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notsponge [240]
3 years ago
13

PLEASE HELP WILL NAME BRAINLIEST AND 5 STARS AND THANKS James uses of a cup of sugar in his cookies, and Jade uses of a cup of s

ugar in her cookies. Noel takes the sum of the two amounts of sugar and divides it into two equal portions, planning to use only one portion of it in his cookies. How much sugar does Noel use in his cookies?
A.
of a cup
B.
of a cup
C.
of a cup
D.
of a cup
Mathematics
2 answers:
Elina [12.6K]3 years ago
7 0
Not sure if I'm understanding this right but, if you take the 1 cup that James has, and add that with the 1 cup that jade has, then you divide the now 2 cups into two equal parts then... You would have 1 cup?
Vlada [557]3 years ago
5 0

Answer:

A 5/8 of a cup 100 percent.

I just did the assignment

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Answer:

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Step-by-step explanation:

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c^2=a^2+b^2-2ab\cos(C)\\

The <em>c </em>in this equation is our <em>x, </em>and the <em>C</em> is the angle we need to find.

From the picture, you can see that angle <em>C </em>is the sum of the red and blue angles.

From a bearing of 190 degrees, we can determine that the red angle measures 10 degrees. Then by alternate interior angles, the other red angle must also measure 10 degrees.

From a bearing of 318 degrees, the remaining 48 degrees is outside the triangle. However, we have a complementary angle, so we can find the angle inside the triangle by subtracting in into 90. Therefore, the blue angle inside is 90-48=42 degrees.

Therefore, angle <em>C </em> is 42+10 which equals 52 degrees. Now we can plug this into our formula:

x^2=a^2+b^2-2ab\cos(C)\\\\x^2=(18.9)^2+(47.2)^2-2(18.9)(47.2)\cos(52)\\x=\sqrt{(18.9)^2+(47.2)^2-2(18.9)(47.2)\cos(52)}\\\text{Use a Calculator}\\x\approx38.5566 \text{ km}

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