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forsale [732]
3 years ago
15

-4=3" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Likurg_2 [28]3 years ago
6 0

Answer:

x = 22

Step-by-step explanation:

<u>Step 1:  Add 4 to both sides</u>

<u />\sqrt{2x + 5}-4+4=3+4

\sqrt{2x+5}=7

<u>Step 2:  Square both sides</u>

<u />(\sqrt{2x+5})^2 = 7^2

2x+5 = 49\\

<u>Step 3:  Subtract 5 from both sides</u>

<u />2x + 5 - 5 = 49 - 5\\

2x = 44

<u>Step 4:  Divide both sides by 2</u>

<u />2x / 2 = 44 / 2\\

x = 22

Answer:  x = 22

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-BARSIC- [3]

Answer:

x = -3

Step-by-step explanation:

−5x = 15

-5x/-5 = 15/-5

x = -3

4 0
3 years ago
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Trey’s desk is 3 feet wide. How many inches wide is the desk? A:3 inches B:24 inches C:36 inches or D: 48 inches
natali 33 [55]

Answer:

36

Step-by-step explanation:

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3 years ago
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1. What is the solution for<br> the inequality 4x &lt; 12?
DedPeter [7]

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4x < 12

Divide both sides by 4:

x < 12/4

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That is your solution ^^

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8 0
3 years ago
What is the lcm of 4 and 5
timama [110]

Answer:

20

Step-by-step explanation:

4 * 1 = 4        5 * 1 = 5

4 * 2 = 8        5 * 2 = 10

4* 3 = 12        5 * 3 = 15

4 * 4 = 16       5 * 4 = 20

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they both go into 20 equally. there is no number lower than 20 that they both go into

8 0
3 years ago
A local hamburger shop sold a combined total of 445 hamburgers and cheeseburgers on Tuesday. There were 55 fewer cheeseburgers s
liberstina [14]
Let x represent the number of hamburgers sold, and (x - 55) represent the number of cheeseburgers sold.

Set up an equation:
hamburgers + cheeseburgers = total number of burgers

x + (x-55) = 445

solve for x: 
2x - 55 = 445

2x = 445 + 55

2x = 500

x = 500÷2

x = 250

This means 250 hamburgers were sold on Tuesday.

Hope this helps!

-Jabba


4 0
3 years ago
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