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2 years ago

9

the diagram shows a right-angled triangle ABC and a circle. A, B and C are points on the circle AB is a diameter of the circle A

B = 10cm, AC = 6cm, BC = 9cm. Give your answer correct to 3 significant figures.

1 answer:

anastassius [24]2 years ago

8 0

Step-by-step explanation:

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Help me please I don’t know this

Afina-wow [57]

The answer is the number will have to be less than 11 which means that it is a. 9
sorry if it is incorrect.

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3 years ago

If 63,000 = 6.3 x 10n, then what is n

tatyana61 [14]

Answer:

n is a neutron , the symbol n stands for neutron

4 0

3 years ago

Read 2 more answers

Lucy wants to be exempt from her semester exam. In order for that to happen, she has to average an 85 over 3 test grades. Her fi

anastassius [24]

Answer:

<em>Grades to be scored in 3rd exam = 88</em>

Step-by-step explanation:

Given that average of 3 numbers is 85.

First two numbers are 81 and 86.

To find:

3rd number so that average is 85

Solution:

Let the third number = $x$

Formula for average is:

$Average = \dfrac{Sum\ of\ numbers}{Total\ count\ of\ numbers}$

Here, sum of numbers = $81+86+x =167+x$

Total count of numbers = 3

$85 = \dfrac{167+x}{3}\\\Rightarrow x=255-167\\\Rightarrow \bold{x=88}$

<em>Grades to be scored in 3rd exam = 88</em>

8 0

3 years ago

2. Explica que es un cero, o raíz, de una función.

vovikov84 [41]

Answer:

los ceros de una función también se pueden llamar las raíces, básicamente significan donde una función o parábola cruzará la coordenada x. encontrar las raíces de una ecuación significa encontrar donde la parábola intercepta el eje x

Step-by-step explanation:

3 0

3 years ago

Help me w this please guysssssss

Sphinxa [80]

I think
the answer is 12.56

7 0

3 years ago