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Romashka-Z-Leto [24]
3 years ago
12

Couldn't find science but this is a science question.

Mathematics
1 answer:
Svetllana [295]3 years ago
8 0

Answer:

D.Water can cause rocks to break into sediments through mechanical weathering.

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Write an equation of the line that passes through points (4,1) and (-2,7)
jeka94

Answer:

y = - x + 5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

To calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (4, 1) and (x₂, y₂ ) = (- 2, 7)

m = \frac{7-1}{-2=4} = \frac{6}{-6} = - 1, hence

y = - x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

using (4, 1), then

1 = - 4 + c ⇒ c = 1 + 4 = 5

y = - x + 5 ← equation of line


4 0
4 years ago
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Can someone show me what i did wrong? x is supposed to equal 2
poizon [28]
In step 3, you added 8x onto the other side instead of subtracting it from 15x.
8 0
3 years ago
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Jayden has $0.56 worth of pennies and nickels. He has a total of 20 pennies and nickels altogether. Determine the number of penn
alex41 [277]

Answer:

There are 9 nickels and 11 pennies

Step-by-step explanation:

Systems of equation:

x=nickels

y=pennies

0.56=0.05x+0.01y

x+y=20

8 0
3 years ago
According to the manufacturer of the candy Skittles, 20% of the candy produced are red. If we take a random sample of 100 bags o
WITCHER [35]

Answer:

0.15651

Step-by-step explanation:

This can be approximated using a Poisson distribution formula.

The Poisson distribution formula is given by

P(X = x) = (e^-λ)(λˣ)/x!

P(X ≤ x) = Σ (e^-λ)(λˣ)/x! (Summation From 0 to x)

where λ = mean of distribution = 20 red bags of skittles (20% of 100 bags of skittles means 20 red bags of skittles)

x = variable whose probability is required = less than 16 red bags of skittles

P(X < x) = Σ (e^-λ)(λˣ)/x! (Summation From 0 to (x-1))

P(X < 16) = Σ (e^-λ)(λˣ)/x! (Summation From x=0 to x=15)

P(X < 16) = P(X=0) + P(X=1) + P(X=2) +......+ P(X=15)

Solving this,

P(X < 16) = 0.15651

4 0
3 years ago
BRAINLIEST FOR QUICKEST<br> Please help with this question!!
GarryVolchara [31]

Answer:

A and B and C and D

Step-by-step explanation:

Letters

6 0
3 years ago
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