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3 years ago

What is the slope of y=5x-6 also, can anyone talk? I made the stitch one rate it plz 1-10

Mathematics

1 answer:

Setler [38]3 years ago

8 0

Slope is 5 y intercept (0,-6

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Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining Bismuth-210 transforms i

Luden [163]

Answer:

Approximately 76.5 mg.

Step-by-step explanation:

Given,

The initial quantity of the Bismuth-210, P = 233 mg,

Also, the rate of decay per day, r = 13 %

Thus, the quantity of the Bismuth-210 after 8 days would be,

$A=P(1-\frac{r}{100})^8$

$=233(1-\frac{13}{100})^8$

$=233(1-0.13)^8$

$=233(0.87)^8$

$=76.4733194697$

$\approx 76.5\text{ mg}$

3 0

3 years ago

#2 Find the segment length indicated. Assume that lines which appear to be tangent are tangent. *

gregori [183]

The angle of a tangent and a radius is a right angle.

The missing length would be the hypotenuse. Use the Pythagorean theorem to solve.

X = SQRT(12^2 + 16^2)

X = SQRT(144 + 256)

x = SQRT(400)

X = 20

4 0

3 years ago

In 7th grade there are 58 students with red-hair and 609 students with another color hair. The numbers of red-haired students in

mr_godi [17]

In 7th grade:

red-hair students =58

another color hair students =609

In 8th grade:

red-hair students =60

Let's assume

another color hair students =x

now, we are given

The numbers of red-haired students in 8th grade are proportional to the numbers in 7th

so,

$\frac{60}{58} =\frac{x}{609}$

now, we can solve for x

we get

$x=609*\frac{60}{58}$

we get

$x=630$

so, students have another color hair in 8th grade is 630.........Answer

5 0

3 years ago

Here is a right angled triangle work out the value of x using trigonometry

tatiyna

$~~~~~\sin 30^{\circ} = \dfrac{\text{Perpendicular}}{\text{Hypotenuse} }\\\\\\\implies \dfrac 12 = \dfrac{8}x\\\\\\\implies x = 8\cdot2\\\\\\\implies x = 16 ~ \text{cm.}$

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2 years ago

Which of the following are exterior angles? Check all that apply.

dmitriy555 [2]

Answer:

A, B, & C

Step-by-step explanation:

Exterior angles of a triangle are the angles outside the triangle. They are formed by extending the side lengths of the triangle beyond the vertex.

8 0

2 years ago