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aksik [14]
3 years ago
9

A recipe for 12 apple cinnamon muffins calls for 1 cup of flour. The number of muffins that can be made varies directly with the

amount of flour used. There are 1 3/4 cups of flour available. How many muffins can be made?
Mathematics
1 answer:
White raven [17]3 years ago
6 0

Answer:

21 muffins

Step-by-step explanation:

1 cup will get you 12 muffins. Since you have 3/4 cups left over, you have to find 3/4 of 12. 1/4 is equal to 3. 3x3 equals 9. 12+9 equals 21.

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XYZ is an isosceles triangle inscribed I a circle, center O. XY=XZ= 20 and YZ=18. Calculate to 3.s.f.
Vlad1618 [11]

Answer: 17.9

Step-by-step explanation:

Using Heron's formula:

Area of a triangle is given by:

√s(s-a)(s-b)(s-c)

Where a, b and c ara sides of the triangle and

S = (a+b+c) / 2

In the question above sides are :

XY=XZ= 20 and YZ=18

S = (20 + 20 + 18) / 2 = 58/2 = 29

Area = √29(29-20)(29-20)(29-18)

Area = √29(9)(9)(11)

Area = √25839

Area = 160.74513

Altitude = height(h)

Area = 0.5 × base × height

Base = yz = 18

160.74513 = 0.5 × 18 × h

160.74513 = 9 × h

h = 160.74513 / 9

h = 17.9 (3 s.f)

5 0
3 years ago
The gas tank of Tyrell's truck holds 19.8 gallons. When the tank is empty, tyrell fills it with gas that costs 3.65 per gallon.
Dima020 [189]
3.65x19.8=$72.07 hit that thanks button and 5 star rating plz thankyou!!!!
7 0
3 years ago
which explains the correct way to move the decimal point to find the quotient in the problem 12.46 divided by 100/ My choices ar
pychu [463]
A) two places to the left
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3 years ago
Read 2 more answers
A road has a 10% grade, meaning increasing 1 unit of rise to every 10 units of run.
finlep [7]

Answer:

Part a) The elevation of the road is 6\°

Part b) The rise is 0.2\ km

Step-by-step explanation:

Part a) What is the elevation of the road to the nearest degree?

Let

y-----> the rise of the road ( vertical distance)

x ----> the run of the road (horizontal distance)

we have

y/x=1/10

we know that

The ratio y/x is equal to the tangent of the angle of the elevation of the road

Let

\theta ---->  angle of the elevation of the road

tan(\theta)=y/x

tan(\theta)=1/10

\theta=arctan(1/10)=6\°

Part b)  If the road is two km long, how much does it rise?

using proportion

1/10=y/2

y=2/10=0.2\ km

3 0
3 years ago
Help me again please!
lesantik [10]

Answer:

B

Step-by-step explanation:

median is 26.5  Q1 is 23 Q2 is 29 the lowest is 22 and the highest is 30

7 0
3 years ago
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