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love history [14]
3 years ago
7

Camille is working on her homework.she spends 20% of her total homework time on Science. If she spends 18 minutes working on Sci

ence, how many minutes dose she spend on her homework in all?
Mathematics
1 answer:
ZanzabumX [31]3 years ago
5 0

Answer:

90 minutes or 1 hour and 30 minutes

Step-by-step explanation:

If 18 minutes is 20% of the work time then you will have to get the 20% to 100% so i divided 20 by 100 and that got me 5 so I put 5 times 18 then that got me 90.

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What’s the volume of the cone if the height is 7 cm and the base it 10 cm
pogonyaev

Answer:

23.3333333333...

Step-by-step explanation:

10 x 7 = 70

70/3 = 23.333333333...

5 0
3 years ago
Which of the following are​ true? If​ false, explain briefly.​a) A​ P-value of 0.01 means that the null hypothesis is false.​b)
choli [55]

Answer:

a) false

b) true

c) false

d) false

Step-by-step explanation:

a) p-value is compared with test statistic to either accept or ereject the null hypothesis. There is no fixed p-value to reject the null hypothesis

b) p-value tells us the probabiltiy of finding null hypothesis to be true

c) There is no fixed p-value for nullyfying the the null hypothesis

d) There is no fixed p-value to reject the null hypothesis

6 0
3 years ago
What is the area of is circle? <br> (circle is 4cm)<br> Area= ? cm[2]
elena-14-01-66 [18.8K]

Answer:

16 cms if each side is 4. cc

3 0
2 years ago
La profesora de matemáticas solicita a dos estudiantes que describan las cosas que les han parecido interesantes de los números
Makovka662 [10]

Answer:

Respuesta D

Step-by-step explanation:

Paola afirma: Todo número compuesto par, se puede escribir como la multiplicación de factores primos.

Esta afirmación es cierta, pues es un caso  de la afirmación de que todo número natural mayor que uno se puede escribir como multiplicación de números primos. A este proceso se le llama descomposición en factores primos.

Edwin afirma: Todo número compuesto impar se puede escribir como la suma de dos números primos.

Esta afirmación es falsa. Note que al sumar dos números impares de la forma 2k+1 y 2m+1 para k distinto de m, se obtiene

2k+1+2m+1 = 2(km+1)

Es decir, la suma de dos números impares es siempre par.

Note que a excepción de 2, todo número primo es impar. Para que esta afirmación fuera cierta, necesariamente tendría que pasar que cualquier número impar k se escriba de la forma p+2 donde p es un número primo. Esto es equivalente que para cualquier número impar k, el número k-2 sea primo.

Basta con dar un ejemplo para ver que esto no pasa. Tomemos k=11. En este caso, k-2 = 9, el cuál no es un número primo. Entonces 11 no se puede  descomponer como la suma de dos números primos.

5 0
3 years ago
Which problem is solved using this model?
AfilCa [17]
That would be 1/2 divided by 3

Its A
7 0
3 years ago
Read 2 more answers
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