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3 years ago

Evaluate the expression for g = 6 and h = -1. gh − 3 =

Mathematics

2 answers:

Aliun [14]3 years ago

8 0

6 x -1 = -6

-6 - (3) = -9

Not 100% sure if that's correct but I tried :)

umka21 [38]3 years ago

3 0

-9 is the answer to your problem

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I need help with this question

Radda [10]

Answer:

2√14m

Step-by-step explanation:

Hypothenus = 9m

Second side = x

third side = 5m

Using Pythagoras theorem

9² = x² + 5²

81 = x² + 25

x² = 81 - 25

x² = 56

x = √56

= √4 × √ 14

= 2√14m

8 0

3 years ago

Given;, angle 2 = angle 4. angle 2 = 110<br>prove angle 3 = 70

Reil [10]

Answer:

Step-by-step explanation:

180-110+70

7 0

3 years ago

PLease ANSWER You get 30 points On your math quiz, you earn 5 points for each question that you answer correctly. In the table b

Mamont248 [21]

The total number of points scored on the test woukd be 200. the independent variable would be x, or the number of questions answered correctly. the dependent would be the points scored because the points scored depends on how good you did on the test.

7 0

3 years ago

Read 2 more answers

The sum of the first 10 terms of an arithmetic sequence is 235 and the

Degger [83]

Answer:

$\bold{a_1 = -42.65}\\\\\bold{d=14.7}$

Step-by-step explanation:

The sum of the first 10 terms of an arithmetic sequence is:

$S_{10}=a_1+a_2+...+a_{10}=\dfrac{a_1+a_{10}}{2}\cdot10=\dfrac{2a_1+(10-1)d}{2}\cdot10$

$\dfrac{2a_1+(10-1)d}{2}\cdot10=235\\\\(2a_1+9d)\cdot5=235\\\\2a_2+9d=47$

the sum of the second 10 terms is: a₁₁ + a₁₂+...+ a₂₀

And the sum of the first 20 terms of an arithmetic sequence is:

$S_{20}=a_1+a_2+...+a_{10}+a_{11}+...+a_{20}=\dfrac{2a_1+(20-1)d}{2}\cdot10$

so the sum of the second 10 terms is:

$a_{11}+a_{12}+...+a_{20}=S_{20}-S_{10}$

Therefore we have:

$\dfrac{2a_1+(20-1)d}{2}\cdot10-\dfrac{2a_1+(10-1)d}{2}\cdot10=735\\\\(2a_1+19d)\cdot5-(2a_1+9d)\cdot5=735\\\\2a_1+19d-(2a_1+9d)=147\\\\10d=147\\\\d=14.7$

and:

$2a_1+9\cdot14.7=47\\\\2a_1+132.3=47\\\\2a_1=-85.3\\\\a_1=-42,65$

3 0

3 years ago

Approximately 64% of films are rated R. If 700 films were recently rated, how many were rated R?

soldier1979 [14.2K]

448 films were rated R

3 0

3 years ago