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alexandr1967 [171]
3 years ago
8

An arch in the firm of a semicircle was over a 40 inch wide doorway. Find the length of the arch.

Mathematics
1 answer:
Hoochie [10]3 years ago
5 0

Answer:13

Step-by-step explanation:

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choose the equation in point slope form for the line that is perpendicular to the given line and passing through the given point
alexdok [17]

We want to determine the equation in point slope form for the line that is perpendicular to the given line and passing through the point (5.6) .

The equation and the point is;

y=\frac{2}{3}x+9,(5,6)

We know that for two lines to be perpendicular, the product of their slopes should be -1.

Therefore, the slope of the perpendicular should be;

m=-\frac{1}{(\frac{2}{3})}=-\frac{3}{2}

The second condition is that the line must pass through the point (5,6) , to do thid, we write the equation of the line in point slope form which is;

y-y_1=m(x-x_{1_{}})

Inserting all values, we have,

y-6=.-\frac{3}{2}(x-5)

That is the final answer.

6 0
1 year ago
The product of two consecutive odd integers is 399. What equation would be used to solve
olga nikolaevna [1]

Step-by-step explanation:

the answer is in the image

6 0
3 years ago
Help idk how to do this
ki77a [65]

Answer:

√30

Step-by-step explanation:

We can find the value of x by using Euclidean theorem

x^2 = 3 × 10

if x^ = 30 then x = √30

3 0
3 years ago
Help please !!!!!!!!!!<br> I'll give brainly to whoever gets this correct
iris [78.8K]

The answer is B. It is shifted up by 6*1.5-2-2 with is 9-2-2=5.

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2 years ago
PLEASE HELP! ANY SPAM ANSWERS WILL BE REPORTED!
Rainbow [258]

Answer:

Rise: -1   Run: -1

Step-by-step explanation:

It's a negative line, and it crosses at the corner of every line. Hope this helps :)

7 0
3 years ago
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