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Contact [7]
3 years ago
10

Please help me on this for brainliest

Mathematics
2 answers:
natulia [17]3 years ago
5 0

Answer:

B. 4.3

Step-by-step explanation:

Goshia [24]3 years ago
3 0
The answer is B: 4.3
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Please help me if you can. Please also write how you got the answer thank you.
vlabodo [156]

Answer:

1 <= n <= 3

Step-by-step explanation:

draw a line from the upper point to the lower number line

draw a line from the lower point to the upper number line

thats what n can be

7 0
3 years ago
Arnold wants to see if people who complete his weight-training program see an average change in their percent body fat. To test
Mandarinka [93]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

Hypotheses:

H_0: \mu_1 = \mu_2 \\\\H_a: \mu_1 \neq \mu_2\\

Test statistic:

t= \frac{\bar{X}-\bar{Y}}{\frac{s_d}{\sqrt{n}}}

  =\frac{32.8–27.7}{\frac{5.6}{\sqrt{30}}}\\\\=4.988

Critical value: t* = 2.045

t > 2.045

Reject H_o then

The data shows their weight training course the overall difference in their percentage the fats.

8 0
3 years ago
¿Cuántas cifras tiene el número quinientos cincuenta y cinco mil? Respuesta: ____________ CM DM UM C D U NÚM. DE CIFRAS
Burka [1]

Answer:

6 cifras.

Step-by-step explanation:

Siempre que tengamos un numero que termina en "mil", entonces la primer parte la escribimos y luego ira una coma:

por ejemplo, en "ciento once mil trecientos catorce"

lo separamos en:

"ciento once mil" y "trecientos catorce"

y lo escribimos como:

"ciento once" , "trecientos catorce"

111,314

Ahora que definimos esto, vamos a nuestro problema.

Tenemos el numero "quinientos cincuenta y cinco mil"

El cual podemos escribir como:

555,000

Ahora simplemente podemos contar las cifras, tenemos 6.

las cuales son:

Cientos de miles = CM = 5

Decenas de miles = DM = 5

Un miles = UM = 5

Cientos = C = 0

Decenas = D = 0

Unidades = U = 0

4 0
3 years ago
At her archery lessons, Tess has a 90% chance of getting a bull's eye. Unfortunately, there is only a 40% chance that her
zepelin [54]

Answer:

Step-by-step explanation

2. you gave that there is a 40% chance that her instructor will be watching, which means that there is a 60% chance he will not be watching (100% - 40%).

3. you gave that there is a 90% chance of making a bull's eye, and 40% chance the instructor will be watching

since those two events are independent of each other, the chance of both of them happening is the product of the two chances, namely 0.9 x 0.4 = 0.36, or 36%

6 0
3 years ago
PLS HELP... 10 POINTS ASAP
GenaCL600 [577]

Answer:

b, 24

Step-by-step explanation:

b

1:3

6:18

6+18=24

I GOTCHU HOMIE

5 0
3 years ago
Read 2 more answers
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