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Lostsunrise [7]
3 years ago
12

please help me on this I'm struggling on this thanks for your helping of you answer.please show your work:-)

Mathematics
2 answers:
Tju [1.3M]3 years ago
7 0
<span>A fraction that represents the same value when both the numerator and the denominator are multiplied by the same number is known as an equivalent fraction. 

Part A: 5/20 

Equivalent fractions - 5/20,6/24,7/28

Percent : 

5/20

</span>Simplify = 1/4

<span>The numerator is the top part of a fraction, and the denominator is the bottom part of a fraction. To convert to decimal divide the numerator and denominator. </span> 

= 1 ÷ 4

Decimal = 0.25

0.25 x 100 = 25%<span>


Part B: 9/20

</span>Equivalent fractions - <span>18/40,27/60,36/80 

Percent: 

</span>Fraction = 9/20


<span>The numerator is the top part of a fraction, and the denominator is the bottom part of a fraction. To convert to decimal divide the numerator and denominator. 
</span>
= 9 ÷ 20

Decimal = 0.45

<span>0.45 x 100 = 45% 
</span><span>
Part C: 9/6

</span>Equivalent fractions -<span>12/8,15/10,18/12  

Percent: 9/6

</span>Simplify = 3/2


<span>The numerator is the top part of a fraction, and the denominator is the bottom part of a fraction. To convert to decimal divide the numerator and denominator. 
</span>
= 3 ÷ 2

Decimal = 1.5

<span>1.5 x 100 = 150% </span>
PilotLPTM [1.2K]3 years ago
6 0
A. is 1/4 so that would be 25%
sorry thats all i know
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Albert wants to show that tan(theta)sin(theta)+cos(theta)=sec(theta). He writes the following proof:
Nataly_w [17]
We have that
<span>tan(theta)sin(theta)+cos(theta)=sec(theta)
</span><span>[sin(theta)/cos(theta)] sin(theta)+cos(theta)=sec(theta)
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</span><span>the next step in this proof
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so

</span>[sin²(theta)/cos(theta)]+[cos²(theta)/cos(theta)]=sec(theta)<span>

</span>{[sin²(theta)+cos²(theta)]/cos(theta)}=sec(theta)<span>

remember that 
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{[sin²(theta)+cos²(theta)]/cos(theta)}------------> 1/cos(theta)
and 
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the answer is the option <span>B.)
He should write cos(theta)=cos^2(theta)/cos(theta) to find a common denominator.</span>
6 0
3 years ago
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Explain how solving 4x &lt; -16 is different from solving -4x&lt; 16.
nalin [4]

Answer:

Dividing by 4 and -4

Step-by-step explanation:

Solving 4x < -16 is different from solving -4x< 16, because for 4x < -16, you are dividing by a positive 4 on both sides, but for -4x< 16, you are dividing by -4 on both sides.

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Melissa has enough paint to cover an area of 250 square feet.she want to paint two walls.the rectangular wall is 9 feet high and
liraira [26]

Answer:

No she doesn't have enough paint.

Step-by-step explanation:

You have to find the area of both walls then subtract both areas by 250. It would give you a negative number, meaning there is not enough paint.

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julia-pushkina [17]

Answer:

The amount of paper needed = 363.3 in²

Total amount of paper and plastic needed = 564.3 in

Step-by-step explanation:

As the diagram isn't given.

Consider a right cone shown in the ATTACHMENT.

where

r = 8 in

h = 12 in

First find the value of hypotenuse s by using Pythagoras theorem

<h3>Find Lateral Area:</h3>

The amount of paper needed to cover the candle is lateral area, which is given by:

L=\pi\cdot{r}\cdot{s}\\L =\pi\cdot8\cdot14.422\\L=363.3in^2\\

<h3>Find Surface Area:</h3>

Total amount of paper and plastic is the surface area:

S=L+\pi{r}^2\\S=363.3+\pi(8)^2\\S=564.26in^2

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3 years ago
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Answer:

No solution

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No solution

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