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topjm [15]
3 years ago
10

Sinead bought 2 shirts for $15.95 each and a pair of shoes for $42.14. If she paid for the items with a $100 bill, how much chan

ge did she receive? A. $10.01 B. $74.04 C. $41.91 D. $25.96
Mathematics
1 answer:
Scilla [17]3 years ago
6 0

Answer:

D. 25.96

Step-by-step explanation:

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The area of a trapezoid is given by the formula A=h/2(a+b) .<br><br> Solve the formula for b.
Komok [63]

Answer:

(2A)/h -a =b

Step-by-step explanation:

A= [h(a+b)]/2       I rewrote the formula, because h and a+b are in the numerator.

2A=h(a+b)  Multiply both sides of equation by 2

(2A)/h= a+b Divide both side by h

(2A)/h -a= b Subtract a from both sides

4 0
3 years ago
The decay of 942 mg of an isotope is described by the function A(t)= 942e-0.012t, where t is time in years. Find the amount left
Katarina [22]
\bf A(t)=942e^{-0.012t}\qquad \boxed{\stackrel{\textit{after 71 years}}{t=71}}\qquad \qquad A(t)=942e^{-0.012(71)}&#10;\\\\\\&#10;A(t)\approx 401.82042087707606813879
4 0
3 years ago
Read 2 more answers
It takes 1 cup of sugar to make 12 bran muffins.How many cups of sugar are needed to make 15 muffins? How do you know?
ohaa [14]
Well if we look at it this way, 12 divided by 4 equals 3 and 3 times 5 equals 15, so 1 cup divided in to four is one fourth cup. So your Answer is one fourth a cup.

ANSWER 1/4 Cup
6 0
3 years ago
Each student is on 1 team. Race Details The field is 40 feet wide. • Each runner gets 1 lane. •Mrs. Achilles has 7 trophies. Use
ser-zykov [4K]

Answer:

LOL

Step-by-step explanation:

Okay so your going to multiple tye 2 number okay then your going to do all numbers

Use a phone so u can multiple

5 0
3 years ago
10. WEATHER On average, the circular eye of a hurricane is about 15 miles in diameter. Gale winds can affect an area up to 300 m
kykrilka [37]

The equation to represent a possible boundary of the hurricane's eye is (x - 80)² + (y - 26)² = 7.5²

<h3>Circle Equation</h3>

The standard equation of a circle is given by:

(x - h)² + (y - k)² = r²

Where (h, k) is the center of the circle and r is the radius.

Given that diameter = 15 miles, hence radius = 15/2  = 7.5. Also, center = (80, 26)

The equation of circle is:

(x - 80)² + (y - 26)² = 7.5²

The equation to represent a possible boundary of the hurricane's eye is (x - 80)² + (y - 26)² = 7.5²

Find out more on Circle Equation at: brainly.com/question/1559324

5 0
2 years ago
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