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posledela
2 years ago
12

The cost, y, of red apples can be represented by the equation y = 2x, where x

Mathematics
1 answer:
Whitepunk [10]2 years ago
3 0

Answer:

C. Green apples

Step-by-step explanation:

Correct me if I’m wrong

<em>#KeepOnLearning</em>

<em>#StaySafe</em>

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B

Step-by-step explanation:

This is a really simple topic. All you need to do when seeing these ordered pairs is see which has x-values that don't repeat. Over here, we can see that that is B, so B is the correct option.

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How to find the square root
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Answer:

Step-by-step explanationPaso 1

1 Si el radicando tiene más de dos cifras separamos las cifras en grupos de dos, empezando por la derec2 Calculamos la raíz cuadrada entera o exacta, del primer grupo de cifras por la izquierda, ha.3 El cuadrado de la raíz obtenida 2 (es decir 4) se resta al primer grupo de cifras que aparecen en el radicando Bajamos el siguiente grupo de cifras del radicando, separando del número formado (492) la primera cifra a la derecha (2) y dividiendo lo que resta entre el doble de la raíz 2, es decir 2(2)=4.  5En otra fila debajo de la raíz colocamos el doble de la misma (4). A continuación, se coloca el cociente que se obtenga (9) . Y luego el número obtenido (49) se multiplica por dicho cociente (9). Después, se resta (441) a la cantidad operable (492) del radicando.  El cociente obtenido (9) es la segunda cifra de la raíz, quedando (29) Bajamos el siguiente par de cifras y repetimos los pasos anteriores.

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8 0
3 years ago
ASAP HELP FOR NUMBER 13!!
horrorfan [7]
Problem 13a

Each column of the table represents an (x,y) pairing. The first column has x = 0 and y = 2 so (0,2) is one point on this line. Since x = 0 here, this means that we have the y intercept. The y intercept is 2. We'll use this later.

Another point on this line is (3,8) which is drawn from the second column.

Use the two points (0,2) and (3,8) to find the slope m
m = (y2-y1)/(x2-x1)
m = (8-2)/(3-0)
m = 6/3
m = 2

Since the slope is 2 and the y intercept is 2 (see above), this means m = 2 and b = 2

Plug those into y = mx+b and we get y = 2x+2

Answer: y = 2x+2

==============================================
Problem 13b

(0,20) is on the line as the first column shows. The y intercept is 20 since x = 0 here. So b = 20

Another point on this line is (3,8) as drawn from the second column

Slope: 
m = (y2-y1)/(x2-x1)
m = (8-20)/(3-0)
m = -12/3
m = -4

Use the slope (m = -4) and the y intercept (b = 20) to get...
y = mx+b
y = -4x+b ... replace m with -4
y = -4x+20 ... replace b with 20

Answer: y = -4x+20

==============================================
Problem 13c

(2,5) and (4,8) are on the line. These two points are drawn from columns 1 and 2 respectively.

Slope
m = (y2-y1)/(x2-x1)
m = (8-5)/(4-2)
m = 3/2
m = 1.5

Note: the fraction 3/2 is equivalent to the decimal form 1.5

Use the slope m = 1.5 along with (x,y) = (2,5) to find the value of b
y = mx+b
y = 1.5x+b ... m is replaced with 1.5
5 = 1.5*2+b ... plug in (x,y) = (2,5)
5 = 3+b
5-3 = 3+b-3
2 = b
b = 2

So we can now update y = mx+b to y = 1.5x+2

Answer: y = 1.5x+2

Note: If your teacher wants a fraction instead of a decimal (for the slope), then you would write y = \frac{3}{2}x+2
==============================================
Problem 13d

(0,20) is on the line. So the y intercept is 20, indicating that b = 20

(3,11) is also on the line

Again as done with 13a-13c, I'm only looking at the first two columns. 

Slope
m = (y2-y1)/(x2-x1)
m = (11-20)/(3-0)
m = -9/3
m = -3

Therefore
y = mx+b
turns int
y = -3x+20
after replacing m and b with the values we found earlier

Answer: y = -3x+20
6 0
3 years ago
Could you give me the steps to find the value of x in this figure? Worth 11 points!
vladimir2022 [97]
The angles x and 55.1 degrees are COMPLEMENTARY ANGLES. Please look up that term if necessary.

Subtract the angle 55.1 degrees from ( what? ) to obtain angle x. 
6 0
3 years ago
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