices for fluxes.

2 different choices for base metals.

3 different choices for amounts of energy input.

If each run of the experiment involves a choice of one flux, one base metal, and one amount of energy input.

Then , the number of runs are possible :-

$4\times2\times3=24$

Hence, there are 24 different runs are possible .

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3 years ago

7<br> 3<br> ×<br> √<br> 7<br> as a single power of 7

andrezito [222]

Step-by-step explanation:

$first \: take \: square \: root \: of \: \sqrt{7} then \: multiply \: by \: 73 \: and \: you \: will \: get \: answer$

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2 years ago

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Explain what the number 0 on the gauge represents and explain what the numbers above 0 represent

DaniilM [7]

0 is 500mg and the numbers above are larger.

3 0

3 years ago