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Lemur [1.5K]
3 years ago
10

Work out the circumference of a circle with diameter 1.8

Mathematics
2 answers:
dalvyx [7]3 years ago
5 0
5.66 (3 significant figures)
ZanzabumX [31]3 years ago
4 0
5.65 when rounded :)
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Can u help me please​
Ghella [55]

Answer:

Option A, p

Step-by-step explanation:

<u>Step 1:  Identify the correct answer </u>

Since the value of the higher point is (6, 5).  This means that the x-value or p is greater than q since the x-value will stay the same as 6.  While the q value will become even smaller.

Answer: Option A, p

6 0
3 years ago
Graph on a number line. −6 over 7
Fantom [35]
I graphed it by starting with the coordinate of (-6,7).

3 0
3 years ago
Solve the system of equations.
guajiro [1.7K]

Answer:

<u>Option b. (x = 3, y = 20, z = -14)</u>

Step-by-step explanation:

Given:

2x + 2y + 3z = 4

5x + 3y + 5z = 5

3x + 4y + 6z = 5

Solve using Cramer’s rule

∴ \left[\begin{array}{ccc}2&2&3\\5&3&5\\3&4&6\end{array}\right] =\left[\begin{array}{ccc}4\\5\\5\end{array}\right]

∴A = \left[\begin{array}{ccc}2&2&3\\5&3&5\\3&4&6\end{array}\right] = -1

Ax = \left[\begin{array}{ccc}4&2&3\\5&3&5\\5&4&6\end{array}\right] = -3

Ay = \left[\begin{array}{ccc}2&4&3\\5&5&5\\3&5&6\end{array}\right] =-20\\

Az = \left[\begin{array}{ccc}2&2&4\\5&3&5\\3&4&5\end{array}\right] = 14

∴ x = Ax/A = -3/-1 = 3

   y = Ay/A = -20/-1 = 20

   z = Az/A = 14/-1 = -14

<u>So, the answer is option b. (x = 3, y = 20, z = -14)</u>

4 0
4 years ago
Write and solve a real world problem that can be represented by the expression (-3)(5)+10
RoseWind [281]
I have rows of cookies, with 5 cookies in each row. i have to give 3 rows away, but after i do that then my friend gives me 10 cookies from their bag, what is the change in the total number of cookies i have.

this gets you the -3(5) and then + 10 which -3(5)+10 = -5

I lost 5 cookies
3 0
4 years ago
Read 2 more answers
Perpendicular lines AB and CD intersect at point E. If m∠AED = x + 20, what is the value of x?
kondor19780726 [428]
I'm pretty sure it's 70 because they have to intersect at right angles, and 70 + 20 = 90.
3 0
4 years ago
Read 2 more answers
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