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Elza [17]
3 years ago
12

Write an equation. Let x be the unknown number.

Mathematics
1 answer:
lianna [129]3 years ago
7 0

Answer:

2x - 18 = 5

Step-by-step explanation:

An equation for eighteen less than twice a number is 2x - 18 = 5

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Use SOHCAHTOA for this. Work out 'm' in 3sf, I need the working out.
Lady bird [3.3K]

Anwer:3.537m

STEP BY STEP EXPLANATIOND:using SOH CAH TOA

First find the opposite

Represent the opposite with x

Tan 33° =x\10

x=10Tan 33°

x=6.494

To find m

Sin 33°=m\6.494 Sin 33°

m=3.5368

m=3.537meteres

7 0
3 years ago
36 divided by 6+(18-6x2)
Ipatiy [6.2K]

Answer:

12.

Step-by-step explanation:

This equation seems to want you to use the Order of Operations, a.k.a PEMDAS (which stands for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction). When you do a problem like this, you use the Order of Operations to figure out the order in which you'd solve your problem.

You would first solve what is in parentheses, since that is the first letter in PEMDAS. 18-6x2 is what we have in our parentheses, but it's too confusing to be solved yet. The next letter is E, a.k.a exponents, but there are no exponents in this equation, so we move on. Next is M, Multiplication. We would multiply 6 by 2, which gives us 12. Moving on, we have D, Division. We would do 36/6, which is 6.

Our 5th letter is A, Addition. We would have to add our 6 to (18-12), but that couldn't work, since our 18-12 is still in parentheses, and those come first. So, we would skip to the last letter, S, Subtraction. 18-12=6, and since we solved all the problems in the parentheses, we remove them, and add both 6's together, giving us 12.

5 0
3 years ago
Dion builds a pattern that is represented by the equation b equals 2 F + 6 where f is the figure number of the pattern and B is
Rzqust [24]

9514 1404 393

Answer:

  24

Step-by-step explanation:

Using 9 as the figure number, Dion's equation tells us there are ...

  2(9) +6 = 18 +6 = 24 blocks in figure 9

3 0
3 years ago
If the circumference of a circle is below 72 what is the length of AB
blagie [28]

Answer: 12

Step-by-step explanation:

The circle is 360 degrees in total

360/6 = 60

72/6 = 12

3 0
3 years ago
34(3x+6)−14(5x−24) =
EleoNora [17]

Answer:

32x+540

Step-by-step explanation:

8 0
3 years ago
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