MATHEMATICS HIGH SCHOOL

The answer to 11 pleasee?

Answers

Answer 1

Answer:

Answer:

d 34

Step-by-step explanation:

If M is the midpoint, then

AM = MB

4x+18 = 3x+22

Subtract 3x from each side

4x-3x+18 = 3x-3x+22

x+18 = 22

Subtract 18 from each side

x+18-18 = 22-18

x = 4

But we need to find BM

BM = 3x+22

= 3(4)+22

12+22

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What is the slope of a line that passes through the points (1, -2) and (-3, -6)? Slope = (y2 - y1)/(x2 - x1); = (-6 - 5)/(-2 + 3); = -11/1; = -11

Answers

(x,y)
(1,-2)
(-3,-6)
x1=1
y1=-2
x2=-3
y2=-6

slope=(-6-(-2))/(-3-1)=(-6+2)/(-4)=-4/-4=1
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An arc of a circle measures 80 degrees and the length of 88pie cm. what is the diameter?

Answers

If 80° ------> 88π cm
Then 360° ------> x cm

So:

x = (88π x 360) ÷ 80
x = 396 π (lenght of the circle)

The relationship of Lenght of circle and its diameter is:

L = d .π

replacing L:
396 π = d.π ----> d = 396 cm <---- here is your answer

-9(m + 2) + 4(6 – 7m)

Answers

I think it is -37m+17 but I am not sure

Recall, $\pi$ is defined as the ratio of the circumference (say c) of a circle to its diameter (say d). That is, $\pi$ =c/d. This seems to contradict the fact that $\pi$ is irrational. How will you resolve this contradiction?

Answers

Though $\pi$ = $(c)/(d)$ , it is an approximate value. As we get an approximate value and not a fixed one, there is no contradiction. Mathematically,
$(c)/(d)$ = $(2 \pi r)/(2r)$ = $\pi$ .
Hence, no contradiction.

Yes, it is true that π = c / d . However, note here that c or the circumference is known by the equation c = 2πr. In finding the circumference, we take value of pi approximately, and hence there is no contradiction. However, even if the circumference is accurate, it will be an irrational number. Recall that an irrational number operated in any way results again into an irrational number.

Un técnico de reparaciones de electrodomésticos cobra 25 € por la visita, más 20 € por cada hora de trabajo. A) Escribe la expresión algebraica (fórmula) que nos da el dinero que le tenemos que pagar en total de acuerdo con el tiempo que esté trabajando

Answers

Answer:

x= 25+20y

Step-by-step explanation:

De acuerdo a la situación planteada, la expresión algebraica debe indicar que 25€ que es el valor por la visita más 20€ multiplicado por el número de horas trabajadas es igual al dinero total que se debe pagar. La expresión es:

x= 25+20y, donde

x= valor total a pagar

y= número de horas trabajadas

Consider this statement:for every 2 boys, there are 4 girls.do you agree with the statement?

Answers

yes, because the ratio would be 1 boy for every 2 girls, meaning 2 boys for 4 girls would make sense. they could be trying to trick you, but I think it's correct. It's not fully simplified but it still is accurate

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