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Alexandra [31]
2 years ago
12

The second term of a GP is 18 and the fifth term is 486 find the first term and the common ratio​

Mathematics
1 answer:
valentina_108 [34]2 years ago
5 0

Step-by-step explanation:

everything can be found in the picture

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If a 45 45 90 triangle has the hypothenuse of 10 what would the legs x and y be
melamori03 [73]

Answer:

Step-by-step explanation:

When working with 45-45-90 triangles the hypotenuse is the same as the other legs multiplied by root 2. Therefore if you need to find the legs and already have the hypotenuse, divide the hypotenuse by root 2.

10/ sqrt(2) = 7.1 is the rounded answer.

to double check your work just multiply 7.1 by the square root of 2 and you'll get <em>close</em> to 10. (because the answer is rounded and not exact.)

3 0
3 years ago
Heyy can you please help me posted picture of question
vichka [17]
We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

x= \frac{-b+- \sqrt{ b^{2} -4ac} }{2a}

b = coefficient of x term = 4
a = coefficient of squared term = 1
c = constant term = 7

Using the values, we get:

x= \frac{-4+- \sqrt{16-4(1)(7)} }{2(1)} \\  \\ &#10;x=  \frac{-4+- \sqrt{-12} }{2}   \\  \\ &#10;x= \frac{-4+-2 \sqrt{-3} }{2} \\  \\ &#10;x= -2+- \sqrt{-3}

So, the correct answer to this question is option A
7 0
3 years ago
A kangaroo hops 2 kilometers in 3 minutes
Damm [24]

¿Que estas preguntando?

3 0
3 years ago
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-11=a+7 dolce equation
zubka84 [21]

-11 = a + 7   Given

-7        -7    Subtract 7 on each side to cancel out +7 and isolate variable

-18 = a       Answer

Prove.

-11 = -18 + 7    Plug in variable value

-11 = -11

True.

4 0
3 years ago
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The graph of g(x)=ax^2 opens downward and is narrower than the graph of f(x)=x^2. Which of the
Masteriza [31]
You’re answer is

b

you’re welcome :)
6 0
3 years ago
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