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Mila [183]
4 years ago
12

If a scale drawing has a scale of 1 centimetre to 4 meters which measurements are correct

Mathematics
1 answer:
andrew-mc [135]4 years ago
3 0

Answer: Statements 2 and 3

Step-by-step explanation:

On a drawing scale;

1cm - 4m

4CM - 16M (MULTIPLYING BY 4)

6cm - 24m (multiplying by 6)

7cm - 28m (multiplying by 7)

8cm - 32m (multiplying by 8)

9CM - 36M (MULTIPLYING BY 9)

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1 point
mezya [45]

Answer:

$62,000

Step-by-step explanation:

There are 20 people.

You have to add $5000 and $1200, which equals $6,200.

You have to multiply that by 10 to get the answer.

6 0
3 years ago
Jeremy can determine the total number of miles walked at a constant speed by using the formula an=an-1+3 if a1=2, what are the f
ANTONII [103]
If the recursive formula is a(n)=a(n-1)+3 and a1=2 then the explicit formula is:

a(n)=2+3(n-1) which simplifies to

a(n)=2+3n-3

a(n)=3n-1 so the first three terms are a(1), a(2), and a(3) which are:

2, 5, and 8
6 0
3 years ago
Determine whether the ordered pair is a solution of the linear equation y = 11r - 4 (0 -4)
KiRa [710]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

Yes, it is a solution.

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

I am assuming that 'r' is supposed to be 'x'.

⸻⸻⸻⸻

y=11r-4\\------------\\\rightarrow -4 = 11(0) - 4\\\\\rightarrow -4 = 0 -4\\\\\rightarrow \boxed{-4=-4}

⸻⸻⸻⸻

The ordered pair is a solution. You can also tell that it is a solution because the equation given is in slope-intercept form, and '-4' is in b's spot.

⸻⸻⸻⸻

y = mx+b

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

3 0
3 years ago
At the Science Museum, there is an exhibition with 150 displays about energy.
tatuchka [14]
<span>1/5
       
This is a matter of elimination. So let's figure out how many of each display there is. 30% of 150 = 0.30 * 150 = 45 displays about electricity. 2/5 * 150 = 0.40 * 150 = 60 displays about renewable energy 1/10 * 150 = 150/10 = 15 displays about gas. The rest of the displays are about nuclear power. So 150 - 45 - 60 - 15 = 30 displays about nuclear power. Since we want a fraction, we get 30/150 But 30/150 isn't in it's simplest form. The largest number that will evenly divide both 30 and 150 is 30. So divide both the numerator and denominator by 30 (30/30)/(150/30) = 1/5 So 1/5 of the displays are about nuclear power.</span>
8 0
3 years ago
Evaluate 6x ÷ 3y - 4, if x = 20 and y = 2. A. 16 B. 20 C. 36 D. 8
spayn [35]
The answers A - 16...
8 0
4 years ago
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