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a_sh-v [17]
3 years ago
5

Solve the system using any method 4x - 3y + 72 = 13 X+ 4y + z = 12 5y- z = 9

Mathematics
1 answer:
8_murik_8 [283]3 years ago
7 0

Answer:

x=-12

y=11/3

z=28/3

Step-by-step explanation:

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You leave home and walk 3 blocks east, then 4 blocks north. How far are you from<br><br>home?
lara31 [8.8K]
I believe the answer would 5 blocks

If you go 3 blocks East and 4 north, they are like the straight sides of a triangle, so to find the diagonal distance, or the shortest distance, you would find the diagonal side of a triangle it is
A squared + B squared = C squared

So 3x3 = 9
And 4x4 = 16
16+9=25
And the square root of 25 is 5

Please correct me if I am wrong and have a good day
4 0
3 years ago
Please help me with this question! Will give brainliest!
MissTica

Answer:

D) 2/3 x - 8

E) -4x + 11

Step-by-step explanation:

y ∈ R | -∞ < y < ∞ just means that the range for y is all real numbers in a function. For y to be all real numbers, the function, when graphed, has to have no top or bottom limit. The only graphs without top or bottom limits are D and E.

A has a bottom limit

B has a bottom limit

C has a top limit

4 0
3 years ago
One-stray Problem Solving
anygoal [31]
A) 5000 m²
b) A(x) = x(200 -2x)
c) 0 < x < 100
Step-by-step explanation:
b) The remaining fence, after the two sides of length x are fenced, is 200-2x. That is the length of the side parallel to the building. The product of the lengths parallel and perpendicular to the building is the area of the playground:
A(x) = x(200 -2x)
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a) A(50) = 50(200 -2·50) = 50·100 = 5000 . . . . m²
__
c) The equation makes no sense if either length (x or 200-2x) is negative, so a reasonable domain is (0, 100). For x=0 or x=100, the playground area is zero, so we're not concerned with those cases, either. Those endpoints could be included in the domain if you like.
3 0
2 years ago
What is the remainder when x+ - 2x2 – 3x – 7 is divided by x + 2?
guapka [62]

x+-2*2-3x-7

x+4-3x-7

x+1.x-7

x.x-7

2x-7

4 0
3 years ago
What is the measure of angle Z in the parallelogram shown?
Anarel [89]

Answer:

30 Degress

Step-by-step explanation:

8 0
3 years ago
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