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Komok [63]
3 years ago
11

mrs long drive from nashville tennessee to atlanta georgia at an average rate of 50 miles per hour. The following equation can b

e used to determine the number of hours she needed to comlete the drive. 50t=250 How many hours did mrs long take to complete the drive? A 300 B200 C5 D4
Mathematics
2 answers:
levacccp [35]3 years ago
8 0
B 200






Hope this helps
Scrat [10]3 years ago
5 0

50t = 250 \\ t =  \dfrac{250}{50}  \\ t = 5

Answer is C. 5

Hope this helps. - M
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Lorico [155]

Answer:

<h2><u>x = 1</u></h2>

Explanation:

- 5x + 2y = 9

  • y = 7x
  • <u>Insert 7x For 'y'</u>

- 5x + 2(7x) = 9

  • <u>Remove Parenthesis</u>

-5x + 2 · 7x = 9

  • <u>Multiply: 2 · 7 = 14</u>

-5x + 14x = 9

  • <u>Add: -5x + 14x = 9x</u>

9x = 9

  • <u>Divide Both Sides By 9</u>

9x ÷ 9 = 9 ÷ 9

<h2><u>x = 1</u></h2>
8 0
3 years ago
If f(x) = 3x^2 - 4x + 5 and g(x) = 2x^2 + 2,<br> find f(x) – g(x).<br><br> Answer: x^2 - 4x + 3
Nadusha1986 [10]

Answer:

f(x) – g(x) = x^2 - 4x + 3

Step-by-step explanation:

f(x) = 3x^2 - 4x + 5 and g(x) = 2x^2 + 2,

f(x) – g(x) = 3x^2 - 4x + 5 - ( 2x^2 + 2)

Distribute the minus sign

f(x) – g(x) = 3x^2 - 4x + 5 - 2x^2 - 2

  Combine like terms

f(x) – g(x) = x^2 - 4x + 3

 

5 0
3 years ago
mrs. henein is purchasing cupcakes for her homeroom class. of each cupcake costs $2.25 and she has 31 students in her homeroom c
Luda [366]

Answer:

$69.75

Step-by-step explanation:

Multiply $2.25 by 31 students

5 0
3 years ago
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How many digits will be behind the decimal point when you find the product of 8.381 x 0.7?
tangare [24]

Answer:

4

Step-by-step explanation:

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3 years ago
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I have some questions that need to be answered fast.<br><br> 1. 42/j = 35/55
Novay_Z [31]

\frac{42}{j}  =  \frac{35}{55}

to solve for j first you need to cross multiply;

j × 35 = 42 × 55

35j = 2,310

j = 2,310 ÷ 35 (did the inverse operation)

j = 66

Hope that helps :D

6 0
3 years ago
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