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3 years ago

I GIVE BRAINIEST! Someone please help me with question one through four

Mathematics

1 answer:

docker41 [41]3 years ago

3 0

1.) Reduction

As you can see Triangle A was reduced in size as a result of Triangle B

2.) Enlargement

Square A is much smaller than square B, making this an enlargement

3.) Enlargement

The quadrilateral shown here gets larger with quadrilateral B

4.) Reduction

This object gets vividly smaller as shown on the graph, making it a reduction

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Which of the following is a

bazaltina [42]

B) Triangle

C) Rectangle

Step-by-step explanation:

A cross -section the intersection of a 3-dimensional figure and a plane.

A rectangular prism can form a cross-section of a rectangle or a cross-section of a triangle.

Learn More

Rectangular prism cross-sections : brainly.com/question/12619361

Keywords: possible, cross section, rectangular ,prism

#LearnwithBrainly

7 0

3 years ago

What is the closed linear form of the sequence of the negative even integers starting with -2?

Snowcat [4.5K]

Hello,

n=1,2,3,.... and not 0

Answer B a(n)=-2*n

4 0

3 years ago

Read 2 more answers

Determine whether the given differential equation is exact. If it is exact, solve it. (If it is not exact, enter NOT.) (tan(x) −

never [62]

Answer:

$f(x,y)=ln secx+cosx siny+C$

Step-by-step explanation:

We are given that DE

$(tanx-sinx siny)dx+cosxcosydy=0$

We have to determine given DE is exact or not.

Compare it with Mdx+Ndy=0

$M=tanx-sinx siny$

$N=cosxcosy$

$\frac{\partial M}{\partial y}=$ $M_y=-sinxcosy$

$\frac{\partial N}{\partial x}=N_x=-sinxcosy$

Therefore, $M_y=N_x$

If DE is exact then $M_y=N_x$

Hence,it is exact.

$M=\frac{\partial f}{\partial x}=tanx-sinxsiny$

Integrate w.r.t x on both sides

$f(x,y)=\int(tanx-sinxsiny)dx$

$f(x,y)=lnsecx+cosxsiny+\phi(y)$ ...(1)

By using the formula

$\int tanxdx=lnsecx+C,\int sinxdx=-cosx+C$

Differentiate partially equation (1) w.r.t y

$\frac{\partial f}{\partial y}=cosxcosy+\phi'(y)$

By using the formula:

$\frac{d(sinx)}{dx}=cosx$

$N=\frac{\partial f}{\partial y}=cosxcosy=cosxcosy+\phi'(y)$

$\phi'(y)=cosxcosy-cosxcosy=0$

$\phi'(y)=0$

Integrate w.r.t y

$\phi(y)=C$

Substitute the value

$f(x,y)=ln secx+cosx siny+C$

7 0

3 years ago

In triangle ABC,if measure of angle A is seven more than four times measure of angle B and measure of angle C is eleven more tha

Yuri [45]

Answer: Angle A is 115 degrees

Step-by-step explanation:

In triangle ABC, the measure of angle A is seven more than four times measure of angle B. This means that

Angle A = 4(Angle B) + 7

The measure of angle C is eleven more than measure of angle B. This means that

Angle C = Angle B + 11.

The equations are

A = 4B + 7 - - - - - - - - 1

C = B + 11 - - - - - - - - - - 2

Recall that the sum of the angles in a triangle is 180 degrees. This means that

A + B + C = 180 degrees

Substituting equation 1 and equation 2 into A + B + C = 180, it becomes

4B + 7 + B + B + 11 = 180

6B + 18 = 180

6B = 180 - 18 = 162

B = 162/6 = 27 degrees

Substituting B = 27 into equation 1, it becomes

A = 4×27 + 7 = 108 +7

A = 115 degrees

Substituting B = 27 into equation 2, it becomes

C = 27 + 11

C = 38 degrees

Sum of the angles is 115 + 27 + 38 = 180

7 0

3 years ago

A over b - 8= c over d solve for a

alex41 [277]

a/b - 8 = c/d

a/b = c/d+8

a = (c*b)/d + 8

8 0

3 years ago