MATHEMATICS HIGH SCHOOL

The following are the last 10 run scores Colin got in cricket:18, 12, 6, 1, 21, 10, 21, 18, 20, 7
a) Work out Colin's mean score.
b) Colin plays cricket again on Sunday. He gets 9 runs.
What is his new mean score?
Give your answers as decimals.
a)
b)

Answers

Answer 1
Answer:

Answer:

A) 13.4

B) 13

Step-by-step explanation:

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Solve -2 x + 6 = -20.

Add. -26.41 53.74
a. 80.15
b. 27.33
c. 27.33
d. 80.15

Answers

Hello,

High school ??? (must i do it by integral calculus? )

..... 53.74
-....26.41
________
.....27.33
Answer C

Evaluate the expression for the given value of the variable(s): (4(3h-6))/(1+h);h=-2. A. 32. B. 48. C. -48. D. 30.

Answers

(4(3*-2-6))/(1-2) = 4*-12/-1 = 48

the answer will be the option B.
[4(3h-6)]/1+h
[4(3x-2 -6)] / 1-2
[4(-6-6)] / -1
[4(-12)] / -1
-48 / -1
     48  answer is B. 48

Solve −2x − 13 = 8x + 7. (1 point)


−2
2
−6
6

Answers

To solve for the value of x, it is easiest by isolating "x" to one side of the equation. This method is shown below:

-2x - 13 = 8x + 7

Adding 2x to both sides:

-2x - 13 + 2x = 8x + 7 + 2x
-13 = 10x +7

Subtracting 7 from both sides:

-13 - 7 = 10x + 7 - 7
10x = -20

Dividing both sides by 10:

10x / 10 = -20 / 10
x = -2
solve:
-2x-13=8x+7
-2x-8x=7+13
-10x=20
-x=20/10
-x=2
x= -2
THE ANSWER IS -2

Help me pleaseee please

Answers

Answer:

1) c/d = pi

Step-by-step explanation:

since c= pi x d

divide both sides by d

c/d = pi

Add and simplify 9/16 + 1/2= ?

Answers

when adding fractions, they should have the same denominator.
the denominators of the 2 fractions 9/16 and 1/2 are 16 and 2 respectively.
 to bring them both to the same denominator we can multiply both numerator and denominator of 1/2 by 8 and we get ---> 8/16.
(1*8)/(2*8) = (8)/(16)
then the 2 fractions are 9/16 and 8/16. Now we can add the 2 fractions. when denominator is same the numerator values shoud be added.

(9)/(16) + (8)/(16) = (17)/(16)
This is an improper fraction since 16/16 is 1 whole and 1/16 is remaining, simplified fraction = 1 1/16

The addition of  \frac{9}{{16}} +(1)/(2) is \boxed{\frac{{17}}{{16}}}.

Further explanation:

Given:

The expression is \frac{9}{{16}} + (1)/(2).

Explanation:

Consider the first fraction as \frac{9}{{16}} and consider the second fraction as (1)/(2).

To add the two fractions first we need to make the same denominator.

The denominator of the first fraction is 16.

The denominator of the second fraction is 2.

Multiply the numerator and denominator of the second fraction by 8.

\begin{aligned}{\text{Fraction}}&= (1)/(2) * (8)/(8)\n&= \frac{8}{{16}}\n\end{aligned}

Now the denominator of the second fraction is 16.

The second fraction is \frac{8}{{16}}.

Now add the fractions and simply.

\begin{aligned}{\text{Addition}}&=\frac{9}{{16}} + \frac{8}{{16}}\n&= \frac{{9 + 8}}{{16}}\n&= \frac{{17}}{{16}}\n\end{aligned}

The simplified or improper fraction of addition can be obtained as follows,

\begin{aligned}S&= \frac{{16 + 1}}{{16}}\n&=\frac{{16}}{{16}} + \frac{1}{{16}}\n&= 1 + \frac{1}{{16}}\n&= 1\frac{1}{{16}}\n\end{aligned}

The addition of  \frac{9}{{16}} + (1)/(2) is \boxed{\frac{{17}}{{16}}}.

Learn more:

1. Learn more about inverse of the functionbrainly.com/question/1632445.

2. Learn more about equation of circle brainly.com/question/1506955.

3. Learn more about range and domain of the function brainly.com/question/3412497

Answer details:

Grade: Middle School

Subject: Mathematics

Chapter: Fractions

Keywords: fraction, simplify, 9/16, 1/2, add, subtraction, denominators, numerators,

If you can exchange 104.51 US dollars for 1,322.14 Mexican pesos, what is the exchange rate of the US dollar to the Mexican peso, to three decimal places?

Answers

Given:
USD: 104.51
Mexican pesos: 1,322.14

1,322.14 / 104.51 = 12.65

1 US Dollar is equal to 12.65 Mexican Pesos

or 

104.51 / 1,322.14 = 0.079

1 Mexican peso is equal to 0.079 US Dollars.
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