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RUDIKE [14]
3 years ago
12

Question 3 "Try Again." Mary needs 3 feet of boondoggle for a craft project.

Mathematics
1 answer:
kati45 [8]3 years ago
7 0

Answer:

$9.00

Step-by-step explanation:

We can use conversion factors to solve this equation. The multiplication sequence that I got is shown below:

\frac{3ft}{1} × \frac{12 in}{1ft} × \frac{0.25}{1in}

Our feet and inches cancel out and we get the final expression \frac{3*12*0.25}{1}, which is equal to 9, or $9.00.

Hopefully that was helpful! :)

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Ship A and Ship B are 120 km apart when they pick up a distress call from another boat. Ship B estimates that they are 70 km awa
oksian1 [2.3K]

Answer:

147.5 km and 64.4 km

Step-by-step explanation:

a=120  km

b=70  km

β=28 degrees ( ∘)

 

b^2=(a^2)+(c^2)−2ac*cosβ  

70^2 =(120^2 )+(c^2)−2⋅ 120⋅ c⋅ cos(28∘ )  

 (c^2 ) −211.907c+9500=0  

 

note p, q, and r are replacement variables in the Pythagorean theorem since a, b, and c are already in use

p=1;q=−211.907;r=9500  

D=(q^2 ) −4pr=(211.907^2 )−4⋅1⋅9500=6904.75561996  

D>0  

 

c_{1,2}  =   (−q±  \sqrt{D}   )/2p=(211.91±\sqrt{6904.76})/2

​c_{1,2}  =105.95371114±41.5474295834  

(c_{1}−147.501140726)(c_{2}−64.4062815596)=0

c_{1}=147.501140726  

c_{2}=64.4062815596  

5 0
3 years ago
What's the additive inverse of 0.75.
Sophie [7]

Answer:

additive \: inverse =  - 0.75

6 0
3 years ago
Pizza Palace uses 0.5 pounds of cheese on each large pizza it makes. Part A write an equation to relate the number of pounds of
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Answer:

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5 0
3 years ago
500=100(x-1)<br> Someone tell me step by step
Andre45 [30]
First, distribute the 100 to the (x-1) portion:
500 = 100x - 100

then, add 100 to both sides of your equation to get “x” alone on the right side:
500 + 100 = 100x - 100 + 100
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next, divide 100x by 100 and 600 by 100 to isolate a singular “x”:
600/100 = 100x/100
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therefore, x=6 is your solution
5 0
2 years ago
PLEASE HELP I GIVE 29 POINTS TO WHOEVER GETS THIS RIGHT
-Dominant- [34]

Direction: Isolate the variable by dividing each side by factors that don't contain the variable.

Here are the answers for all 15 questions:

1)  x < - 2

2) x < 4

3) x > - 15/7

4) y < 28/5

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6) y > - 10/9

7) 0 < 333

8) x > 2

9) x > - 10

10) y > - 3

11) y > - 4

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13) x < 9/8

14) x > - 2

15) h < 7/2

4 0
2 years ago
Read 2 more answers
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