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GenaCL600 [577]
3 years ago
14

To make ribbon and bow for a hat, Stacey needs 5/6 yard of black ribbon and 2/3 yard of red ribbon. how much total ribbon does s

he need.
Mathematics
2 answers:
larisa86 [58]3 years ago
7 0
First make the denominators of the fractions the same by multiplying.

\frac{2}{3} × \frac{2}{2}
=\frac{4}{6}

Now we just need to add the fractions together

\frac{5}{6} +  \frac{4}{6}
= \frac{9}{6}

9/6 would be the answer, but it can be simplified further, then converted into decimal form.

\frac{9}{6} ÷ \frac{3}{3}
=\frac{3}{2}
=1.5 yards

Your final answer is 1.5 yards of ribbon are needed.
Vedmedyk [2.9K]3 years ago
6 0

Answer:

1  1/2

Step-by-step explanation: 5/6 + 2/3 = ?  3- 3,6   6- 6  so the  six will be the denominators because is the less common number so 5/6 + 2/3 = 5/6 + 4/6 = 9/6 which can be simplify by the factor 3 which will be 3/2 or 1  1/2 .

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1, A and D are the same thing But I would go with C. Hope this Helps!
3 0
3 years ago
X/6=9/20<br> What is the answer?
Whitepunk [10]

Step-by-step explanation:

\frac{x}{6}  =  \frac{9}{20}  \\

x \times 20 = 9 \times 6

20x = 54

x =  \frac{54}{20}  \\

x = 2.7

8 0
2 years ago
Oxford currently generates 45,000 tons of garbage per year. but the city is launching some recycling initiatives to bring that n
barxatty [35]

Answer:

-Exponential Decay

-Decay factor is (1-0.05)

Step-by-step explanation:

-Given that the number decreases by a defined rate each year from the initial size by 5%,

-This is an exponential decay function of the form:

y=Ae^{-rt}

Where:

y is the quantity/size after time t

A is the initial size

r is the rate of decay

-Our function can the be written as

y=45000e^{-0.05t}

Hence, the decay rate/factor is 0.05

#Alternatively

The exponential decay can be of the form:

y=ab^x

Where:

y is the size at time x, a is the initial size, x is time and b is the decay factor.

b is of the form b=(1-r),\ \  r=decay\  rate

y=ab^x\\\\y=45000(1-0.05)^x

Hence, the decay factor is (1-0.05)

8 0
3 years ago
a trapezoid with base measure of 23 km and 29km an area of 390km . find the height of the trapezoid.
cupoosta [38]
Hello!

To find the area of a trapezoid you use the equation

A =  \frac{a+b}{2} h

Put in the values you know

390 =  \frac{23+29}{2} h

Add

390 = \frac{52}{2} h

Divide

390 = 26 * h

Divide both sides by 26

15 = h

The answer is 15km

Hope this helps!
3 0
4 years ago
Read 2 more answers
Subtract the mixed fractions 7 1/4 - 2 4/5=
vaieri [72.5K]

Answer:

4.45

Step-by-step explanation:

I took a test and this question appeared,i remembered the answer , Sorry if i got it wrong..

4 0
3 years ago
Read 2 more answers
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