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musickatia [10]
3 years ago
12

Describe how the number sentences in each exercise are related

Mathematics
2 answers:
VashaNatasha [74]3 years ago
6 0
Is there any way you can show it to us
natima [27]3 years ago
4 0
Can you show picture of sentences
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Someone please help me, and it says find the value of x and y.
mars1129 [50]
To find x:
Triangles are in total 180 degrees. The two triangles are basically 1 triangle split in half. If the triangle share the same side, has similar angles (shown by the curves on both sides at the top(Angle BAC and CAB), and has similar sides(shown by the hashes made in the lines AC & AB), you can conclude 'x' as a 90 degree angle.
To find y:
The measurment of the angle DCA is 47 degrees. For x, we concluded the answer to be 90 degrees, making the other side of the line 90 degrees as well.Since a triangle is 180 degrees, we can add 47 and 90 to get 137. Taking that answer, we subtract it from the value of 180 degrees to get 43 degrees. So y equals 43.
7 0
3 years ago
Evaluate.<br> 25/5+7-(4x3)
navik [9.2K]
Using PEMDAS, we know that we must solve what’s in the perentheses first so: 25/5 + 7 - (4x3) = 25/5 + 7-12. Next, we simplify 25/5 because that is division so now it is 5+7-12. Now you add 7 to 5 to get 12 and then subtract 12 so your answer is now zero.
7 0
2 years ago
What is the converted metric unit for 75 cm
STALIN [3.7K]

Answer:

To inches?

Step-by-step explanation:

75 cm = is about like 30 inches

7 0
3 years ago
Gandalf the grey started in the forest of mirkwood at a point pp with coordinates (−2,1)(−2,1) and arrived in the iron hills at
AlladinOne [14]
Travel direction 3i + 2j, slope = 2/3.
We have slope and a point (-2,1) this gives us a line equation:
 LINE BEFORE THE TURN, EQUATION: y = (2/3)x + 1

The point of intersection of the two lines:
1) through (-2,1) with slope 2/3 and;
2) through (-1,6) with slope 3/2. 
8 0
3 years ago
Add the followinf expresion<br>b. x- 3y + 4z , y – 2x- 8z ,5x – 2y – 3z ​
Mariana [72]

Answer:

4x - 4y - 7z

Step-by-step explanation:

x - 3y + 4z + y - 2x - 8z + 5x - 2y - 3z =

(x - 2x + 5x) + (y - 3y - 2y) + (4z - 8z - 3z) =

4x + (- 4y) + (-7z) =

4x - 4y - 7z <===

3 0
3 years ago
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