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3 years ago

Ramp Learning

Mathematics

1 answer:

GarryVolchara [31]3 years ago

5 0

2(-2y+8)
-4y+16
Therefore the answer is:
-4y+16

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Find m<br> (3x-70)<br><br> Help me please

soldi70 [24.7K]

Answer:

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3 years ago

Find the slope of the line that goes through the points (-1,-4) and (9, 20). You must show all of your work in the space provide

Setler [38]

Answer:

12/5

Explanation:

To find the slope of the line, we'll need to use the below formula;

$m=\frac{y_2-y_1}{x_2-x_1}$

where x1 = -1, y1 = -4, x2 = 9, y2 = 20, so let's go ahead and substitute these values into our formula and solve for m;

$m=\frac{20-(-4)}{9-(-1)}=\frac{20+4}{9+1}=\frac{24}{10}=\frac{12}{5}$

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1 year ago

Weekly wages at a certain factory are

fiasKO [112]

Answer:

0.34134

Step-by-step explanation:

in other to solve for this question we would be using the z score formula

z = (x - μ) / σ

x = raw score

μ = mean

σ = standard deviation

the question tells us to find the probability that a worker selected at random makes between $350 and $400

let x1 = 350 and x2= 400 with the mean μ = 400 and standard deviation σ = $50.

z1 = (x1 - μ) / σ = (350-400) / 50 = -1

z2 = (x2 - μ) / σ = (400 - 400) / 50 = (0/50) = 0

from tables, P(z <= -1) = 0.15866

P(z <= 0) = 0.5

then the probability would give us, P(-1 ≤ z ≤ 0) =0.5 - 0.15866 =

0.34134

that explains that the probability that a worker selected at random makes between $350 and $400 = 0.34134

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3 years ago

Malia bought shell beads and glass beads to weave into designs her baskets. She bought 1/4 pound of shell beads and 3/8 pound of

kykrilka [37]

She would have 20 pounds

6 0

3 years ago

Can someone please help me with math.

Oxana [17]

Answer:

Step-by-step explanation:

Hello There!

First thing we notice is that the y intercept is at (3,0) meaning that they have some sort of fee that has a charge of 3 dollars (represented by the 3)

Because the fee is 3 dollars we can immediately eliminate answers B and C

Now we want to find the charge for each bag of Potpourri (this can be represented by the slope)

Once again we want to choose two points on the line and plug it in into the slope formula

the points are optional but i have chosen the points (1,4.5) and (2,6)

*plug it into the slope formula*

$slope=\frac{6-4.5}{2-1} \\6-4.5=1.5\\2-1=1\\slope =\frac{1.5}{1} or1.5$

so we can conclude that the charge per bag of potpourri is $1.50 leading us to answer choice A

7 0

3 years ago