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bagirrra123 [75]
3 years ago
14

1) What is the equation of the line whose y-intercept is 3 and slope is 1?

Mathematics
2 answers:
s2008m [1.1K]3 years ago
5 0
The\ slope-intercept\ form:y=mx+b\\\\m\ is\ slope\\b\ is\ y-intercept\\\\m=1;\ b=3\ then\ y=1x+3\Rightarrow y=x+3
Studentka2010 [4]3 years ago
4 0
y-intercept : \ b= 3 \\ slope : \ m=1 \\ \\ the \ slope \ intercept \ form \ is : \\ \\ y= mx +b \\ \\ y=1\cdot x + 3 \\ \\y=x+3


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In triangle ABC, line A.B.=CB Angle ABC equals 4X -3, and angle CAB equals X -3, what is angle ACB
Soloha48 [4]

Answer:

∠ACB = 28.5

Step-by-step explanation:

In triangle ABC,

angle CAB = x-3

angle ABC = 4X-3

It is also given that AB=CB

We know that if two sides of any triangle are equal then corresponding sides must also be equal.

Hence

angle ACB = angle CAB

angle ACB = x-3    {Given that angle CAB = x-3 }

We know that sum of all three angles of a triangle is 180 degree so let's add given angles

angle ACB + angle CAB + angle ABC = 180

(x-3) + (x-3) + (4x-3) = 180

x-3 + x-3 + 4x-3 = 180

6x-9 = 180

6x = 180+9

6x = 189

x = 189/9

x= 31.5

Now plug value of x into

angle ACB = x-3 = 31.5-3 = 28.5

Hence final answer is

∠ACB = 28.5


3 0
3 years ago
Brand A: $5 for 80 pounds of sand Brand B: $14 for 175 pound bag Which is the better buy?
nevsk [136]

Answer:

Brand A is the better buy

Step-by-step explanation:

bag Which is the better buy?

Step one

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4 0
3 years ago
Your family is traveling 345 miles to an amusement park. You have already traveled 131 miles. How many more miles must you trave
Svetllana [295]

Answer:

  214 miles

Step-by-step explanation:

To find the difference between miles already traveled and total miles you need to travel, you subtract ...

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You must travel 214 more miles to complete your 345 mile journey.

7 0
3 years ago
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Ronch [10]
I would go with B but this is a tricky question. Hopefully i am correct.
3 0
3 years ago
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Alex tried to find the lateral area of the pyramid. FIND HIS ERROR AND CORRECT IT.
sweet-ann [11.9K]

Answer:

His error is multiplying by 4 sides as he thought it was total surface not lateral surface area- the final answer is 12

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5 0
3 years ago
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