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3 years ago

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What is 9 2/3 - 2 8/10

1 answer:

umka21 [38]3 years ago

7 0

9 2/3 - 2 8/10 = 16 13/15

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Tanya [424]

Answer:

$2.50$

Step-by-step explanation:

Given

$(x_1,y_1) = (-1,0.8)$

$(x_2,y_2) = (0,2)$

$(x_3,y_3) = (1,5)$

$(x_4,y_4) = (2,12.5)$

Required

The rate of change (b)

The above graph is represented as:

$y = ab^x$

For: $(x_2,y_2) = (0,2)$ ;

We have:

$y = ab^x$

$2 = a * b^0$

$2 = a *1$

$2 = a$

$a = 2$

For $(x_3,y_3) = (1,5)$ ,

We have:

$y = ab^x$

$5 = a * b^1$

$5 = a * b$

Substitute $a = 2$

$5 = 2 * b$

Divide by 2

$2.5 = b$

$b = 2.5$

<em>Hence, the rate of change is 2.50</em>

7 0

3 years ago

What is the answer to this equation: 40+40-20x0+3+125=

MrRa [10]

Answer:

208

Step-by-step explanation:

20 × 0 = 0

40 + 40 = 80

125 + 3 = 128

3 0

3 years ago

Read 2 more answers

Define a cubic polynomial and a binomial use only one variable in each). Show how to use the Vertical Method to multiply these t

Sedbober [7]

Cubic polynomial

${x}^{3} + {2x}^{2} - 5x - 10$

Binomial

$2x - 3$

By vertical method of multiplication we get,

${2x}^{4} + {x}^{3} - {16x}^{2} - 5x + 30$

8 0

3 years ago

After robbing a bank in dodge city, a robber gallops off at 14 mi/h. 20 minutes later, the marshall leaves to pursue the robber

Morgarella [4.7K]

For this case we have to write the equation of the position of each one.

We have then:

For the robber:

$r = 14t$

For the marshall :

$r = 16 (t- (\frac{20}{60}))$

$r = 16 (t-\frac{1}{3})$

By the time the marshall reaches the robber we have:

$14t = 16 (t-\frac{1}{3})$

From here, we clear the time.

We have then:

$16t - 14t = \frac{16}{3}$

$2t = \frac{16}{3}$

$t =\frac{8}{3}$

$t = 2.7 h$

Answer:

it takes the marshall to catch up to the robber about 2.7 hours.

4 0

3 years ago

Find the 25th term of an arithmetic sequence whose first term is 12 and whose common difference is ‒6.

blondinia [14]

C -132 is the answer

8 0

3 years ago