Help❗️Anybody know how to do this stuff?

Mathematics

1 answer:

Lunna [17]3 years ago

7 0

I wish I did I would help u out but I hope u have luck

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The equation for the circle is:

ivann1987 [24]

Use completion of sq method
x^2+y^2+14x+10y-7=0
(x+7)^2+(y+5)^2=7+49+25
(x+7)^2+(y+5)^2=81
so centre is(-7,-5) radius is9

4 0

3 years ago

∠1 and ∠2 are complementary angles.

Sedbober [7]

38 degrees
x+52=90
90-52=36
Therefore, angle 2 equals 36 degrees

5 0

3 years ago

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a print shop printed and assembled 8 books in 5 minutes. At this rate how many books can be printed and assembled 3 hours?

ozzi

288 books.
8 books in 5 minutes.
60 minutes in one hour.
5 * 12 = 60
60 minutes * 3 = 3 hours
8 * 12 = 96
96 books in one hour.
96 * 3 = 288
288 books in three hours.

3 0

3 years ago

Read 2 more answers

What is the value of tan A?

Ronch [10]

For the given triangle, the tan of angle A equals $\frac{3}{4} = 0.75.$

Step-by-step explanation:

Step 1:

In the given triangle for angle A, the opposite side has a length of 6 cm, the adjacent side has a length of 8 cm while the hypotenuse of the triangle measures 10 cm. To calculate the tan of angle A we divide the opposite side's length by the adjacent side's length.

$tan A = \frac{oppositeside}{adjacent side}.$

Step 2:

The opposite side's length = 6 cm.

The adjacent side's length = 8 cm.

$tan A = \frac{oppositeside}{adjacent side} = \frac{6}{8} = \frac{3}{4} = 0.75.$

6 0

2 years ago

How to simplify 6 +8b^2 +3b -6 - 10b^2

kozerog [31]

Answer:

-2b^2+3b

Step-by-step explanation:

You just have to add like terms, which is the single numbers, the numbers with just the variables, and the numbers with variables that are squared.

5 0

2 years ago