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2 years ago

Congruent triangles:

Mathematics

2 answers:

Andrej [43]2 years ago

5 0

Answer:

A = 61

Step-by-step explanation:

F = C = 29

29+90 = 119

180-119 = 61

Rom4ik [11]2 years ago

4 0

Answer:

A = 61

Hope it helps!

Step-by-step explanation:

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What’s 14/20 - 81/90

Leni [432]

Answer: -1/5

Step-by-step explanation:

14/20 - 81/90=

7/10-9/10= ==> 10 is the GCF of 20 and 90

(7-9)/10=

-2/10=-1/5

3 0

1 year ago

Read 2 more answers

F⃗ (x,y)=−yi⃗ +xj⃗ f→(x,y)=−yi→+xj→ and cc is the line segment from point p=(5,0)p=(5,0) to q=(0,2)q=(0,2). (a) find a vector pa

DerKrebs [107]

a. Parameterize $C$ by

$\vec r(t)=(1-t)(5\,\vec\imath)+t(2\,\vec\jmath)=(5-5t)\,\vec\imath+2t\,\vec\jmath$

with $0\le t\le1$ .

b/c. The line integral of $\vec F(x,y)=-y\,\vec\imath+x\,\vec\jmath$ over $C$ is

$\displaystyle\int_C\vec F(x,y)\cdot\mathrm d\vec r=\int_0^1\vec F(x(t),y(t))\cdot\frac{\mathrm d\vec r(t)}{\mathrm dt}\,\mathrm dt$

$=\displaystyle\int_0^1(-2t\,\vec\imath+(5-5t)\,\vec\jmath)\cdot(-5\,\vec\imath+2\,\vec\jmath)\,\mathrm dt$

$=\displaystyle\int_0^1(10t+(10-10t))\,\mathrm dt$

$=\displaystyle10\int_0^1\mathrm dt=\boxed{10}$

d. Notice that we can write the line integral as

$\displaystyle\int_C\vecF\cdot\mathrm d\vec r=\int_C(-y\,\mathrm dx+x\,\mathrm dy)$

By Green's theorem, the line integral is equivalent to

$\displaystyle\iint_D\left(\frac{\partial x}{\partial x}-\frac{\partial(-y)}{\partial y}\right)\,\mathrm dx\,\mathrm dy=2\iint_D\mathrm dx\,\mathrm dy$

where $D$ is the triangle bounded by $C$ , and this integral is simply twice the area of $D$ . $D$ is a right triangle with legs 2 and 5, so its area is 5 and the integral's value is 10.

4 0

2 years ago

One number is 9 more than 3 times another. If their difference is 29, what is the larger number?

vfiekz [6]

Answer:

Step-by-step explanation:

x-3y=9

x-y=29

subtract

-2y=-20

y=10

x-10=29

x=39

6 0

3 years ago

Read 2 more answers

Order the numbers from greatest to<br> least.<br> 6.057, 6.125,6.38, 6.01, 6.03 , 6.57

Sergio039 [100]

Answer:

6.57, 6.38, 6.125, 6.057, 6.03, 6.01

7 0

2 years ago

What is the rate of change of the linear function represented by the table? StartFraction one Over three EndFraction StartFracti

Lynna [10]

The rate of change of the linear function represented by the table is 3

<h3>Rate of change of a function</h3>

The rate of change of a function is also known as the slope of a function. The equation for calculating the slope is expressed as:

Slope = y2-y1/x2-x1

using the coordinates from the table (-2, -13) and (-1, -10)

Substitute

Slope = -10-(-13)/-1-(-2)

Slope = -10+13/-1+2

Slope =3

Hence the rate of change of the linear function represented by the table is 3

Learn more on rate of change here: brainly.com/question/25184007

#SPJ1

5 0

1 year ago