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slava [35]
3 years ago
8

XYZ Toys makes a Feed-Me Baby Doll for $10.40. They mark up the cost by 55%. What is the selling price for the Feed-Me Baby Doll

?
Mathematics
1 answer:
Lesechka [4]3 years ago
3 0
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Please solve the following questions!!
alexandr402 [8]

Answer:

3. The missing angle is 56°

4. x = 7

Step-by-step explanation:

3.

We know sum of 3 angles in a triangle is 180°.

Looking at the top triangle, we can figure out the third angle. Let third angle be x:

85 + 35 + x = 180

120 + x = 180

x = 180 - 120

x = 60

<u>The angle "x" and the angle that is missing from the "bottom" triangle in the figure, are vertical angles, and hence, are EQUAL.</u>

So the bottom triangle now has 2 angles, 60 and 64 (given). Let the third angle be y(the one with a question mark). So we can write:

60 + 64 + y = 180

124 + y = 180

y = 180 - 124

y= 56

This is the missing angle.

4.

10x - 5 AND 8x + 9 are vertical angles. They ARE EQUAL.

Thus we can write the equation:

(10x-5) =  (8x+9)

10x-8x=9+5

2x=14

x=14/2

x=7

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5 0
3 years ago
Which of the following circles have their centers in the second quadrant? Check all that apply.
erastova [34]

Answer:

B and C

Explanation:

Coordinates of A: (5,-5), which is in the 4th quadrant.

Coordinates of B: (-12,9), which is in the 2nd quadrant.

Coordinates of C: (-3,2), which is in the 2nd quadrant.

Coordinates of D: (2,-7), which is  in the 4th quadrant.

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3 years ago
Savannah had 400 chocolate chips. She used 40 chips for another dish, and mixed the rest of the chips evenly into 3 pans of brow
sweet [91]

full work: 400-40=360, 360/3=120 she used 120 chips in each pan.

hope this helps

8 0
3 years ago
A triangle with a height of 5cm and a base length of 12cm what is the perimeter
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Answer: 5+5+12+12

Step-by-step explanation:

7 0
3 years ago
Main Idea: To evaluate an exponential growth or decay function, substitute a value for the exponent variable and simplify.
Helen [10]
If there is more to the answer than what I give please ask for more!

With F(x) = 3^{x} we can find F(4) by substituting 4 into the main function.

So it would look like this: F(4) = 3^{4} = 3*3*3*3 = 81

Hope this helps!
3 0
2 years ago
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