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shusha [124]
3 years ago
11

I need this by tomorrow can someone help me, please

Mathematics
2 answers:
ANEK [815]3 years ago
7 0

Answer:

No, it doesn't matter. In the end, both will have the answer of 4. Anything inside the absolute value is positive. So if |-5-(-9)| is |4|, then the answer is 4. If |-9-(-5)| is |-4|, then the negative four will turn into a positive four because it is inside the absolute value.

So in the end, both answers are 4 and it doesn't matter in which order the equation is set.

<u>Please mark as Brainliest if this helped :)</u>

steposvetlana [31]3 years ago
4 0

Answer:

no seeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeereeeeeeee

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Z varies jointly with x, and y, and z=7 when x= 2, y= 2
fomenos

Answer:

56

Step-by-step explanation:

Complete question:

Z varies jointly with x and y , x=2 and y=2, z=7. Find z when x=4 and y=8 using joint variation . (I need the problem worked out step by step)

If z varies jointly with x, and y, this is expressed as;

z = kxy

If z=7 when x= 2, y= 2

7  = k(2)(2)

7 = 4k

k = 7/4

To get z when x= 4 and y = 8

z = kxy

z =7/4 (4)(8)

z = 7*8

z = 56

Hence the value of z is 56

7 0
3 years ago
Please help me with this. What am I supposed to set the ratio equal to?
jenyasd209 [6]
The number that you get
6 0
3 years ago
Find the perimeter of the pentagon MNPQR with vertices ​M(2​, 4​), ​N(5​, 8​), ​P(​8, 4​), ​Q(8​, 1​), and ​R(2​, 1​)
Gekata [30.6K]

Answer:

The pentagon MNPQR has a perimeter of 22 units.

Step-by-step explanation:

Geometrically speaking, the perimeter of the pentagon is the sum of the lengths of each side, that is:

p = MN + NP + PQ + QR + RM (1)

p = \sqrt{\overrightarrow{MN}\,\bullet \, \overrightarrow{MN}} + \sqrt{\overrightarrow{NP}\,\bullet \, \overrightarrow{NP}} + \sqrt{\overrightarrow{PQ}\,\bullet \, \overrightarrow{PQ}} + \sqrt{\overrightarrow{QR}\,\bullet \, \overrightarrow{QR}} + \sqrt{\overrightarrow{RM}\,\bullet \, \overrightarrow{RM}} (1b)

If we know that M(x,y) = (2,4), N(x,y) = (5,8), P(x,y) = (8,4), Q(x,y) = (8,1) and R(x,y) = (2,1), then the perimeter of the pentagon MNPQR is:

p =\sqrt{(5-2)^{2}+(8-4)^{2}} + \sqrt{(8-5)^{2}+(4-8)^{2}}+\sqrt{(8-8)^{2}+(1-4)^{2}}+\sqrt{(2-8)^{2}+(1-1)^{2}}+\sqrt{(2-2)^{2}+(4-1)^{2}}p = \sqrt{3^{2}+4^{2}} + \sqrt{3^{2}+(-4)^{2}}+\sqrt{0^{2}+(-3)^{2}}+\sqrt{(-6)^{2}+0^{2}}+\sqrt{0^{2}+3^{2}}

p = 22

The pentagon MNPQR has a perimeter of 22 units.

4 0
3 years ago
Help me pls with this sgain​
Bingel [31]

Answer:

7/21=1/3

5/20=1/4

18/36=1/2

7 0
2 years ago
Read 2 more answers
2. 15 x 18 + 12 ÷ 3 + 9
brilliants [131]

Answer:

2. 283

3. 50

4. 23

5. 221

7. -152

6 0
3 years ago
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