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Irina-Kira [14]
3 years ago
6

Can someone please help

Mathematics
2 answers:
BabaBlast [244]3 years ago
8 0
2 and 26 is the answer
Free_Kalibri [48]3 years ago
6 0

Answer:

I think it is 26 and 2

Step-by-step explanation:

39÷6=6.5

4×6.5=26

13÷6.5=2

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First and 2nd question is easier.
WITCHER [35]

Answer:

3% of 0.80 = 0.024

7% of 0.40 = 0.028

90% of 3 = 2.7

40% of 24 = 9.6

Step-by-step explanation:

8 0
3 years ago
Can I reduce this anymore or is this are far as I can reduce?<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%2B%20%5Cfrac%7B%20
satela [25.4K]
<span>3.73205081
Hope it helps!
</span>
8 0
3 years ago
What is the value of 5
Reil [10]

Answer:

The first one is by using your mind. If you know that factorial of any non negative integer denoted by n!

defined as

n!=n(n−1)(n−2)⋯3⋅2⋅1

then 5!=5∗4∗3∗2∗1. You can calculate it in your mind which will give you 5!=120.

That's it.

The next method is using your calculator. In my calculator Casio fx-991es, I pressed 5 and then shift+x−1

button and I got 120. Similarly, you can use Google to calculate it like I did and got this.

Step-by-step explanation:

4 0
4 years ago
Encuentre el radio y el área de círculos cuya circunferencias tienen las siguientes medidas
Vadim26 [7]

Answer:

Los radios de los círculos son r_{1} \approx 9.995, r_{2} \approx 2.013, r_{3} \approx 7.592, respectivamente.

Las áreas de los círculos son A_{1} \approx 313.845, A_{2} \approx 12.730, A_{3} \approx 181.077, respectivamente.

Step-by-step explanation:

La circunferencia (s) se calcula mediante la siguiente fórmula:

s = 2\pi\cdot r (1)

Donde r es el radio del círculo.

Una vez hallado el radio, se determina el área de la figura geométrica (A) mediante la siguiente fórmula:

A = \pi\cdot r^{2} (2)

Si conocemos que las circunferencias son s_{1} = 62.8, s_{2} = 12.65 y s_{3} = 47.7, respectivamente:

1) Radios de los círculos

r_{1} = \frac{s_{1}}{2\pi}, r_{2} = \frac{s_{2}}{2\pi}, r_{3} = \frac{s_{3}}{2\pi}

r_{1} \approx 9.995, r_{2} \approx 2.013, r_{3} \approx 7.592

2) Áreas de los círculos

A_{1} = \pi\cdot r_{1}^{2}, A_{2} = \pi\cdot r_{2}^{2}, A_{3} = \pi\cdot r_{3}^{2}

A_{1} \approx 313.845, A_{2} \approx 12.730, A_{3} \approx 181.077

6 0
3 years ago
Owen and Jesse go to a restaurant for breakfast.
alekssr [168]
Part A: D
21,60 x 107% =23,11
Part B: D
23,11 x 115% =26,58
8 0
3 years ago
Read 2 more answers
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