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defon
3 years ago
12

What is the equation of a line that passes through the point (1, 8) and is perpendicular to the line whose equation is y=x2+3 ?

Enter your answer in the box
Mathematics
2 answers:
Nonamiya [84]3 years ago
7 0
<span>Perpendicular lines' slopes are reciprocals of one another. So we know the perpendicular line will have a slope of 1/2. Then we can use our points to find the rest. 8=1/2(1)+b 8=0.5+b 7.5=b y=2x+b</span>
Marta_Voda [28]3 years ago
7 0

After adding everything together you should get y=-2x+10

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Answer:

25

Step-by-step explanation:

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4 0
3 years ago
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There are 10 circles and 2 triangles. What is the simplest ratio of triangles to total shapes?
barxatty [35]

Answer:

1:6

Step-by-step explanation:

Given that there are 10 circles and 2 triangles, the total number of shapes is equal to 10+2.

10+2=12

Because there are 2 triangles, the ratio of triangles to total shapes is equal to 2:12.

However, this ratio can be simplified because both sides are multiples of 2. Divide both sides of the ratio by 2 to simplify the ratio.

2:12

1:6

Therefore, the simplest ratio of triangles to total shapes is 1:6.

I hope this helps!

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3 years ago
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For each part below, use the figure to fill in the blank.
kobusy [5.1K]

Answer:

a) m<F = 70

b) AB = 6

Step-by-step explanation:

a)

Since this is an isoceles triangle, the base angles are equal so:

2x + 40 = 180

2x = 140

x = 70

b)

Since all of the angles are equal, this is an equilateral triangle. This also makes all of the sides equal and the same.

8 0
3 years ago
a box of cereal states that there are 72 calories in a 3/4 cup serving. What is the unit rate for calories per cup? how many cal
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Answer:

96 and 192 calories

Step-by-step explanation:

<u>Given</u>

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<u>Then multiply both by 2 to get the calories for 2 cups:</u>

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