MATHEMATICS HIGH SCHOOL

What is the sum of 3/4 and 4/5?​

Answers

Answer 1
Answer:

Answer:

your answer is 1.5

Step-by-step explanation:

3/4 simpified is 0.75 + 4/5 simplied is 0.8

0.75+0.8=1.5

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Note: Remember to show all of the steps that you use to solve the problem. You can use the comments field to explain your work. Your teacher will review each step of your response to ensure you receive proper credit for your answer.Solve the problem by writing an inequality.

If the perimeter of a rectangular picture frame must be less than 180 in., and the width is 26 in., what must the height h of the frame be?

Answers

Answer:

The height must be less than 64in.

Step-by-step explanation:

The formula for the perimeter of a rectangle is:

P=2*W+2*H

Where

P : Perimeter

W: Width

H: Length

So the for a perimeter less the 180in.

180>2*26+2*H

180>52+2H

180-52>2H

128>2H

H<64

So the height must be less than 64in.
If the perimeter of a rectangular picture frame must be less than 180 in., and the width is 26 in., what must the height h of the frame be?

Which expression represents the series 1+5+25+125+625?

Answers

it is a geometric sequence
an=a1(r)^(n-1)
a1=first term
r=common ratio
n=which term
first term is 1
common ratio is 5
an=1(5)^(n-1)

that is the equatin/formulf for the nth term

if you want a summation formula of the sequence to the nth term
Sn=(a1(1-r^(n)))/(1-r)
in this case
Sn=(1(1-5^(n)))/(1-5) or
Sn=(1-5^(n))/(-4)
so in this case
up to 5th term

S5=(1-5^(5))/(-4)
S5=(1-3125)/(-4)
S5=(-3124)/(-4)
S5=781


anyway
a_(n)=(5)^(n-1) is the nth term
and
Sn=(1-5^(n))/(-4) is the summation up to the nth term
1(5)^0 + 1(5)^1 + 1(5)^2...

The expression representing the series would be

f(x) = 5^(x-1)

Aubree has a coin collection. She keeps 5 of the coins in her box, which is 2% of thecollection. How many total coins are in her collection?

Answers

Answer:

250

Step-by-step explanation:

you enter into a calculator 5x100/2

Phil and Nick are selling fruit for a fundraiser. Customers can buy small and large boxes of tangerines. Phil sold 11 small boxes and 10 large boxes of tangerines for a total of $146. Nick sold 5 small boxes of tangerines and 12 large boxes of tangerines for a total of $126. Write the systems of equations.
What is the cost of a large box of tangerines?

Answers

Answer:

11s + 10l = 146

5s + 12l = 126

$8

Step-by-step explanation:

Let :

Small box = s

Large box = l

11s + 10l = 146 - - - - (1)

5s + 12l = 126 - - - - (2)

Multiply (1) by 5 ; (2) by 11

55s + 50l = 730

55s + 132l = 1386

Subtract

-82l = - 656

l = 8

11s + 10(8) = 146

11s + 80 = 146

11s = 66

s = $6

Hence, the price of a large box of tangerine = $8

Which property is BEST to use when simplifying (0.58+0.32)+ 0.68

Answers

i don’t know but i hope u find the answer

5x-8 (4x-7)=2 solve for x

Answers

5x - 8(4x - 7) = 2

First, expand your problem. / Your problem should look like: 5x - 32x + 56 = 2
Second, simplify 5x - 32x + 56. / Your problem should look like: -27x + 56 = 2
Third, subtract 56 from both sides. / Your problem should look like: -27x = 2 - 56
Fourth, subtract 2 - 56 to get -54. / Your problem should look like: -27x = -54
Fifth, divide both sides by -27. / Your problem should look like: x = (-54)/(-27)
Sixth, simplify the fraction to - (54)/(27) / Your problem should look like: x = (54)/(27)
Seventh, simplify. / Your problem should look like: x = 2

Answer: x = 2
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