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nikklg [1K]
3 years ago
5

Work out ( 5 × 10 − 8 ) 2 Give your answer in standard form.

Mathematics
1 answer:
puteri [66]3 years ago
5 0

Answer: 84

Step-by-step explanation:

Using PEMDAS,

(5*10 -8)2

= (50-8)2

= (42)2

=84

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Need help for test asap!
klio [65]

Answer:

do the test then

Step-by-step explanation:

do the test then

3 0
3 years ago
Can someone help me with this, please? I'm not sure how to solve this.
bazaltina [42]

Answer:

11.) 10w^2 + 43w + 21.

12.) -15y^2 - 2y + 8

Check the explanation for details

Step-by-step explanation:

11.) You are meant to multiply each row by both columns. For instance, multiply 5w by 2w and 7 you will get 10 w^2 and 35 w

Also, multiply 3 by both 2w and 7 you will get 6w and 21. Therefore,

Expansion of ( 5w + 3 )( 2w + 7 ) will produce 10w^2 + 37w + 6w + 21

= 10w^2 + 43w + 21.

12.) Repeat the same process by multiplying row by column.

Multiply -3y by 5y and 4 you will get -15y^2 and -12y.

Also, multiply 2 by same 5y and 4. You will get 10y and 8

Therefore, the expansion of

( -3y + 2 )( 5y + 4 ) will be

-15y^2 - 12y + 10y + 8

-15y^2 - 2y + 8

4 0
3 years ago
Umm i dont know why i am getting a different answer from the ones that are listed plz help
inessss [21]

Answer:

A.  5 : 3

Step-by-step explanation:

Number of blue cups : Number of red cups

10 : 6

Divide to the lowest terms

10 ÷ 2 : 6 ÷2

5 : 3

5 0
3 years ago
Read 2 more answers
14 5 18 24 15 28 34 __
Volgvan
This sequence seems to apply -9, +13, +6 repeatedly.
So after the 34, the -9 has to be applied. The next number would be 25.
5 0
4 years ago
Read 2 more answers
What's the answer ? To this question
Airida [17]
You could use the equation y=mx+b

Find the slope of the two coordinates. I would personally suggest using stack and subtract:

(0,2) 2-5 -3 3
(2,5) -------= ------= -----
0-2 -2 2

We have the slope but we need to find the y-intercept.

y=3
--x+b
2

Plug one of the coordinates in the constructed equation above:

2=3
-- (0)+b
2

2=0+b
-0=-0
------------
b=2

We found the slope and y-intercept. Now we have our complete equation. The equation is:

y=3
--x+2
2


Have a blessed day!
7 0
4 years ago
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