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mr_godi [17]
3 years ago
8

I have no idea how to do this!​

Mathematics
1 answer:
-BARSIC- [3]3 years ago
5 0

Step-by-step explanation:

18.

4(c+5)-f⁴

4(-1+5)-4⁴

4(4)-4⁴

16-256

-240

19.

-3[(w-6)²+x]²

-3[(5-6)²+6]²

-3[-1²+6]²

-3[1+6]²

-3[7]²

-3(49)

-147

20.

3.5[h³-(3j/6)²]

3.5[3³-(3*-4/6)²]

3.5[27-(-12/6)²]

3.5[27-(-2)²]

3.5[27-4]

3.5[23]

80.5

21.

x[y²-(55-y^5)÷3]

-6[6²-(55-6^5)÷3]

-6[36-(55-7776)÷3]

-6[36+7721÷3]

-6[7757÷3]

-6[2585.66]

-15513.96

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Answer:

Brianna

Step-by-step explanation:

(p^-5)/q⁰

(p^-5)/1

1/p⁵

1/p⁵ × q⁰

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Which values for x make this inequality true?<br><br> −15x+4≤39
nadezda [96]

Answer:

x ≥ -7/3

Step-by-step explanation:

<h3>General Formulas and Concepts:</h3>

Pre-Algebra

<h3>Order of Operations: BPEMDAS</h3>

Brackets

Parenthesis

Exponents

Multiplication

Division

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Subtraction

Left to Right

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Step-by-step explanation:

Step 1: Define Inequality

-15x + 4 ≤ 39

Step 2: Solve for x

Subtract 4 on both sides:                     -15x ≤ 35

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8 0
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Solve. 3 1/4 - 1 5/8
erik [133]

Step 1. Convert 3 1/4 to an improper fraction.

3 * 4 + 1/4 - 1 5/8

Step 2. Simplify 3 * 4 to 12

12 + 1/4 - 1 5/8

Step 3. Simplify 12 + 1 to 13

13/4 - 1 5/8

Step 4. Convert 1 5/8 to an improper fraction.

13/4 - 1 * 8 + 5/8

Step 5. Simplify 1 * 8 to 8

13/4 - 8 + 5/8

Step 6. Simplify 8 + 5 to 13

13/4 - 13/8

Step 7. Find the Least Common Denominator (LCD) of 13/4, 13/8

LCD = 8

Step 8. Make the denominators the same as the LCD

13 * 2/ 4 * 2 - 13/8

Step 9. Simplify. Denominators are now the same

26/8 - 13/8

Step 10. Join the denominators

26 - 13/8

Step 11. Simplify

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Step 12. Convert to a mixed fraction

1 5/8


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