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boyakko [2]
3 years ago
10

Please help me I'm practically begging u <3

Mathematics
1 answer:
anygoal [31]3 years ago
4 0

Answer:

<h3>1 , 3 , 4 </h3>

Step-by-step explanation:

<h3>1)</h3>

{8}^{7} \: . \:  {8}^{ - 12}  \\   = {8}^{7 + ( - 12)}  \\  =  {8}^{ - 5}  \\  =  \frac{1}{ {8}^{5} }  \\2)[tex] \frac{ {7}^{4} }{ {7}^{ - 3} }  \\  =  {7}^{4 - ( - 3)}  \\  =  {7}^{4 + 3} \\   = {7}^{7}  \\3)[tex] { (\frac{1}{3} )}^{2} .  \: {( \frac{1}{3} )}^{9}  \\  { (\frac{1}{3}) }^{2 + 9}  \\  { (\frac{1}{3} )}^{11}  \\

<h3>4)</h3>

\frac{ {( - 5)}^{6} }{ {( - 5)}^{10} }  \\  =  {( - 5)}^{6 - 10}  \\ =   {( - 5)}^{ - 4}  \\  =  \frac{1}{ {( - 5)}^{4} }  \\

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Cedric and doug each had an equal amount of money. After cedric spent $35 and doug spent $28, the ratio of cedrics money to doug
uysha [10]

Answer:

Each of them had $49 at first.

Step-by-step explanation:

Given:

Cedric and Doug each had an equal amount of money.

Let the number of money they had at first be x

Cedric spent = $35

Doug spent = $28

Cedric Money left = x-35

Doug Money left = x-28

the ratio of Cedric money to Doug money was 2:3

Hence the expression can be made as;

\frac{x-35}{x-28}=\frac{2}{3}

Now by cross multiplication method we get;

3(x-35)=2(x-28)

Now we will use distributive property to elaborate the same;

3x-105=2x-56

Combining common terms we get;

3x-2x=105-56

Using Subtraction property we get;

x= 49

Hence $49 they each had at first.

8 0
3 years ago
Write an expression that evaluates to true if the int associated with number_of_prizes is divisible (with no remainder) by the i
hodyreva [135]

We need to find the expression for " number_of_prizes is divisible number_of_participants". Also there should not remain any remainder left. On in order words, we can say the reaminder we get after division is 0.

Let us assume number of Prizes are = p and

Number of participants = n.

If we divide number of Prizes by number of participants and there will be not remainder then there would be some quotient remaining and that quotent would be a whole number.

Let us assume that quotent is taken by q.

So, we can setup an expression now.

Let us rephrase the statement .

" Number of Prizes ÷ Number of participants  = quotient".

p ÷ n = q.

In fraction form we can write

p/n =q   ; n ≠ 0.


4 0
3 years ago
What is the area of the regular polygon?
BartSMP [9]

Answer:

You could use the polygon area formula OR here's an easier solution

We draw the lines DC and DE

Angle ADC = 120°

Triangle ADC is a 30 60 90 triangle

In such a triangle Line AE = hypotenuse * sq root (3) /2

Line AE = 3 * 0.8660254038  = 2.5980762114

Line DE = 1.5

Area of Triangle ADE = .5 * 1.5 * 2.5980762114 =

1.9485571586   square meters and entire area of Triangle

ABC = 6 * 1.9485571586

which equals 11.6913429513  square meters

Step-by-step explanation:

6 0
3 years ago
Can you please help me
viva [34]
There are fewer people on the bus.
The start of it had at least 5
The end of it had at least 1
8 0
4 years ago
Read 2 more answers
(-1)(-11) please solve!!
Zinaida [17]

Answer:

A positive 11

Step-by-step explanation:

11 is your answer

8 0
3 years ago
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