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2 years ago

Pls help! 15 points It’s for math

Mathematics

2 answers:

Dmitrij [34]2 years ago

7 0

Answer:

y-intercept

Step-by-step explanation:

b is always y-intercept

m is always slope

mamaluj [8]2 years ago

3 0

Answer:

This equation is in y=mx+b form, where m is the slope, and b is the y-intercept.

So, you're correct. "Y-Intercept" is the correct answer.

Let me know if this helps!

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Assume the number of customers who order a dessert with their meal on a given night at a local restaurant has the probability di

Bumek [7]

Complete question :

X: 3, 4, 5, 6

f(x): .25, .55, .15, .05

Answer:

0.60

Step-by-step explanation:

Given the data:

Variance (s) :

Σx²*f(x) - E(x)²:

E(x) = (3*0.25) + (4*0.55)+(5*0.15)+(6*0.05) = 4

Σx²*f(x) - E(x)²: [(3^2 * 0.25)+(4^2 * 0.55)+(5^2 * 0.15)+(6^2 * 0.05)] - 4²

16.6 - 16 = 0.6

5 0

3 years ago

To rent a certain meeting room, a college charges a reservation fee of $ 46 and an additional fee of $ 6.40 per hour. The chemis

lisabon 2012 [21]

Answer:

Up to 5 hours

Step-by-step explanation:

<u>Given:</u>

One off fee = $46
Hourly rent = $6.4 / hr
Amount limitation= $78

<u>Equation to reflect the condition:</u>

78 = 46 + 6.4t
6.4t = 78 - 46
6.4t = 32
t = 32/6.4
t = 5 hours max

So, the meeting room can be rented for up to 5 hours with $78

8 0

2 years ago

Find the length of diagonal HJ. Round to the nearest hundredth.

Alisiya [41]

Answer:

The length of the diagonal HJ is 10.82 units

Step-by-step explanation:

* Lets revise the rule of the distance between two points

- $d=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}$ , where

$(x_{1},y_{1})$ and $(x_{2},y_{2})$ are the two points

* Lets use this rule to find the length of the diagonal HJ

∵ The coordinates of point H are (-4 , 3)

∵ The coordinates of point J are (5 , -3)

∴ $x_{1}=-4$ and $x_{2}=5$

∴ $y_{1}=3$ and $y_{2}=-3$

- Lets find the length of the diagonal HJ by using the rule above

∴ HJ = $\sqrt{(5-(-4))^{2}+(-3-3)^{2}}=\sqrt{(5+4)^{2}+(-6)^{2}}$

∴ HJ = $\sqrt{(9)^{2}+36}=\sqrt{81+36}=\sqrt{117}=10.81665$

∴ HJ = 10.82

* The length of the diagonal HJ is 10.82 units

7 0

3 years ago

Solve by completing the square x^2-6x-4=0

Vesna [10]

Answer:

x = 3 ± $\sqrt{13}$

Step-by-step explanation:

x² - 6x - 4 = 0 ( add 4 to both sides )

x² - 6x = 4

To complete the square

add ( half the coefficient of the x- term)² to both sides

x² + 2(- 3)x + 9 = 4 + 9

(x - 3)² = 13 ( take square root of both sides )

x - 3 = ± $\sqrt{13}$ ( add 3 to both sides )

x = 3 ± $\sqrt{13}$

6 0

2 years ago

A runner covers a distance of 1200m with an average speed of 4m/s. How long does it take to run this distance? Then calculate th

Nadusha1986 [10]

Answer:

5mins

Step-by-step explanation:

well i did 1200 divided y 4 then divided that answer by 60

8 0

2 years ago