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3 years ago

Decimal equivalent to 7.7?

Mathematics

1 answer:

Nostrana [21]3 years ago

8 0

7.7 is a decimal. ;)

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in the diagram below, AB and BC are tangent to O. Which equation could be solved to find y, the measure of ADC

grin007 [14]

Answer:

Step-by-step explanation:

∠ABC is formed by 2 tangents to the circle and is measured as

∠ABC = $\frac{1}{2}$ (m arc ADC - m arc AC ), that is

$\frac{1}{2}$ (y - 119) = 61 → A

8 0

3 years ago

Read 2 more answers

Which equation is the inverse of y = 16x2 + 1?

Llana [10]

Answer:

$y=\frac{\sqrt{x-1} }{4}$

Step-by-step explanation:

The given equation is

$y=16x^2+1$

For this function to have an inverse, we must restrict the domain, say $x\ge0$

We interchange x and y to get,

$x=16y^2+1$

We now make y the subject to get;

$x-1=16y^2$

We divide through by 16 to get;

$\frac{x-1}{16}=y^2$

We now take the square root of both sides to get;

$\pm \sqrt{\frac{x-1}{16}}=y$

$y=\pm \frac{\sqrt{x-1} }{4}$

Since $x\ge 0$ , the inverse function is

$y=\frac{\sqrt{x-1} }{4}$

6 0

3 years ago

Solve for x 5*2^3x=21

ELEN [110]

The answer is 0.690129 hope this helps:)

8 0

3 years ago

The width of Estelle's rectangular living room is 4 meters, and the distance between opposite corners is 7 meters. What is the l

Crank

Answer:

5.7 meters

Step-by-step explanation:

Image a rectangle being cut diagonally in half, that would lead to two triangles. We can use the pythagorean theorem to find the missing side.

7 is the hypotenuse and 4 is the side length

4^2+x^2=7^2

16+x^2=49

sqrx=sqr(49-16)

x=sqr33

x=5.74

Rounded to the nearest tenth is 5.7

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