If your going through a tuff time stop and read this!!!!

Mathematics

2 answers:

vodka [1.7K]3 years ago

5 0

Answer:

Thank you for this, this week I've been unmotivated and just unhappy school had been so stressful lately, I'm just getting by on C's and B's and I feel like I'm a burden to everyone.

Rashid [163]3 years ago

3 0

Answer:

Thank you for the motivation. Hope you are doing well too. You might save a life with this

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What is the simplified expression for the expression below? -1/5(5x+20)-1/4(4x-28)

e-lub [12.9K]

You need to distribute the numerical factors for each term in the parenthesis:

$\dfrac{-1}{5}(5x+20)-\dfrac{1}{4}(4x-28) = \dfrac{-1}{5}\cdot 5x + \dfrac{-1}{5}\cdot 20 + \dfrac{-1}{4} \cdot 4x + \dfrac{-1}{4} \cdot (-28)$

This equals

$-x-4-x+7 = -2x+3$

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3 years ago

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What is the value of b? A 76 B 106 C 120 D 224

fredd [130]

68 + a = 180
a = 180 - 68
a = 112
b = 2(112) - 104
b = 224 - 104
b = 120

answer
C 120

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3 years ago

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A baker displays 144 cookies on 9 identical platters. How many platters does the baker need to display 64 cookies? Enter your an

NISA [10]

Answer:

4 platters

Step-by-step explanation:

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2 years ago

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Of the 30 students in the sixth period math class, 8 are also in the same fourth period science class. Which can be used to dete

Kazeer [188]

Answer:

A. (8/30)(22/29)(21/28)

Step-by-step explanation:

The key is in reading the question really thoroughly, like, way more than you would expect. The first person is from the group of 8, thus (8/30), but the other two cannot be from the group of 8. 30(students total) minus 8 (the 8 people from science class)=22 (remaining in math). You choose one person who is not from the group of 8, and you are left with 21 other people. The number of students available to be in a group goes down each time: 30 down to 29 down to 28 (the denominators). Kaboom, A. (8/30)(22/29)(21/28).