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ludmilkaskok [199]
3 years ago
15

The question is identify the graph that represents the equation y-2=4(x-5) can someone help me

Mathematics
1 answer:
wolverine [178]3 years ago
4 0
Line
for me convert to slope intercept form
y=mx+b
m=slope
b=y intercept, aka whre the line crosses the y axis

y-2=4(x-5)
y-2=4x-20
y=4x-18
slope=4
yint=-18
positive slope so it goes from bottom left to top right
crosses y axis at -18

first 2 don' cross at -18
3rd, dunno
4th, is going from top left to bottom right, incorrect


answer is 3rd one
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I need some help please
ExtremeBDS [4]
Using the law of cosins

sin(angle) = Opposite Leg / Hypotenuse

The angle is given as 35 degree and the hypotenuse is given as 30 feet.

Sin(35) = X ( opposite leg) / 30

X = 30 * sin(35)

x = 17.2 feet.

Total height = 17.2 + 6.5 = 23.7, round to 24 feet.

The answer is 24 feet.
6 0
3 years ago
A shipment of sugar fills 4 1/3 containers. If each container holds 2 1/7 tons of sugar, what is the amount of sugar in the enti
mr Goodwill [35]

The entire shipment contains 9 2/7 tons of sugar

Step-by-step explanation:

  • Step 1: Find the total amount of sugar in the entire shipment.

Number of containers in the shipment = 4 1/3 = 13/3

Number of tons of sugar = 2 1/7 = 15/7

⇒ Total amount of sugar = 13/3 × 15/7 = 65/7 = 9 2/7 tons

5 0
3 years ago
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
I need help on this question
leva [86]

Answer:

15.7

Step-by-step explanation:

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7 0
3 years ago
A publishing company claims that in fall 2019, the average price of college textbooks for a single semester is $385. Suppose you
hram777 [196]

Answer:

We accept H₀ . We don´t have enough evidence to express the publisher claim is not true

Step by Step explanation:

We must evaluate if the mean of the price of college textbooks is different from the value claimed by the publisher

n < 30 then we must use t - distrbution

degree of freedom   n  - 1     df = 22 - 1     df = 21

As the question mentions " different " that means,  a two-tail test

At 0,01 significance level     α  = 0,01       α/2  =  0,005

and t(c)  = 2,831

Test Hypothesis

Null Hypothesis                      H₀          μ  =  μ₀

Alternative hypothesis           Hₐ          μ  ≠  μ₀

To calculate t(s)

t(s)  =  (  μ  -  μ₀ ) /σ/√n

t(s)  =  (  433,50 - 385 ) / 86,92 / √22

t(s)  =  2,6171

Comparing   t(c)   and t(s)

t(s) < t(c)

Then  t(s) is in the acceptance region we accept H₀. We don´t have enough evidence to claim that mean price differs from publisher claim

6 0
3 years ago
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