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nata0808 [166]
4 years ago
5

Solve for a. 5 + 14a = 9a - 5

Mathematics
2 answers:
Radda [10]4 years ago
5 0

5 + 14a = 9a - 5

<u>      -9a</u>   <u> -9a     </u>

5 + 5a =       -5

<u>-5         </u>    <u>     -5 </u>

       5a =    -10

      \frac{5a}{5} = \frac{-10}{5}

         a = -2

Answer: a = -2

stira [4]4 years ago
3 0

Since you are solving for a, you want to have a on one side of the equation and the other terms on another side of the equation. It would be easiest to have all the terms with a on the left side of the equation, so that is what we will do.

Subtract 9a from both sides to get a on the left side of the equation.

5 + 5a = -5

Subtract 5 from both sides of the equation to isolate the term with a.

5a = -10

Divide both sides of the equation by 5 to solve for a.

a = -2

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The total cost C of bulk jelly beans varies directly as the number of pounds p. If
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Answer:

it would be 4 pounds

Step-by-step explanation:

8.98 times 4 equals 35.92

3 0
3 years ago
A gondola (cable car) at a ski area holds 50 people. Its maximum safe load is 10000 pounds. A population of skiers has a distrib
fenix001 [56]

Answer:   0.03855

Step-by-step explanation:

Given :A population of skiers has a distribution of weights with mean 190 pounds and standard deviation 40 pounds.

Its maximum safe load is 10000 pounds.

Let X denotes the weight of 50 people.

As per given ,

Population mean weight of 50 people = \mu=50\times190=9500\text{ pounds}

Standard deviation of 50 people =\sigma=40\sqrt{50}=40(7.07106781187)=282.84

Then , the probability its maximum safe load will be exceeded =

P(X>10000)=P(\dfrac{X-\mu}{\sigma}>\dfrac{10000-9500}{282.84})\\\\=P(z>1.7671-8)\\\\=1-P(z\leq1.7678)\ \ \ \ [\because\ P(Z>z)=P(Z\leq z)]\\\\=1-0.96145\ \ \ [\text{ By p-value of table}]\\\\=0.03855

Thus , the probability its maximum safe load will be exceeded = 0.03855

3 0
3 years ago
A rectangle is a special type of: I. Pentagon II. Circle III. Quadrilateral IV. Triangle
dimulka [17.4K]
The correct answer is the third choice, Quadrilateral.
8 0
3 years ago
Read 2 more answers
7x4-3x8+2^2-6<br> show step by step pls
kodGreya [7K]

Answer:

2

Step-by-step explanation:

7x4-3x8+2^2-6 : you have to do exponents 1st

7x4-3x8+4-6 : next you multiply 7x4 and -3×8

28-24+4-6 : you add -24+4

28-20-6 : you subtract 28-20

8-6 : you subtract 8-6

2 : thats your answer

sorry if I'm late

4 0
3 years ago
help me!!! A polynomial that has 4 turning points is multiplied by another polynomial that has 1 zeros. What is the minimum degr
Anna71 [15]
The polynomial with 4 turning points has the degree of 4+1 = 5. Whatever number of turning points there are, add 1 and you get the degree.

The degree of the polynomial with one root or zero is 1

When you multiply polynomials, the degrees will add so 5+1 = 6 is the minimum degree of the new polynomial.

The final answer is 6.
7 0
3 years ago
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