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n200080 [17]
3 years ago
7

What is the solution to 14-2a=4a-16

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
4 0
14-2a=4a-16 

14=6a-16 

14+16=6a 

30=6a 

30/6 = a 

a = 5
Lelechka [254]3 years ago
3 0
<span>14-2a=4a-16
14+16 =4a +2a
30 = 6a
a= 30:6
a=5</span>
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The circumference of the hub cap of a tire is 83.96 centimeters. Find the area of this hub cap. Use 3.14 for . Use pencil and pa
Bess [88]

Answer:

Area = 561.2485 square centimeter

If the circumference of the hub cap would have been smaller, then its radius would have been smaller and subsequently its area would also have been less.

Step-by-step explanation:

As we know the circumference of a circle is 2\pi r

The radius of the hub cap needs to be devised to determine the area

83.96 = 2* 3.14*r

r = \frac{83.96}{2*3.14}

r = 13.37 centimeters

Area of the hub cap = \pi r^{2}

Substituting the devised value of r in the above equation, we get -

3.14 * 13.37^2\\

561.2485 square centimeter

If the circumference of the hub cap would have been smaller, then its radius would have been smaller and subsequently its area would also have been less.

5 0
3 years ago
What is the solution set for the inequality 4−5g &gt; 39 Question 3 options: g &lt; −7 g&gt;7 g&lt;7 g &gt; −7.
neonofarm [45]

Answer:

g < -7

General Formulas and Concepts:
<u>Algebra I</u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Terms/Coefficients

Step-by-step explanation:

*Note:

When dividing or multiplying both sides of the inequality by a negative, <em>flip</em> the inequality sign.

<u>Step 1: Define</u>

<em>Identify.</em>

4 - 5g > 39

<u>Step 2: Solve for </u><u><em>g</em></u>

  1. [Subtraction Property of Equality] Subtract 4 on both sides:                    -5g > 35
  2. [Division Property of Equality] Divide -5 on both sides:                              g < -7

∴ any number <em>g</em> less than -7 would work as a solution to the inequality.

---

Topic: Algebra I

Unit: Inequalities

8 0
3 years ago
Sally invests $10,500 in an account that earns 6% annual simple interest. Assuming she makes no additional deposits or withdrawa
Fittoniya [83]

Answer: $2520

Step-by-step explanation:

The simple Interest earned on a deposit of P that has a rate of r% and a period of t years can be calculated by using the formula:

(P × R × T)/100

where P is principal

R is rate

T is time

P=$10,500

R=6%

T=4 years

Therefore:

Interest= (10500 × 6 × 4)/100

= 252000/100

= 2520

Sally will earn $2520 as interest after 4 years.

6 0
3 years ago
Joe has eaten 4/5 of a pizza and Jane has eaten 1/7 how many times more pizza has Joe eaten than Jane
lukranit [14]
Answer
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Explanation
Joe Jane
4/5 1/7

28/35 5/35

28/5 = 5.6
Joe ate 5.6 times more than Jane
6 0
3 years ago
-1/5b*less than sign*-2
Vinil7 [7]
-1/5b < -2 

Multiply both sides by (-5)
-1/5b * -5 < -2 * -5

Simplify
     b < 10


8 0
3 years ago
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