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nasty-shy [4]
3 years ago
12

Help me with these questions

Mathematics
1 answer:
DerKrebs [107]3 years ago
6 0
 9 c 10 b 11 b 12a 13 c 14 d 15 d 16c  17   a or c 
 18 b 19 d 20 is b
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Three dumpsters are delivering sand to a golf course
timofeeve [1]

Answer:

10,000 tons of sand is being delivered.

Step-by-step explanation:

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2 years ago
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1. Which is an example of an algebraic expression?<br> 04(3 + 8)<br> 018²<br> 03-a<br> 021.4
mars1129 [50]

Answer:

03-a

Step-by-step explanation:

It's an algebraic expression cuz it has an unknown variable (a)

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A map has a scale of
givi [52]
For ever 4 inches, you have 25 miles. Therefore if you have only one, you multiply to find the other. Now, since you have miles, you need to find inches. Therefore, 120 divided by 4, because every 4 inches is equal to 25 miles. Your answer should be 30 inches
3 0
3 years ago
Seattle, WA and San Francisco, CA lie on the same longitudinal line. San Francisco is at 38° latitude and Seattle is at 47° lati
Helen [10]

Step 1.

Calculate measure of angle α:

47^o-38^o=9^o

Step 2.

Calculate what fraction of the angle 360° ​​is the angle α:

\dfrac{9^o}{360^o}=\dfrac{1}{40}

Step 3.

Calculate the circumference of the Earth (circle):

C=2\pi r\to C=2\pi\cdot4000=8000\pi\ mi

Step 4.

The length of arc is equal 1/40 of the circumference:

\dfrac{1}{40}C=\dfrac{1}{40}\cdot8000\pi=200\pi\ mi

\pi\approx3.14\to\dfrac{1}{40}C\approx200\cdot3.14=628\ mi


<h3>Answer: A) 628 miles</h3>

7 0
3 years ago
What is x\3 so solve for x if it equals 90
Nataliya [291]
X= 270
simplify the equation using cross multiplication
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3 years ago
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