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3 years ago

9

What is the length of AB

2 answers:

Andreas93 [3]3 years ago

6 0

Since line AB and line BC are congruent, you equal them to each, which will give the 'x' to substitute into line AB

$3x = 4x -2$

Subtract -4x from both sides of the equation.

$-x=-2$

Then divide -1 from both sides of the equation.

$x=2$

Then you do 3(2) which is 6.

The answer is B

IgorC [24]3 years ago

6 0

AB and BC are congruent, so 4x-2= 3x, solve for x and you get x=2.

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Does anyone know this?

Vedmedyk [2.9K]

Answer:

x = 8°

Step-by-step explanation:

(7 x + 1) + (3 x +9) = 90

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3 years ago

A circle has a center at 3,5 the point 3,8 is On the circle. What is the circumference of the circle to the nearest tenth of a u

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3 years ago

Use green’s theorem to evaluate

Georgia [21]

By Green's theorem (all the conditions are met), we have

$\displaystyle \int_C \sqrt y \, dx + \sqrt x \, dy = \iint_D \frac{\partial(\sqrt x)}{\partial x} - \frac{\partial(\sqrt y)}{\partial y} \, dx \, dy$

where D is the interior of the path C, or the set

$D = \left\{ (x, y) : 0 \le y \le \dfrac{x^2}2 \text{ and } 0 \le x \le 2 \right\}$

So, the line integral reduces to the double integral,

$\displaystyle \frac12 \int_0^2 \int_0^{\frac{x^2}2} x^{-\frac12} - y^{-\frac12} \, dy \, dx$

$\displaystyle = \frac12 \int_0^2 x^{-\frac12}\left(\frac{x^2}2\right) - 2\left(\frac{x^2}2\right)^{\frac12} \, dx$

$\displaystyle = \frac12 \int_0^2 \frac12 x^{\frac32} - \sqrt 2 \, x \, dx$

$\displaystyle = \frac14 \int_0^2 x^{\frac32} - 2\sqrt 2 \, x \, dx$

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5 0

2 years ago

Whoever answers first is brainliest

Mice21 [21]

Answer:

Let the truck is driven X miles per day

Charges of company A will be = 90+0.4X

Charges of company B will be =30+0.7X

Let us find out value of X when charges of both companies are same

which means that 90+0.4 X= 30+0.7X

90-30 = 0.7X-0.4X

60 = 0.3X

60/0.3 = X

X= 200

The charges of both companies will be same if truck is driven 200 miles per day

Company A will have better deal if truck is driven more than 200 miles per day ( because per mile rate of company A is less than company B)

Step-by-step explanation:

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3 years ago

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marin [14]

He needs to run 4.5 miles each day.

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3 years ago