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statuscvo [17]
2 years ago
9

What is -7 equals 3 + K

Mathematics
2 answers:
ki77a [65]2 years ago
5 0
-10=k is going to be your answer
alexgriva [62]2 years ago
4 0
The will be -10 !!!!
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6 1/2 divided by 34/4
elena-14-01-66 [18.8K]

Answer: 13/17

Step-by-step explanation: //Give thanks(and or Brainliest) if helpful (≧▽≦)//

7 0
2 years ago
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4 students is what percentage of 20 students?2 doctors is _____% of 25 doctors.
Ray Of Light [21]

In both cases, we can use a rule of three.

<h2>First part</h2>\begin{gathered} 20\text{ students}\rightarrow100\text{\%} \\ 4\text{ students}\rightarrow x \\ x=\frac{4\text{ students}\cdot100\text{\%}}{20\text{ students}} \\ x=\frac{4\cdot100\text{\%}}{20} \\ x=\frac{400\text{\%}}{20} \\ x=20\text{\%} \end{gathered}

Therefore, 4 students correspond to 20% of 20 students in total.

<h2>Second part</h2>\begin{gathered} 25\text{ doctors}\rightarrow100\text{\%} \\ 2\text{ doctors}\rightarrow x \\ x=\frac{2\text{ doctors}\cdot100\text{\%}}{25\text{ doctors}} \\ x=\frac{2\cdot100\text{\%}}{25} \\ x=\frac{200\text{\%}}{25} \\ x=8\text{\%} \end{gathered}

Therefore, 2 doctors correspond to 8% of 25 doctors in total.

4 0
1 year ago
Cora bought half a dozen cupcacks for $2.70. What was the price per cupcakes?
viktelen [127]

Answer:

\approx\$0.23/cupcake

Step-by-step explanation:

\frac{\$2.70}{12cupcakes}=\frac{\$0.225}{1cupcake}\approx\$0.23/cupcake

8 0
2 years ago
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Evaluate the following expression. 1/5^-2 <br> Evaluate 6^-3
Marizza181 [45]
1/5^-2 = 5^2 so this equals

 = 25
7 0
3 years ago
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Hey everyone. what is 7(1-8n)
Taya2010 [7]

Answer:

7(1-8n)=0


We simplify the equation to the form, which is simple to understand

7(1-8n)=0


Reorder the terms in parentheses

+(+7-56n)=0


Remove unnecessary parentheses

+7-56n=0


We move all terms containing n to the left and all other terms to the right.

-56n=0-7


We simplify left and right side of the equation.

-56n=-7


We divide both sides of the equation by -56 to get n.

n=0.125




5 0
3 years ago
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