3 years ago

Tyree and Brad are each given a bag of marbles. Tyree's bag of marbles has a total of 8 marbles in it,

Mathematics

1 answer:

aleksley [76]3 years ago

3 0

Girl i have no ideaaaaaaaa

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4(x-1)-3(x-2)=-8 How do you solve this?

aleksandrvk [35]

Answer:

-10

Step-by-step explanation:

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2 years ago

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Use the given conditions to write an equation for each line in point-slope form and slope-intercept form.

anyanavicka [17]

Answer:

$(y - 0) = \frac{1}{3} (x - 0)$

$y = \frac{1}{3} x$

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3 years ago

a surveyor measures the distance to the two landmarks as shown in the diagram what is the distance d. between the landmarks

Inessa [10]

<h3>The distance between two landmarks is 123 meters</h3>

Solution:

We have to find the distance between two landmarks

Use the law of cosines

The third side of a triangle can be found when we know two sides and the angle between them

$c^2 = a^2 + b^2 - 2ab\ cos c$

Here, angle between 90 meters and 130 meters is 65 degrees

From figure,

a = 90

b = 130

c = d

Therefore,

$d^2 = 90^2 + 130^2 - 2(90)(130)\ cos 65\\\\d^2 = 8100 + 16900 - 23400\ cos\ 65\\\\d^2 = 25000 - 23400 \times 0.4226\\\\d^2 = 25000 - 9889.267\\\\d^2 = 15110.73\\\\d = 122.92\\\\d \approx 123$

Thus, the distance between two landmarks is 123 meters

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3 years ago

A cable installer charges $30.00 per hour plus a $50.00 service charge. Your father's firm hires him to hookup his company's int

vladimir1956 [14]

30*8.5=255 255+50=$305

4 0

3 years ago

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A= 47 sq. in. Find the value of x. If necessary, round to the nearest tenth.

motikmotik

Answer:

x = 9.7

Step-by-step explanation:

The area of a triangle is A = b * h / 2 where A, b, and h are the area, base and height respectively. We know that A, b, and h equal 47, x, and x respectively so we can write:

47 = x * x / 2

47 = x² / 2

94 = x²

x = ±√94

In context, x can't be negative so the answer is x = √94 = 9.7.

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2 years ago

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