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cricket20 [7]
1 year ago
9

Help me with 11 please I’m crying Perform indicated operations

Mathematics
1 answer:
Svetlanka [38]1 year ago
4 0
\begin{gathered} h(x)=-4x+1 \\ g(x)=2x+2 \\ h(x)\cdot g(x)=(-4x+1)\cdot(2x+2) \\ \text{ Distributing:} \\ h(x)\cdot g(x)=(-4x)\cdot2x+(-4x)\cdot2+1\cdot2x+1\cdot2 \\ h(x)\cdot g(x)=-8x^2-8x+2x+2 \\ \text{ Combining similar terms:} \\ h(x)\cdot g(x)=-8x^2-6x+2 \end{gathered}

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Plz help me get the answer to these
Pavlova-9 [17]

Remove the brackets

-5a + 9b + 7a               combine -5a and 7a

7a - 5a + 9b

2a + 9b                        Answer

Don't go any further. There is nothing else to do. These are unlike terms and cannot be reduced or combined.

8 0
3 years ago
Read 2 more answers
mrs. henein is purchasing cupcakes for her homeroom class. of each cupcake costs $2.25 and she has 31 students in her homeroom c
Luda [366]

Answer:

$69.75

Step-by-step explanation:

Multiply $2.25 by 31 students

5 0
3 years ago
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(i) 809, 708, 607, _____, _ class 4<br>__class 4​
schepotkina [342]

Answer:

809, 708, 607, 506, 405, 304, 203, 102, 1, -100

Step-by-step explanation:

809, 708, 607, _____, _______

First term = 809

Second term = 708

Third term = 607

Difference between first term and second term = 809 - 708

= 101

Difference between second term and third term = 708 - 607

= 101

Therefore, the common difference is 101

Fourth term = 607 - 101

= 506

Fifth term = 506 - 101

= 405

Sixth term = 405 - 101

= 304

Seventh term = 304 - 101

= 203

Eighth term = 203 - 101

= 102

Ninth term = 102 - 101

= 1

Tenth term = 1 - 101

= - 100

809, 708, 607, 506, 405, 304, 203, 102, 1, -100

4 0
2 years ago
Does increase in sample size increases degrees of freedom for t-tests.
Elena-2011 [213]
Basically degrees of freedom are related to sample size (n-1). If the df increases, it also stands that the sample size is increasing; the graph of the t-distribution will have skinnier tails, pushing the critical value towards the mean.
3 0
2 years ago
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Serhud [2]

Answer:

rotate 90° counter clockwise

left 2

up 2

6 0
3 years ago
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