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dmitriy555 [2]
3 years ago
6

Please help with both

Mathematics
2 answers:
tresset_1 [31]3 years ago
3 0
The first one is B. This is because both numbers need to be subtracted. 

The second one is A. Subtracting a negative number results in a positive. 
ZanzabumX [31]3 years ago
3 0
I don’t know sorry luv
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What is the relation between 1 and 2?
Tju [1.3M]

Answer:

Supplementary and Linear Pair

Step-by-step explanation:

The angles 1 and 2 form 180 degrees. That is the definition of a Supplementary Angle and Linear Pair.

4 0
4 years ago
Triangle PQR is similar to triangle XYZ<br> Select all angles that have a cosine of 9/15
kotegsom [21]

Answer:

Step-by-step explanation:

4 0
3 years ago
Pls Help, 20 points!
skelet666 [1.2K]

Answer:

90/13, 45/13

Step-by-step explanation:

- 2 = x \\ 7x + 9y =  - 45 \\  \\ 7 \times ( - 2)y + 9y =  - 45 \\ y = 9 \\  \\ 7x + 9 \times 9 =  - 45 \\ x =  - 18 \\ (x.y) =  (- 18.9) \\  \\

Simplify:

- 2 \times 9 =  - 18 \\  7 \times ( - 18) + 9  \times 9 =  - 45 \\  - 18 =  - 18 \\  - 45 =  - 45

5 0
3 years ago
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Which calculation could be used to determine the
mylen [45]

Answer:

6x4

Step-by-step explanation:

8 0
4 years ago
The area of a triangle is 80cm² and its base is 8cm. If its height is (6+k) cm, find the value if k.
Leviafan [203]

Answer:

K=14

Step-by-step explanation:

A=1/2*b*h

80=1/2*8*(6+k)       multiply by 2 on both sides

160=8*(6+k)            distribute by 8

160=48+8k              subtract 48 from both sides

112=8k                     divide by 8

14=K

8 0
4 years ago
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