i have this for my math review & i just don't seem to get it...what is (.9x+.8y)^2

Answers

Answer 1

Answer: Can you take the quantity [ x + y ] and square it ?

Can you take the quantity [ x + 2y ] and square it ?

Then you should have no trouble with the square of (.9x + .8y) .

The square of any binomial (expression with 2 terms) is

(square of the first term)
+ (square of the second term)
+ 2 times (product of the terms) .

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Please help me with this!!Thank u

Place the following ratios from least to greatest.
E 3:1
2:1
1:1
E 1:2

Answers

Answer:

1:3

1:2

1:1

2:1 it may helps you

How many different ways can you write a fraction that has a numerator of 2 as a sum of fractions

Answers

at least you can write it as the sum of half of it twice, that is:
2/x = 1/x + 1/x
whatever x number you have, for example:
2/5 = 1/5 + 1/5

But then, you can express a fraction in many different ways, for example again:
2/5 = 1/5 + 1/5 = 2/10 + 2/10
= 1/10 + 1/10 + 1/10 + 1/10
so there are an infinite ways of expressing such a fraction.

the volume of a rectangular pyramid is 1.32 cubic inches. the height of the pyramid is 1.1 inches and the length of the base is 1.2 inches. what is the width of the base of the pyramid

Answers

Work:

V = l × w × h

1.32 = 1.2 × w × 1.1

1.32 = 1.32 × w

1.32 ÷ 1.32 = 1

Answer:

1 inch = width

the answer is 3.62 because you add 1.32+1.1+1.2 and you get 3.62 but the width is 1 inch

Jason and Ron together have 97 baseball cards. Jason has four more than twice as many cards as ron. How many baseball cards does each person have?

Answers

Let r be the number of cards Ron has.

r + 2r + 4 = 97
3r + 4 = 97
3r + 4 - 4 = 97 - 4
3r = 93
3/3r = 93/3
r = 31

Ron has a total of 31 cards and Jason has a total of 66 cards.

in 2004, 34.2 million accountants e-filed income tax returns. this was 114% of the number who filed in 2003. Find the number of accountants who e-filed income tax returns in 2003

Answers

Answer:

30 million accountabts

Step-by-step explanation:

To get the number of accountant that refilled in 2003, 100/114 X 34.2 = 30

Find one percent by dividing it by 100, then multiply it by 114 and theres your answer.

HELP PLEASE ASAP!!!!! BRAINLIEST+20 POINTS!!!!!!!Which statements are true about parabolas represented by the equation
y=ax²+bx+c?
Select four that apply.
If a>0, then the parabola opens up.
If a>0, then the parabola has a minimum.
If a<0, then the parabola opens down.
If a>0, then the parabola has a maximum.

Answers

C. If a<0, then the parabola opens down

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