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marshall27 [118]
3 years ago
11

A game room has a floor that is 225 feet by 40 feet. A scale drawing of the floor on grid paper uses a scale of 2 units:5 feet.

What are the dimensions of the scale drawing? Enter your answer as length by width.
Mathematics
1 answer:
34kurt3 years ago
8 0
1 unit = 2.5 feet.
225/2.5 = 90 feet
40/2.5 = 16 feet

Therefore, 90x16, or vice versa, 16x90. =^)
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Given that A varies directly as B and inversely as C and that; A=12 when B=3 and C=2. Find B when A=10 and C=1.5​
Kitty [74]
<h3>Answer:</h3>

1.9

Step-by-step explanation:

<h3>The above is direct and inverse variation.</h3>

A = kB/C -----------(1)

A=12

B = 3

C= 2

substitute A, B and C into equation (1).

12 = K × 3/2

12 = 3k/2

12×2 = 3k

3K = 24

dividing bothsides by 3

3K/3 = 24/3

K = 8

substitute K = 8 into equation (1)

A = 8B /C --------------(2)

Equation (2) is the equation connecting

A,B and C.

Finding B when A = 10 and C = 1.5

10 = 8B / 1.5

10× 1.5 = 8B

15 = 8B

Dividing bothsides by 8 :

B = 15/8

B = 1.875

B = 1. 9 ( approximately)

6 0
1 year ago
Evaluate |-11| + |-7|.<br><br> -18<br> -4<br> 4<br> 18
Marta_Voda [28]

Answer:  D) 18

======================================================

Explanation:

|-11| simplifies to 11

|-7| simplifies to 7

Whatever is inside the absolute value, you just remove the negative and that's the result of that absolute value expression. It represents the distance on a number line. So for instance -11 is 11 units from 0, which is why |-11| = 11.

Overall,

|-11| + |-7| = 11 + 7 = 18

4 0
2 years ago
I need help with this question please
irinina [24]
The answer is 0
Let me tell you why
first plug in the numbers
.5(18+14)-(18-14)^2
(9+7)-(4)^2
16-16
0
4 0
3 years ago
Read 2 more answers
Rewrite using a fractional exponent<br><br> <img src="https://tex.z-dn.net/?f=%5Csqrt%5B6%5D%7B7%5E2%7D" id="TexFormula1" title=
tangare [24]

Answer:

7^{\frac{1}{3} }

Step-by-step explanation:

Using the rule of exponents

\sqrt[n]{a^{m} } ⇔ a^{\frac{m}{n} } , then

\sqrt[6]{7^{2} } = 7^{\frac{2}{6} } = 7^{\frac{1}{3} }

8 0
3 years ago
1/3 + 1/2 + 1 2/3 - 4/5
mash [69]
17/10
or 1 7/10 
i did it on my calculator lol
3 0
3 years ago
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