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zhannawk [14.2K]
3 years ago
5

together Alice & Mindy have saved $490 for a trip this summer. Amy has saved $54 more than Mindy. How much has each person s

aved? Write a system & use substitution to solve.
Mathematics
2 answers:
guapka [62]3 years ago
7 0

Answer:

amy/alice saved 150$ andmindy saved 340$

Step-by-step explanation:

Rus_ich [418]3 years ago
4 0

Answer:

Alice saved 218 and mindy saved 218+54

Step-by-step explanation:

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What is the value of the expression (-8/9) + (-2/3) x (-4 1/2)
geniusboy [140]

\frac{4}{9}

I hope this this is what you need ..

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3 years ago
A plane intersects a prism to form a cross section that is a polygon with five sides. The minimum number of sides that the polyg
antoniya [11.8K]

Answer:

Since the plane if cutting through the prism to make 5 sides, than the original shape needs to have less than 5.

A prism, is a 3D shape, so you can't have a 2 sided shape.

Now you have a choice of 3+or 4 sides.

A 3 sides shape is a triangle, which also can't be cut into a 5 sided prism, so the answer would need to be 4.

Step-by-step explanation:

4 0
3 years ago
What is the product? 2x+8 x2 + 3x-4 x(x-4)(x-1) 20x+4) 2 (x+4)(x-4) 2x(x-1) 2x(x+4)​
guajiro [1.7K]

=−640x10+1280x9+19904x8−40728x7−144488x6+323904x5−162304x4+1024x3+2048x2

step by step

(2x+8x2+3x−4x(x−4)(x−1)(20)x+4)(2)(x+4)(x−4)(2)x(x−1)(2)x(x+4)

=((2x+8x2+3x−4x(x−4)(x−1)(20)x+4)(2)(x+4)(x−4)(2)x(x−1)(2)x)(x+4)

=((2x+8x2+3x−4x(x−4)(x−1)(20)x+4)(2)(x+4)(x−4)(2)x(x−1)(2)x)(x)+((2x+8x2+3x−4x(x−4)(x−1)(20)x+4)(2)(x+4)(x−4)(2)x(x−1)(2)x)(4)

=−640x10+3840x9+4544x8−58904x7+91128x6−40608x5+128x4+512x3−2560x9+15360x8+18176x7−235616x6+364512x5−162432x4+512x3+2048x2

=−640x10+1280x9+19904x8−40728x7−144488x6+323904x5−162304x4+1024x3+2048x2

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3 years ago
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Is y = -4 + 2x linear?​
BlackZzzverrR [31]

Answer: it is linear

Step-by-step explanation: Find the degree of the equation to determine if linear.

5 0
2 years ago
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