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alina1380 [7]
3 years ago
5

How to expand

{2} )" alt="in( x^{2} y ^{2} )" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
maksim [4K]3 years ago
5 0
You have to, use distributive property my dood
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Find the sum of the first 39 terms of the following series, to the nearest integer<br> 7,15,23,...
sertanlavr [38]

Answer:

6201

Step-by-step explanation:

formula for series in AP

where n is the nth term and a is first term and d is difference between two terms in series sum = \frac{n}{2} (2a \:  + (n - 1)d)

4 0
3 years ago
Monica paid sales tax of 1.50$ when she bought a new bike helmet.if the sales tax rate was 5% how much did the store charge for
Molodets [167]
You would -7 cents from the 1.50 so it was 1.43
8 0
3 years ago
SOMEONE PLEASE HELP I CANT GET IT
AnnyKZ [126]
Answer:
y=3x+9

Explanation:
To answer this question, we first have to understand a few key concepts.

1) The equation given (y=3x+9) is written in slope-intercept form, which is y=mx+b.

Heres what the variables mean:
Y=the coordinate
M=the slope
X=the x coordinate
B=the y-intercept (the point on the line that intercepts the y-axis)

2) Parallel lines have the same slope. Using the given equation, we now know that the slope of line s is 3. Therefore, the slope of line t is also 3 (because they are parallel).

So now, this is our equation so far:
y=3x+b

All we need to do now is find b, which we can do by plugging in the coordinate (-6,-9) as the x and y variables.

y=3x+b
-9=3(-6)+b
-9=-18+b
Add 18 to both sides
-9+18=-18+b+18
9=b

And when we plug 9 into y=3x+b, we get:
y=3x+9

(And yes, they are pretty much the same line)

I hope this helps! Please comment if you have any questions.
5 0
4 years ago
pregunta de matematica conteste verdadero o falso el siguiente enunciado : En una razón escrita como fracción el numerador recib
Fantom [35]

Answer: falso.

Step-by-step explanation:

En una fracción, el antecedente siempre es el dividendo (también llamado numerador) y el consecuente es el divisor (también llamado denominador)

Es decir, de momento la parte de: "En una razón escrita como fracción el numerador recibe el nombre de antecedente y el denominador recibe el nombre de consecuente el denominador..."

Es verdadera.

El problema en el enunciado es:

"... el denominador puede ser cualquier número"

Esta parte es falsa, el denominador no puede ser 0.

Entonces el denominador no puede ser cualquier número, y así podemos concluir que el enunciado:

" En una razón escrita como fracción el numerador recibe el nombre de antecedente y el denominador recibe el nombre de consecuente el denominador puede ser cualquier número"

Es falso.

"

7 0
3 years ago
Using the slope formula for the points (1,5) and (2,-2), what would the denominator be?
suter [353]

Answer:

-7

Step-by-step explanation:

The slope formula is (y1 - y2) / (x1 - x2).

In this question we have two points: (1,5) and (2,-2).

x1 = 1

y1 = 5

x2 = 2

y2 = -2

then, plug in these numbers into the slope formula

(5-(-2))/(1-2) = 7 / -1 = -7

3 0
3 years ago
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