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Verdich [7]
4 years ago
9

SOMEONE HELP ME this is due in like less than 15 mins​

Mathematics
1 answer:
zmey [24]4 years ago
5 0

Answer:

for the first one I think it is -5/-2 second is 1/-4  third one is 2/1 this may not be correct

Step-by-step explanation:

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Graph a line that goes through (0, -2) and grows by 4
krok68 [10]
I’ve attached a sketch of what it would look like

4 0
3 years ago
The sum of 16 and twice vidya's score
Kipish [7]

Answer: 256

Step-by-step explanation:

14+2=16

16x16=256 is vidya’s score

5 0
4 years ago
Solve the system of equations by substitution x+y=18, y=5x
Artyom0805 [142]

Answer:

(3, 15 )

Step-by-step explanation:

Given the 2 equations

x + y = 18 → (1)

y = 5x → (2)

Substitute y = 5x into (1)

x + 5x = 18

6x = 18 ( divide both sides by 6 )

x = 3

Substitute x = 3 into (2) for corresponding value of y

y = 5(3) = 15

Solution is (3, 15 )

4 0
4 years ago
Read 2 more answers
The naturalist views an elephant in the distance, but he doesn’t know how far away the elephant is from him. He takes a view to
andrezito [222]

Answer:

10.11 feet

Step-by-step explanation:

Let H ft be the elephant's height and x ft be the initial distance from naturalist to the elephant.

1. Naturalist takes a view to find the a 22 degree angle of elevation, then

\tan 22^{\circ}=\dfrac{H}{x}.

2. Naturalist moves backwards from the elephant pacing off a distance of 27 feet, the distance from naturalist to the elephant becomes (x+27) ft. He takes a second view and determines a new angle of elevation of 11 degrees. Then

\tan 11^{\circ}=\dfrac{H}{x+27}.

3. Solve the system of two equations:

\left\{\begin{array}{l}\tan 22^{\circ}=\dfrac{H}{x}\\\tan 11^{\circ}=\dfrac{H}{x+27}\end{array}\right.\Rightarrow \dfrac{x+27}{x}=\dfrac{\tan 22^{\circ}}{\tan 11^{\circ}}\approx 2.0785,\\ \\ \\x+27=2.0785x,\\ \\1.0785x=27,\\ \\x\approx 25.0347\ ft.

Then

H=x\cdot \tan 22^{\circ}\approx 10.11\ ft.

3 0
3 years ago
Order the fractions from least to greatest
My name is Ann [436]

Answer:

1/4, 2/5, 1/2, 3/5, 2/3, 13/18, 7/9, 5/6, 2 6/15, 2 4/9, 2 3/5, 2 2/3, 6 3/8, 6 1/2,

6 3/4, 6 5/6

Step-by-step explanation:

I like to organize decimals more than fractions because it's easier for me, so I'm changing each of them to a decimal. You don't have to do this though.

  1. To change a fraction to a decimal, if it is simplified, make it an improper fraction
  2. Then, divide the numerator from the denominator. For example, 1/4 = 0.25 because 1 divided by 4 = 0.25
  • 3/5 = <u>0.60</u>,
  • 1/4 = <u>0.25,</u>
  • 1/2 = <u>0.50</u>,
  • 2/5 = <u>0.40</u>,
  • 7/9 = 0.7 repeating or just <u>0.78 </u>rounded,
  • 13/18 = 0.72 repeating or <u>0.73</u> rounded,
  • 5/6 = 0.83 repeating or <u>0.84 </u>rounded,
  • 2/3 = 0.66 repeating or <u>0.67</u> simplified,
  • 6 3/4 = 27/4 or <u>6.75</u>,
  • 6 1/2 = 13/2 = <u>6.50,</u>
  • 6 5/6 = 41/6 = 6.83 repeating or <u>6.84</u>
  • 6 3/8 = 51/8 = 6.375 or <u>6.38</u>
  • 2 2/3 = 8/3 = 2.66 repeating or <u>2.67</u>
  • 2 6/15 = 36/15 = <u>2.40</u>
  • 2 3/5 = 13/5 = <u>2.60</u>
  • 2 4/9 = 22/9 = 2.44 repeating or <u>2.45</u>

<u />

Ordering them is pretty easy, just start from the smallest and move to the greatest!

  1. 0.25 = 1/4
  2. 0.40 = 2/5
  3. 0.50 = 1/2
  4. 0.60 = 3/5
  5. 0.67 = 2/3
  6. 0.73 = 13/18
  7. 0.78 = 7/9
  8. 0.84 = 5/6
  9. 2.40 = 2 6/15
  10. 2.45 = 2 4/9
  11. 2.60 = 2 3/5
  12. 2.67 = 2 2/3
  13. 6.38 = 6 3/8
  14. 6.50 = 6 1/2
  15. 6.75 = 6 3/4
  16. 6.84 = 6 5/6

6 0
4 years ago
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