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Tcecarenko [31]
3 years ago
12

Find the whole. 20% of is 18.

Mathematics
1 answer:
Stolb23 [73]3 years ago
8 0
Since 20% can be rewritten as 1/5, then we can multiply 18 by 5 to get 90, which is your answer. Hope this helps!
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6 0
3 years ago
A recipe for pie dough calls for a ratio of butter to flour of 1/4 :5/6.If you plan to use 5 cups of flour,how much butter shoul
Komok [63]

Answer:

\frac{3}{2}  cups of butter should be use to keep the same ratio.

Step-by-step explanation:

Given:

A recipe for pie dough calls for a ratio of butter to flour of 1/4 :5/6.

If you plan to use 5 cups of flour.

Now, to find the butter should be used to keep the same ratio.

So, to get the quantity of butter by using unitary method:

If, \frac{5}{6}  cup of flour use then butter should be = \frac{1}{4} .

So, 1 cup of flour use then butter should be = \frac{1}{4} \div \frac{5}{6} =  \frac{6}{20} .

Thus, for 5 cups of flour butter should be = \frac{6}{20} \times 5 = \frac{30}{20}=\frac{3}{2} .

Therefore, \frac{3}{2} cups of butter should be use to keep the same ratio.

5 0
3 years ago
If the measure of ABC is 57º, what is the measure of AB?
azamat

Answer:

114°

Step-by-step explanation:

The measure of an arc is double the measure of the angle between the chord and the tangent line.

3 0
3 years ago
A quarter has a diameter of 24 mm.
Whitepunk [10]

Answer:

C or D

Step-by-step explanation:

6 0
3 years ago
Can someone help me out with this.
pickupchik [31]

The side MK measures 3.3 feet.

Step-by-step explanation:

Step 1:

In the triangle, the angle is 25°, the adjacent side has a length of x feet while the hypotenuse of the triangle measures 3.6 feet. The opposite side of the triangle is not given.

To determine the value of x, we determine the value of the cos of the given triangle.

To calculate the cos of an angle we divide the adjacent side by the hypotenuse of the same triangle.

cos \theta = \frac{adjacentside}{hypotenuse} .

Step 2:

The length of the adjacent side = x feet.

The length of the hypotenuse = 3.6 feet.

cos \theta = \frac{adjacentside}{hypotenuse}, cos 25 = \frac{x}{3.6} , cos 25 = 0.9063.

x = 0.9063 (3.6) = 3.2626.

So the adjacent side of the triangle measures 3.2626 feet. Rounding this off to the nearest tenth, we get that MK measures 3.3 feet.

3 0
3 years ago
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