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Cloud [144]
3 years ago
10

HELP A BRAINLY SISTA OUT!!!

Mathematics
2 answers:
EastWind [94]3 years ago
6 0

Jenifer can paint a room in 10 hours. When Carl helps the time is reduced to 6 hours.

frez [133]3 years ago
3 0

Answer:

10 hours is Jennifer or 12

Step-by-step explanation:

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Quiz<br> 6. Simplify the expression.<br> 4 (10 – 4)² + 4)<br> A6<br> B 36<br> D 12
larisa86 [58]

This is all about operations priority! We have to perform the operations in the right order, remembering that parentheses come first, then powers, then multiplications and then additions:

Start with

4(10-4)^2+4

Perform the operations inside parenthesis first:

4\cdot 6^2+4

Perform the square:

4\cdot 36+4

Perform the product:

144+4

Perform the sum:

148

Note: you have an extra parenthesis at the end, and none of the options meets the result. I'm afraid that there's a typo in the question, but this should still give you a valid strategy to solve the actual exercise.

4 0
4 years ago
Read 2 more answers
Solve for x.<br> 5x – 4 &gt; 12 OR 12x+5 &lt; -4
hammer [34]

Answer:

x < -3/4 OR x>16/5

Step-by-step explanation:

5x – 4 > 12 OR 12x+5 < -4

Solve the parts separately and then put back together

5x – 4 > 12

Add 4 to each side

5x-4+4>12+4

5x >16

Divide each side by 5

5x/5>16/5

x > 16/5

12x+5 < -4

Subtract 5 from each side

12x+5-5<-4-5

12x<-9

Divide each side by 12

12x<-9/12

x <-3/4

Put back together

x < -3/4 OR x>16/5

3 0
3 years ago
What are possible values of x and why (7^0)^x=1
Tomtit [17]
\left(a^n\right)^m=a^{n\cdot m}\\\\(7^0)^x=7^{0\cdot x}=7^0=1\\\\conclusion:\\\\x\in\mathbb{R}
6 0
4 years ago
PLEASE HELP!! <br> What is the volume?<br> 8 t<br> 7 ft<br> 21<br> cubic feet
Anarel [89]

Answer:

The answer is 8ft

Step-by-step explanation:

hope that helps :)))

3 0
3 years ago
Read 2 more answers
Plzzz helpppp urgenly❤️
kumpel [21]

Answer:

\mathrm{D.} \: (\frac{5}{4} )^{\frac{7}{2}

Step-by-step explanation:

\sqrt{(\frac{5}{4})^7 }

Apply rule : \sqrt{a} =a^{\frac{1}{2} }

((\frac{5}{4})^7 )^{\frac{1}{2} }

Apply rule : (a^b)^c=a^{bc}

(\frac{5}{4} )^{7 \times \frac{1}{2} }

(\frac{5}{4} )^{\frac{7}{2}

7 0
4 years ago
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