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Maurinko [17]
3 years ago
9

In the figure above, solve for x and y.

Mathematics
1 answer:
Naddik [55]3 years ago
5 0

Answer:

x = 34°

y = 15

Step-by-step explanation:

x + 146 = 180

x = 34°

4y + 8 + 5y + 3 + 34 = 180

9y + 45 = 180

y = 15

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My brother is 5 years older than me. My sister is 3 years younger than me. How old was my brother when my sister was m years old
LenaWriter [7]

hmmmm

b = brother

s = sister

a = my age


so your brother is 5 years older, b = a + 5.

and your sister is 3 years younger, s = a - 3.

that means your sister is


\bf \begin{cases} b=a+5\implies b-5=\boxed{a}\\ s=a-3\\[-0.5em] \hrulefill\\ s=\boxed{b-5}-3\implies s=b-8 \end{cases} \\\\\\ \stackrel{\textit{if your sister is "m" years old, say s = m}}{m=b-8}\implies \blacktriangleright m+8=b \blacktriangleleft

7 0
3 years ago
The temperature fell 12 degrees over 4 hours. What was the average change in temperature per hour?
Artist 52 [7]

The average change is 3 degrees per hour.

To calculate the average of any data we have to divide the change by the time taken for that change.

let us suppose there is a data 4,5,6,7 and 8.

Average of the data will be the sum of data divided by the number of terms.

Average=\frac{4+5+6+7+8}{5}

            =\frac{30}{5}

            = 6

So now we will calculate the average change in temperature per hour,

Given that there is a fall of 12 degrees in 4 hours.

Average change per hour=\frac{12}{4}

                                        = 3 degrees per hour

So, the required change is 3 degrees per hour.

To learn more about average visit the link:

brainly.com/question/12322912

#SPJ9

5 0
2 years ago
Which of the following is not part of testing a hypothesis?
Tomtit [17]
<span>the answer is b. making a theory </span>
3 0
3 years ago
Between which two consecutive whole numbers does the root of 59 lie​
IrinaK [193]

Answer:

Step-by-step explanation:

¿Entre que números naturales consecutivos se encuentra cada raíz?

Bueno en este caso debes empezar por el 1 en adelante, pero solo sucede en números impares consecutivos. Solamente debes sumar 1,3,5,7,9,11,13,15,17,19 ..... en adelante, y en cada suma de cada sucesión encontraras un cuadrado. Ojo solo sumando en orden, tampoco sumarás 3+9, ya que te dará 12 y 12 No tiene raíz.

1+3=4,√4=2

4+5=9, √9=3

9+7=16, √16=4

16+9=25, √25=5

25+11=36, √36=6

36+13=49, √49=7

49+15=64, √64=8

64+17=81, √81=9

81+19=100, √100=10

............................................................................................................

A SI CONSECUTIVAMENTE SIEMPRE OBTENDRÁS CADA RAÍZ  

¿Entre que números naturales consecutivos se encuentra cada raíz?

R= En los número impares consecutivos, comenzando por el 1 en adelante.

8 0
3 years ago
At the market, 2.4 pounds of carrots cost $1.68 and 1.8 pounds of broccoli cost $1.53. How much more does 1 pound of broccoli co
Greeley [361]

For calculating that, you have to find the unit rate first;

2.4 pound carrot = $1.68

1 pound carrot = $1.68/2.4 = $0.7

1.8 pound broccoli = $1.53

1 pound broccoli = $1.53/1.8 = $0.85

So, it would be = $0.85 - $0.7 = $0.15

SO, YOUR ANSWER IS $0.15

5 0
4 years ago
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