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3 years ago

Some help please?

Mathematics

1 answer:

svetoff [14.1K]3 years ago

3 0

Degree
In other words write the terms with the exponents greatest to least

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8-3(6-6a)=? I need help?????

Oxana [17]

8-18+18a= - 10+18a
18a= 10
a=10/18=5/9
I think is the right ans.. Hope it helps

3 0

4 years ago

Read 2 more answers

iPhone 8 has a screen with an aspect ratio of 16:9, a diagonal length of 5.5, and 1080 by 1920 physical pixels. compute the dime

bixtya [17]

Answer:

iPhone 8+ (2017) 736 × 414 1920 × 1080 16:9 3× 5.5″ 401 PPI

Step-by-step explanation:

8 0

3 years ago

#3 i

klasskru [66]

Answer:

77.74 square feet

Step-by-step explanation:

1. We have to keep the triangle and the rectangle apart and find the area of each separately then add the areas together.

The formula for the area of a rectangle is height x width = area

So, 6.5 feet x 10.4 feet = 67.6 feet squared

The formula for the area of a triangle is height x width x (1/2) = area

So, 5.2 feet x 3.9 feet x (1/2) = 10.14 feet squared

Now, add the two areas together.

10.14 square feet + 67.6 square feet = 77.74 square feet

3 0

3 years ago

Simon has a certain length of fencing to enclose a rectangular area. The function A models the rectangle's area (in square meter

ss7ja [257]

Answer:

The maximum area is 1,600 square meters

Step-by-step explanation:

<u><em>The complete question is</em></u>

What is the maximum area possible?

The given function area is modeled by A(w)=-w(w-80)

we know that

The given function is a vertical parabola open downward

The vertex is a maximum

The x-coordinate of the vertex represent the width for the maximum area

The y-coordinate of the vertex represent the maximum area

Convert the quadratic function in vertex form

$A(w)=-w(w-80)\\\\A(w)=-w^{2}+80w$

Factor -1

$A(w)=-(w^{2}-80w)$

Complete the square

$A(w)=-(w^{2}-80w+1,600)+1,600$

Rewrite as perfect squares

$A(w)=-(w-40)^{2}+1,600$ ----> function in vertex form

The vertex is the point (40,1,600)

therefore

The maximum area is 1,600 square meters

8 0

4 years ago

Read 2 more answers

Is this a direct variation y=x+x

Lesechka [4]

Answer:

x2=3

x1=2

y=10

Step-by-step explanation:

5 0

3 years ago