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3 years ago

Slope of (10,8) (2,1)

Mathematics

1 answer:

Reptile [31]3 years ago

6 0

Answer:

slope=7/8

Step-by-step explanation:

8-1/10-2= 7/8

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What is the multiplicative inverse 23/7?

Elena-2011 [213]

Answer:

7/23

Step-by-step explanation:

6 0

3 years ago

A fair tossed 10 times . Find the probability of obtaining (i) exactly four heads (ii) 3 heads and 7 tails (iii) at least one he

vodka [1.7K]

Answer:

0.205 ; 0.117 ; 0.999

Step-by-step explanation:

Using binomial probability distribution :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

Probability of success, p = 0.5

P(x = 4) = 10C4 * 0.5^4 * 0.5^6

P(X = 4) = 0.205078125

B.) 3 heads and 7 tails

P(X = 7) = 10C7 * 0.5^7 * 0.5^3

P(X = 7) = 120 * 0.0009765625

P(X = 7) = 0.117

P(atleast one head)

P(x greater than equal to 1) = p(x =1) +... P(x = 10)

Using a binomial probability calculator :

P(x greater than equal to 1) = 0.999

3 0

3 years ago

Find the area. 7 in. 5 in. 12 in.

vitfil [10]

Answer and Step-by-step explanation:

The area formula for a trapezoid is as follows:

A = $\frac{a + b}{2}h$

Where:

A = Area

a = top side length

b = bottom side length

h = height

Plug in the values given to you into the equation and solve.

A = $\frac{7 +12}{2}(5)$

A = $\frac{19}{2}(5)$

A = $\frac{95}{2}$

A = 47.5 $in.^2$ is the answer.

#TeamTrees #PAW (Plant And Water) #ALM (All Lives Matter)

6 0

3 years ago

The question is below

Anna35 [415]

Answer:

12) A = 27

13) B = 36

14) C = 25

15) D = 30

Step-by-step explanation:

We need to complete the ratio tables

We are given:

Footballs 15 5 20 C D

Baseballs A 9 B 45 54

The table shows the ratio of footballs to baseballs.

We are given the ratio $\frac{Football}{Baseball}=\frac{5}{9}$

All other ratios will also be simplified to get $\frac{5}{9}$

12) Calculate A

Footballs = 15

Baseballs = A

Common ratio is 5/9, we need to find a number that multiplies by 5 to get 15, same number will be multiplied by denominator to get A.

We know that $\frac{5\times3}{9\times3}= \frac{15}{27}$

So, A = 27

13) Calculate B

Footballs = 20

Baseballs = B

Common ratio is 5/9, we need to find a number that multiplies by 5 to get 20, same number will be multiplied by denominator to get B.

We know that $\frac{5\times4}{9\times4}= \frac{20}{36}$

So, B = 36

14) Calculate C

Footballs = C

Baseballs = 45

Common ratio is 5/9, we need to find a number that multiplies by 9 to get 45, same number will be multiplied by numerator to get C.

We know that $\frac{5\times5}{9\times5}= \frac{25}{45}$

So, C = 25

15) Calculate D

Footballs = D

Baseballs = 54

Common ratio is 5/9, we need to find a number that multiplied by 9 to get 54, same number will be multiplied by numerator to get D.

We know that $\frac{5\times6}{9\times6}= \frac{30}{54}$

So, D = 30

8 0

3 years ago

What is the answer to 2x+7x+3

leonid [27]

9x+3. you have to combine like terms.

8 0

3 years ago

Read 2 more answers