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mixas84 [53]
3 years ago
14

P>-1 I need help fast I have to pass this

Mathematics
1 answer:
Sati [7]3 years ago
6 0
Your answer would be the last one
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Christine, Dale, and Michael sent a total of 71 messages during the weekend. Dale sent 9 fewer messages than Christine. Michael
Alisiya [41]

Answer:

Micheal sent 40 messages, Christine sent 20, and Dave sent 11.

Step-by-step explanation:

Christine, Dale, and Michael sent a total of 71 messages

C + D + M = 71

Dale sent 9 fewer messages than Christine

D = C - 9

Michael sent 2 times as many messages as Christine

M = 2C

Plug-in the numbers.

C + C - 9 + 2C = 71

4C - 9 = 71

4C = 80

C = 20

Now, plug in to other equations for other results.

D = (20) - 9

D = 11

M = 2(20)

M = 40

Micheal sent 40 messages, Christine sent 20, and Dave sent 11.

Verify?

40 + 20 + 11 = 71.

5 0
3 years ago
in a right triangle, the 58cm hypotenuse makes a 51 angle with one of the legs. rounded to two decimals places, how long is that
ser-zykov [4K]

Answer:

36.50

To two decimal places

Step-by-step explanation:

The hypothenuse side in a right angle triangle has 58cm. While the angle touching one of its leg is 51°. How long is that leg.

From the right angled triangle, the size of the leg touching the hypothenuse is the adjacent side of the triangle, hence in trigonometry, the cosine rule is used, because it involves the adjacent and the hypotenuse.

Cos 51°=x/58

Let the size of the leg be x

Making x the subject

x=58(Cos51°)

x=36.500058

Correct to two decimal place

x=36.50

3 0
3 years ago
Please please help me no links
Slav-nsk [51]
pretty sure it’s 108 because each angle of a pentagon is 108
4 0
3 years ago
how many square feet of paper are needed to cover a bulletin board that is 3 feet tall and 6 feet wide
rjkz [21]
18 square feet of paper is needed.
8 0
3 years ago
Read 2 more answers
Point A is located at (2,9) and is reflected in the x-axis. What is the location of Point A'?
elena-14-01-66 [18.8K]

Answer:

(2,-9)

Step-by-step explanation:

A reflection around the x-axis implies keeping the x-coordinate as it its (no change in its numerical value), while using the exact opposite of the numerical value of the y coordinate.

In our case then:

X coordinate unaltered = 2 stays as 2

Y coordinate opposite of the original value: 9 changes to "-9"

Therefore the coordinates of point A' are: (2,-9)

3 0
3 years ago
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