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bearhunter [10]
3 years ago
15

M-80=150,doing homework

Mathematics
1 answer:
Umnica [9.8K]3 years ago
6 0
M=230
m-80=150
add 80 to each sides
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Need help with this problem
Aleksandr [31]

4(2 - 5x) = 6 - 3(1 - 3x) \\ 8 -  20x = 3(1  - 3x) \\ 8 - 20x = 3  +  9x \\ subtract \: 9x \: from \: bth \: sides \\  8 - 29x = 3 \\ subtract \: 8 \: from \: both \: sides \\  - 29x =  - 5 \\ divide \:  - 29 \: both \: sides \\ x =  \frac{5}{29}
answer is C
8 0
3 years ago
Pennsylvania has a land area of 44,816 square miles. What is the land area of Pennsylvania rounded to the nearest hundered?
Semenov [28]
44,800 because in 44,816 the 1 is in the hundreds place and since it's smaller than one its going to be a 0
3 0
3 years ago
5% of the toddlers in a preschool class drink water with their lunch. How many toddlers are in the class if 3 drink water with t
OLga [1]

Answer:

<u>There are 60 toddlers in the preschool class</u>

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Percentage of the toddlers in a preschool class drink water with their lunch = 5

Number of the toddlers in a preschool class drink water with their lunch = 3

2.  How many toddlers are in the class?

We'll solve the question, using the Direct Rule of Three, this way:

Percentage      Toddlers

      5                       3

    100                     x

*******************************

5x = 3 *100

5x = 300

x = 300/5

x = 60

<u>There are 60 toddlers in the preschool class</u>

6 0
3 years ago
How would you round 95687 to the nearest thousand?
andre [41]

Answer:

96,000

Step-by-step explanation:

To round to the nearest thousand, we need to look at the digit in the hundreds place, which is 6. Since 6 > 5, we know that we need to round up (because 6 is closer to 10 than it is to 0). Currently, the number is 95 thousand so when rounding up, the answer will be 96,000.

5 0
3 years ago
Whats a quadratic equation that has the roots of 6 and negative 9
Komok [63]

Answer:

x^2-3x-54

Step-by-step explanation:

(x+6)(x-9)     Setup the roots

x^2-9x+6x-54   FOIL out the terms

x^2-3x-54    Add like terms together

5 0
3 years ago
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