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WARRIOR [948]
3 years ago
9

Please I really need your help??!!!

Mathematics
1 answer:
postnew [5]3 years ago
4 0
-12x+7y+8z
Multiply the number
-84y+8z
Factor 4 from Expression
-4(21y-2z)
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A money collection has $3.00 worth of coins: nickels, dimes, and quarters. The ratio of nickels to dimes to quarters is 3:2:1 Ho
Katyanochek1 [597]
They provide all the needed data...

n + d + q = $3.00                           (they provide a ratio) 
3:2:1 = $3.00                                 (let's enter the value of each)
3(.05) + 2(.10) + 1(.25)   
.15 + .20 + .25
.60 = is the value of the ratio   
let's divide the $3.00 by the .60 to get 5
let's now multiply the value of 5 to the ratio and solve the question...

3(5): 2(5): 1(5)
15 nickels
10 dimes
5 quarters


5 0
3 years ago
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The table models how the population of a city has changed over time.
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A. population in 1975 ........................
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A weather balloon is launched from the ground at a location that is 750 feet from a 65 foot royal palm tree. What is the minimal
Sonbull [250]

Answer: 5°

Step-by-step explanation:

You can use a right triangle to solve

Hypotenuse would be the flight path

One leg (opposite) is the tree     65 ft

Tan (Θ) = opposite/ adjacent = 65/750  

Θ = arctan (65/750)

Θ = 5°

4 0
3 years ago
If a triangle is rotated about the y-axis as shown below, what three-dimensional polyhedral would be formed?
Misha Larkins [42]

Answer:

Cone

Step-by-step explanation:

7 0
3 years ago
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8^2 + b^2 = 10^2<br> what is b?<br> HELP HELP FAST
vodka [1.7K]

Answer:

2

Step-by-step explanation:

10^2 - 8^2 = B^2

B = 2

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4 years ago
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