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DochEvi [55]
3 years ago
8

Andrew is cutting a piece of fencing for his yard. How many pieces of fence that are 5 1/3 inches long can he cut from a section

of fence that is 15 3/5 inches long?
Mathematics
1 answer:
IrinaVladis [17]3 years ago
7 0

Answer:

2 37/40

Step-by-step explanation:

You might be interested in
Exponential function
laiz [17]
A typical exponential function is y=ab^{x}
when x=3.5, y=16.2
when x=6, y=3936.6
plug these values into the exponential function:
16.2=ab^{3.5}
3936.6=ab^{6}
divide the second equation by the first to eliminate a:
243=b^{(6-3.5)}
log both sides: log243=2.5logb
logb=log243/2.5
use your calculator to find b: b=3.6
plug b=3.6 in the first equation to find a:
16.2=a* (3.6)^{3.5}
a=0.183

please double check my calculation
5 0
3 years ago
A teacher needs 70 lengths of string cut to 40cm each. If balls of string are 10 m long, how many balls will be needed.
Genrish500 [490]

Answer:

3

Step-by-step explanation:

A ball is 10 meters. Since 100 centimeters are in a meter, each ball has 100*10 = 1000 centimeters.

The teacher needs 70 strings each 40 centimeters. The total amount they need is 70*40 = 2800 centimeters.

Since a ball has 1000 centimeters, 2800 centimeters will need 3 balls for a total of 3000 centimeters.

5 0
3 years ago
Solve -4x/x-1+2x+6/x^2-1=1
iris [78.8K]

Answer:

Step-by-step explanation:

6/x^2 + 2 x = 7

2 x^3 - 7 x^2 = -6 (for x!=0)

(2 (x^3 - 3 x^2 + 3))/x^2 = 1

7 0
2 years ago
Which of the following options results in a graph that shows exponential growth?
poizon [28]

Answer:

f(x)=0.7(5)^x

Step-by-step explanation:

\text{Exponential function: }y=a\cdot b^x

It is two types of function.

  • Exponential Growth: If function increase as value of x increase.

In this case, a>0 and b>1

  • Exponential decay: If function decrease as value of x increase.

In this case, a>0 and 0<b<1

We need to choose exponential growth function.

\text{Exponential Growth function: }f(x)=0.7(5)^x

Here a=0.75>0 and b=5>1

Therefore, This function is exponential growth.

7 0
3 years ago
Read 2 more answers
HELP PLEASE !!!
enot [183]

Given: m ∠3 = m ∠4

To Prove: ∠1, ∠2 are supplementary .

Proof : m ∠3 = m ∠4    ( Given)                                              ------------(1)

m<2 + m< 3 = 180 degrees  ( <2 and <3 form a linear pair). ----------(2)

m< 4 = m<1                            (Vertical angles are equal)       -----------(3).

Substituting, m<4 =m<1 in (1), we get

m ∠3 = m ∠1.

Now, substituting m ∠3 = m ∠1 in (2), we get

m<2 + m< 1 = 180 degrees.

Sum of m <1 and m<2 is 180 degrees.

Therefore,<em> ∠1, ∠2 are supplementary by the defination of supplementary angles.</em>


3 0
3 years ago
Read 2 more answers
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