Find the value of x

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Answer:

Let the scores on the first two test be x

Let score for third test be 14 exceeds second( or first) = x + 14

Total = 233

x + x + (x + 14) = 233

3x + 14 = 233

3x = 219

x = 73

Score of the third test = x + 14 = 73 + 14 = 87

Therefore, the scores are 73, 73, 87

Answer: 3.8^12 or

Step-by-step explanation:

Answer:

You can find 0.5% of a number by multiplying the number by

Step-by-step explanation:

Answer:

Volume, V = 75.41 cubic inches.

Step-by-step explanation:

Given the following data;

Radius, r = 3 inches

Height = 8

To find the volume of the right circular cylinder;

Mathematically, the volume of a right circular cylinder is given by the formula;

V = πr²h

Where;

Substituting into the formula, we have;

Volume, V = 3.142 * 3 * 8

Volume, V = 3.142 * 24

Volume, V = 75.41 cubic inches.

Answer:

[tex] {3y}^{3} - 12y \\ = 3y( {y}^{2} - 4) \\ = 3y( {y}^{2} - {2}^{2} ) \\ = 3y(y - 2)(y + 2) \\ = 3y(y + 2)(y - 2)[/tex]

a^2-b^2=(a+b)(a-b)

a=y b=2

3y(y+2)(y-2)

Answer:

the answer is −4x+10y−6z

Step-by-step explanation:

(−2x+5y−3z)2

Use the distributive property to multiply −2x+5y−3z by 2.

−4x+10y−6z

Answer:

(-2x+5y-3z)2

-2x*2+5y*2-3z*2

-4x+10y-6x

Step-by-step explanation:

Hope this helps u!!

Answer:

-5

Step-by-step explanation:

If you add 5 to -5 it will be 0 due to the - in -5. This is because negative numbers are below 0.

Answer:

1/6

Step-by-step explanation:

Answer:

7= 800 √5

8= √10/2

Answer:

The interval is [4,7]

Step-by-step explanation:

The rate of change is given by

f(x2) - f(x1)

-------------------

x2 -x1

We want the rate of change to be 56

f(x2) - f(x1)

-------------------  = 56

x2 -x1

We also know that the x2 is 7  so f(x2) = 192

192 - f(x1)

-------------------  = 56

7 -x1

192 - f(x1) = 56( 7 -x1)

192 - f(x1) = 392 -56x1

Now we need to pick points from the table and see where it is true

(6,96)

192 - 96 = 392 -56*6

96=56  False

( 5,28)

192 - 28 = 392 -56*5

164=112  False

(4,24)

192 - 24 = 392 -56*4

168=168  True

The interval is [4,7]

Answer:

Step-by-step explanation:

x= -7; (0.2)

x  =  1.4

----------------

y =−  2  x   −7

I really hope this helps

Answer:

5.14 ft

Step-by-step explanation:

The perimeter of a circle is diameter X 3.14. since its half a circle, take the radius and multiply by 3.14. Since the radius is 1, the answer is pi itself. Then add 2 feet for the flat side of the semi-circle

just add them up! and then u shall be good

Answer:

36 units

Step-by-step explanation:

5 + 13 + 5 + 13

10 + 13 + 13

10 + 26

36

Answer:

A

Step-by-step explanation:

Just A!

Answer:

Step-by-step explanation:

Never capitalize the seasons

Answer:

[tex]P(X \geq 13) = 0.021[/tex]

Step-by-step explanation:

From the question we are told that:

Probability of curing patients P(x)=0.65

Sample size n=14

Generally the Binomial equation is mathematically given by

[tex]P(X) =\frac{(n!)}{X!(n-X)!))} *p^X*(1-p)^(n-X)[/tex]

Generally the equation for Equation for at least 12 cured is mathematically given by

[tex]P(X \geq 13) = P(X = 13)+P(X = 14)[/tex]

For [tex]P(X = 13)[/tex]

[tex]P(X = 13) = (14!/(13!(14-13)!))*0.65^13*(1-0.65)^(14-13) \\\\P(X = 13)= 0.018116[/tex]

For [tex]P(X = 14)[/tex]

[tex]P(X = 14) = (14!/(14!(14-14)!))*0.65^14*(1-0.65)^(14-14) \\\\P(X = 14)= 0.00240318[/tex]

Therefore

[tex]P(X \geq 13) =P(X = 13)+P(X = 14)[/tex]

[tex]P(X \geq 13) = 0.018116+0.00240318[/tex]

[tex]P(X \geq 13) = 0.02051918[/tex]

[tex]P(X \geq 13) = 0.021[/tex]

Answer:

um could you transkate to english so i can answer your question?

Step-by-step explanation:

Answer: (1, 3)

Step-by-step explanation: The endpoint of PQ are respectively (-2, -2), and (4, 8). Add  them  up and divide by 2 to find midpoint≈ 1,3

Answer:

18

Step-by-step explanation:

( 3 + √3 ) ( 5 - √2 )

= 3 ( 5 - √2 ) + √3 ( 5 - √2 )

= 15 - 3√2 + 5√3 - √6

√2 = 1.41 ( approximately )

3√2

= 3 x 1.41

= 4.23

√6 = 2.44

√3 = 1.73

5√3

= 5 x 1.73

= 8.65

15 - 3√2 + 5√3 - √6

= 15 - 4.23 + 8.63 - 2.44

= 15 + 8.63 - 4.23 - 2.44

= 15 + 8.63 - 6.67

= 15 + 1.93

= 16.93

Rounding of 16.93 = 17

17 is near to 18.

So, 18 can be the answer.

Answer:

Step-by-step explanation:

-5a^2+ 5a factors as follows:  -5(a - 1) (so -5 goes into the blank space).

 18x^2 + 2x³ factors as follows:  2x^2(x + 9) (so 2x^2 goes into the blank    space)

Answer:

8.77 or 8.80

Step-by-step explanation:

sin (20) = 3/x

x (sin)20)) = 3

divide by sin(20)

x= 8.77 or 8.8

Answer:

1.52

Step-by-step explanation:

38 decreased by 4% = 36.48

Absolute change (actual difference):

36.48 - 38 = - 1.52

Answer:

x = 11 explanation : " $3 subtracted from the cost of the book just number 8! " As an equation this would be : x - 3 = 8 SOLVE x - 3 = 8   + 3  + 3 x = 11 KEY x = cost of book 

hope it helps

Answer:

The answer would be 5.5

Step-by-step explanation:

To prove it, 10 x 2.5 x 5.5 would equal 137.5

Answer: D

Step-by-step explanation:

trust me

Answer:

Linear

Step-by-step explanation:

As x increases by 1, f(x) decreases at a constant rate of -5.

Since the rate is constant, the function must be linear.