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4 years ago

F divided by -2/3 = -1/3 solve for f

1 answer:

3 0

$f \div \frac{ - 2}{3} = \frac{ - 1}{3} \\ \\ f = \frac{ - 1}{3} \times \frac{ - 2}{3} \\ \\ \boxed{ \red{f = \frac{2}{9} }}$

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For his birthday, Mr. Robin and four of his friends went to a Math museum to learn about new intergalactic math. They each got a

Helen [10]

Answer: $10

Step-by-step explanation:

Given

Robin and his four friends bought tickets for $\$12$ each

If each one of them bought a calculator then the total spendings are $\$110$

Suppose the cost of each calculator is $\$\ x$

Cost per person is given by $x+\$12$

For the group, it is $5(x+12)$

Equate this to total spendings

$\Rightarrow 5(x+12)=110\\\Rightarrow x+12=22\\\Rightarrow x=\$\ 10$

thus, the cost of each calculator is $\$ 10$

4 0

3 years ago

The gratuity on a restaurant bill was $18. If a 20% tip was left, what was the original amount of the bill? To solve, use what e

quester [9]

Gratuity is the total tip given.

The tip is directly proportional to total cost:

18/0.20 = x/1.00

$90

4 0

4 years ago

Read 2 more answers

Listed below are amounts of strontium-90 (in millibecquerels, or mBq) in a simple random sample of baby teeth obtained from r

Alenkinab [10]

Answer:

The 5-number summary is maximum= 175, minimum=126, median=150, Q₁=138 and Q₃=160.5.

Step-by-step explanation:

The given data set is

126, 128, 131, 135, 136, 140, 143, 145, 147, 148, 152, 154, 155, 156, 159, 162, 164, 166, 169, 175

The minimum value of the data is 126 and the maximum value of the data is 175.

Divide the data in two equal parts.

(126, 128, 131, 135, 136, 140, 143, 145, 147, 148), (152, 154, 155, 156, 159, 162, 164, 166, 169, 175)

The median of the data is

$Median=\frac{148+152}{2}=150$

Now divide each parenthesis in two equal parts.

(126, 128, 131, 135, 136), (140, 143, 145, 147, 148), (152, 154, 155, 156, 159), (162, 164, 166, 169, 175)

$Q_1=\frac{136+140}{2}=138$

$Q_3=\frac{159+162}{2}=160.5$

Therefore the 5-number summary is maximum= 175, minimum=126, median=150, Q₁=138 and Q₃=160.5.

8 0

4 years ago

Simplify 6s^5t x s^4t^2. 6 points on the line please help me

Ghella [55]

Answer:

6s9t3

—————

Step-by-step explanation:

Step 1 :

Simplify —

Equation at the end of step 1 :

(((6 • (s5)) • —) • s4) • t2

Step 2 :

Equation at the end of step 2 :

(((2•3s5) • —) • s4) • t2

Step 3 :

Multiplying exponential expressions :

3.1 s5 multiplied by s4 = s(5 + 4) = s9

Equation at the end of step 3 :

6s9t

———— • t2

Step 4 :

Multiplying exponential expressions :

4.1 t1 multiplied by t2 = t(1 + 2) = t3

3 0

3 years ago

Hello :) how to do this question?

Ksivusya [100]

Answer:

5(x+4)(x+1)(x-3)

Step by step:

We know that the polynomial has 3 roots -4, -1, & 3.
Therefore the factors of the polynomial are (x+4), (x+1) and (x-3).
Since the coefficients of x^3 is 5

Thus final answer comes out to be

5(x+4)(x+1)(x-3)

Answered by GAUTHMATH

7 0

3 years ago