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Sophie [7]
3 years ago
11

Someone help it’s about gradients etc check photo please!! (The coordinates of K and L are (-8, -5)

Mathematics
1 answer:
Whitepunk [10]3 years ago
5 0

Answer:

i) \frac{2}{3}

Step-by-step explanation:

= \frac{y {}^{1}  - y {}^{2} }{x {}^{1}  - x {}^{ {}^{2} } }

= \frac{ - 5 - ( - 1)}{ - 8 - ( - 2) }

= \frac{ - 4}{ - 6}

=  \frac{2}{3}

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a plant is 20 inch tall. if the plant grows 2h inches each week for the next 4 weeks, and h inches for each of the 2 weeks after
devlian [24]
Is it 116? if i didnt add that up wrong thats the answer

6 0
3 years ago
Answer these please!!!!!
garik1379 [7]
4.
-3/4 - 2/3 ÷ (-4/5)
= -3/4 - [2/3 ÷ (-4/5)]
{switch the numerator and denominator when changing from ÷ to ×, or × to ÷}
= -3/4 - [2/3 × (-5/4)]
{numerator × numerator, and denominator × denominator}
= -3/4 - [-10/12]
= -3/4 + 10/12
= -9/12 + 10/12
= 1/12

5.
-2 2/5 + (-2 4/5) × 4/7
= -2 2/5 - (2 4/5 × 4/7)
= -12/5 - (14/5 × 4/7)
= -12/5 - (56/35)
{Simplify fraction to make denominators same}
= -12/5 - (8/5)
= -20/5
= -4/1
= -4

6.
-(-3/5) - 1 3/7 ÷ (-5/14)
{Negative signs cancelled out, fractions compounded}
= 3/5 - 10/7 ÷ (-5/14)
{Switch numerator and denominator when switch from ÷ to ×}
= 3/5 - [10/7 × (-14/5)]
= 3/5 - [-140/35]
= 3/5 + 20/5
= 23/5
{Simplify fraction}
= 4 3/5

Hope this helps! :) You may ask me for more help if you need
3 0
3 years ago
At Dunkin Donuts the corn muffins they make represent 40% of the total muffins they bake everyday. On Monday they make 20 corn m
stellarik [79]

Answer:

50 muffins

Step-by-step explanation:

20 : 40%

y : 100%

\frac{20}{y} :\frac{40}{100}

y · 40 = 20 · 100

40y = 2000

40y ÷ 40 = 2000 ÷ 40

y = 50

8 0
3 years ago
Read 2 more answers
A soccer ball is kicked from the ground at an upwards velocity of 90 feet per second. The equation h(t)=-16t^(2)+90t gives the h
garri49 [273]

Answer: 2.81 s

Step-by-step explanation:

Given

Ball is kicked upward with velocity u=90\ ft/s

Height of the ball is given by the function h(t)=-16t^2+90t

Derivative of a function gives the maxima or minima at certain point

\Rightarrow \dfrac{dh}{dt}=-32t+90\\\\\Rightarrow \dfrac{dh}{dt}=0\\\\\Rightarrow -32t+90=0\\\\\Rightarrow t=\dfrac{90}{32}\\\\\Rightarrow t=2.81\ s

Thus, it takes ball 2.81 s to reach the top.

5 0
4 years ago
C = 2πr ; for r please help
Morgarella [4.7K]
All you have to do is divide both sides by 2(pie)


C/2 (pie) = r
7 0
4 years ago
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