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grandymaker [24]
3 years ago
14

In the xy

Mathematics
1 answer:
Olin [163]3 years ago
3 0
The equation for a perpendicular line through the origin can be written by swapping the x- and y-coefficients and negating one. When you do that, you get ...
   C. 2x + 5y = 0

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The ratio of taxes to profits is 7:3. Find the amount of taxes if the taxes and profits total $1000.
Masteriza [31]

Answer:

$700

Step-by-step explanation:

Given:

The ratio of taxes to profits is 7:3.

The taxes and profits total $1000.

Question asked:

Amount of taxes = ?

Solution:

Let ratios = x

And amount of taxes = 7x

Then amount of profit = 3x

Sum of amount of taxes and profits = $1000.(given)

                                                           = 7x + 3x = 1000\\= 10x = 1000\\

by dividing both side by 10

                                                         x = 100

Thus, amount of taxes = 7x = 7\times100 = 700

Thus, amount of profits = 3x = 3\times100 = 300

4 0
3 years ago
A baker is calculating the charge for two types of cookies. what formula tells the cost, in dollars, if chocolate chip cookies a
JulsSmile [24]

Answer: Each dozen of chocolate chip cookies costs $1.50/dozen. So if you sell C dozens of them, you win C*$1.50 dollars, where C is a positive integer number. Similar case for the lemon ones, the baker will win L*$1.00 dollars if he sells L dozens of them ( where L is a positive integer), the total charge is the sum of both parts; T = L*$1.00 + C*$1.50.

7 0
3 years ago
Read 2 more answers
QUESTION 20
Elodia [21]

Answer:

B. -55

Step-by-step explanation:

La resta entre ambas funciones consiste en la sustracción de términos semejantes como demostraremos a continuación:

1) f(x) =-2\cdot x ^{2}-6 Dado

2) g(x) = x+4 Dado

3) (f-g)(x) = (-2\cdot x^{2}-6)-(x+4) Definición de resta de funciones.

4) (f-g)(x) = (-2\cdot x^{2}-6)+(-1) \cdot (x+4)        (-1)\cdot a = -a

5) (f-g)(x) = (-2\cdot x^{2}-6) + (-x-4) Propiedad distributiva/(-1)\cdot a = -a

6) (f-g)(x) = -2\cdot x^{2}-x+(-6-4) Propiedad conmutativa

7) (f-g) (x) = -2\cdot x^{2}-x-10 Sustracción de términos semejantes/Resultados.

A continuación, evaluamos la función resultante en x = -5:

(f-g)(-5) = -2\cdot (-5)^{2}-(-5)-10

(f-g)(-5) =-55

Por ende, la respuesta correcta es B.

8 0
3 years ago
8 percent of what number is 2
Sedbober [7]
8%×n=2. 2÷8/100=2×100/8=100/4=25. so the answer is 25.
5 0
3 years ago
What is the slope of the line that is perpendicular to the line that goes through the two points (-8, 3) and (4, 27)?
Mademuasel [1]

Answer:

-1/2 or -0.5

negative half

Step-by-step explanation:

slope of regular line= (y1-y2) / (x1-x2)

(27-3) / (4 - -8)

24 / (4+8)

24 / 12 = 2

the slope of a perpendicular line is the negative reciprocal

the negative reciprocal of positive 2/1 (2 as a fraction) is:

negative half: -1/2 or -0.5

8 0
3 years ago
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