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GalinKa [24]
3 years ago
8

I don't understand what i'm doing here

Mathematics
1 answer:
Daniel [21]3 years ago
7 0
Your picture is side way, take a another picture that portrait.
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In which sentence are all periods used correctly?
marysya [2.9K]
Ill review each sentence and find their mistakes.

<span>A. The 5 ft plank was too short and needed to be recut.
</span>In this sentence, "ft" needs a period at the end so therefore this sentence isn't correctly punctuated. (a is not the answer)

B. Mr. Langan requested a wake-up call for 9:00 a. M. on Saturday.
In this sentence, the a.m is punctuated incorrectly so this isn't correct either. (b is not the answer)

C. Why was there such noise at 6:00 AM?
Here, it is punctuated correctly. Looks like it is the correct answer.

D. Dr. Vaughn gave Mrs Vaughn a pearl necklace for their tenth anniversary.
In this sentence, "Mrs." didn't have a period at the end (d is not the answer).

So the answer was found and it is C because it is punctuated correctly.  :)
5 0
3 years ago
Is sin( - 7) positive or negative? (Why?)
finlep [7]
-.66 this is because when you put it into a scientific calculator sin then -7 and round up you get -.66
7 0
3 years ago
I forgot how to do some maths so i need help: solve 2x + 3 = -1
Pavel [41]
2x + 3 = -1
-3 = -3

2x = -4
— —
2 2

x = -2

Hope this makes sense and helps :)
6 0
2 years ago
Read 2 more answers
HELP ME PLZ ON MY MATH
Makovka662 [10]

Answer:

291 cm³

Step-by-step explanation:

The volume (V) of the blue cuboid is calculated as

V = lbh ( l is length, b is breadth, h is height )

Here l = 11, b = 5 and h = 5, thus

V= 11 × 5 × 5 = 275 cm³

The volume (V) of the green cubes is calculated as

V = s³ ← s is the measure of the side

Here s = 2 and since there are 2 of them, multiply by 2, that is

V = 2 × 2³ = 2 × 8 = 16 cm³

Thus total volume of figure = 275 + 16 = 291 cm³

8 0
3 years ago
2 factors of 20 add up to 9 what are they
Neko [114]
<span>20 is 5*4=20 ; 5 + 4 = 9</span>
3 0
3 years ago
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