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yawa3891 [41]
4 years ago
9

What is the value of (2/3)^-4

Mathematics
2 answers:
vovikov84 [41]4 years ago
7 0

Answer:

81/16

Step-by-step explanation:

Here the exponent is negative.  If we were to invert (2/3), we'd get:

(3/2)^4

which is significantly easier to evaluate.

3^4 = 81 and 2^4  = 16.  So the value of the given expression is    81/16.

tigry1 [53]4 years ago
3 0

Answer:

5.0625

Step-by-step explanation:

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Ivan and tanya share £150 in the ratio 4:1 how much more ivan gets compared to tanya
shusha [124]

Answer:

Given statement: Ivan and Tanya share £150 in the ratio 4:1

let the number be x.

Then, the share of Ivan be 4x and the share of Tanya be x.

From the given scenario,

the equation that would best represent the given will be;

4x+x =\£150

Combine like terms;

5x =\£150

Divide both sides by 5 we get;

\frac{5x}{5}=\frac{\£150}{5}

Simplify:

x =£30

Then,

the share of Ivan is, 4x = 4 \cdot 30 =\£120

and the share of Tanya is, x =£30

Therefore, £90 more Ivan gets compared to Tanya.

3 0
4 years ago
Read 2 more answers
In two or more complete sentences, describe the steps necessary in completing the following sum. In your final answer, include t
tiny-mole [99]

Answer:

First, you would need to find a common denominator for the two, in this case it would be 6 which would make the equation 3/6 + 4/6=7/6. Then in order to make the answer a mixed number you would need to divide the numerator into the demonanator,  write down the whole number answer (6 will go into 7 ONE time) then write down the "leftovers". The final answer would be 1 1/6

(i hope this helps! im not the best at explaining)

6 0
4 years ago
Fill in the table using this function rule y=-10x+1
weqwewe [10]

Answer:

11, 1, -9, -49

Step-by-step explanation:

(Fill in the x value for each one then solve)

Function rule: y = -10x + 1


<em>1. x = -1</em>

fill in: y = (-10) -1 + 1

Solve: 11

Table way: x,y = -1,11

<em>2. x = 0</em>

fill in: y = (-10) 0 + 1

Solve: 1

Table way: x,y = 0,1

<em>3. x = 1</em>

fill in: y = (-10) 1 + 1

Solve: -9

Table way:  x,y = 1,-9

<em>4. x = 5</em>

fill in: y = (-10) 5 + 1

Solve: -49

Table way: x,y = 5,-49

8 0
2 years ago
Convert to Standard Form <br> 13-6x-y=0
zaharov [31]
I believe this is the answer 6x+y=13
8 0
3 years ago
herlene has 5.05 in quarters and dimes. The number of quarters is one more than twice the number of dimes. Find the number she h
VLD [36.1K]

Answer:

<em>Herlene has 8 dimes and 17 quarters</em>

Step-by-step explanation:

<u>System of Equations</u>

Let's call:

x = number of dimes Herlene has

y = number of quarters Herlene has

Since each dime has a value of $0.10 and each quarter has a value of $0.25, the total money Herlene has is 0.10x+0.25y.

We know this amount is $5.05, thus:

0.10x + 0.25y = 5.05        [1]

It's also given the number of quarters is one more than twice the number of dimes, i.e.:

y = 2x + 1        [2]

Substituting in [1]:

0.10x + 0.25(2x + 1) = 5.05

Operating:

0.10x + 0.5x + 0.25 = 5.05

0.6x = 5.05 - 0.25

0.6x = 4.8

x = 8

From [2]:

y = 2*8 + 1 = 17

y = 17

Herlene has 8 dimes and 17 quarters

4 0
3 years ago
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