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ahrayia [7]
2 years ago
13

- x - 4 y - z = 7 - 3 x + 4 y + 5 z = - 3 x + 2 y = - 4

Mathematics
2 answers:
densk [106]2 years ago
5 0

Answer:

Step-by-step explanation:

Evaluate

−

x

−

4

y

−

z

, then set it equal to

−

4

.

=

−

4

lana [24]2 years ago
3 0

Answer:

y = -x/2 - 2 and z = x + 1

Hope This Helps!!!

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Please help me withe this proof as well.​
baherus [9]

- D is the midpoint of AB, E is the midpoint of BC

Answer: A. Given

I left off DB||FC because that's not given.  But we can construct it.

Construct line through C parallel to AB.  Extend DE to intersect and call the meet F.

- DB || FC

By Construction

----

- Angle B congruent to angle FCE

Answer: D. Alternate Interior Angles

We have transversal BC across parallel lines AB and CF, so we get congruent angles ABC and FCB aka FCE

- angle BED congruent to angle CEF

Answer: H. Vertical angles are congruent

When we get lines meeting like this we get the usual congruent and supplementary angles.

- Triangle BED congruent to Triangle CEF

Answer: F. Angle Side Angle

We have BE=CE, DBE=FCE, BED=CEF

- DE congruent to FE and DB congruent to FC

Answer: C. CPTCTF

Corresponding parts ...

- AD congruent to DB and DB congruent to FC therefore AD congruent to FC

Answer: E. Transitive Property of Congruent

Things congruent to the same thing are congruent

- ADFC is a parallelogram

Answer: G.  AD and FC are congruent and parallel

Presumably this is a theorem we have already established.

- DE || AD

Answer: B. Definition of a parallelogram

4 0
2 years ago
G.O is going on a hike in the mountains on a hot summer day. He has 4/5 of water that he can split into 4 bottles. What fraction
vovangra [49]

I assume GO has 4/5 gallon of water.

If you want to split it equally into 4 bottles, you should do 4/5 /4.

Now simplify.

4/5/4=1/5

1/5 Gallon

3 0
3 years ago
Read 2 more answers
3. What is the perimeter of Patrick's<br> figure?
Rina8888 [55]
Answer : I need a graph or something
8 0
3 years ago
Help me please anybody
Archy [21]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which of the following best approximates the value g(h(1))?
34kurt

Answer:

Option (B)

Step-by-step explanation:

From the graph attached,

There are two functions 'f' and 'g' graphed.

Value of the function 'h' at x = 1,

y = h(1) = 0

Now we know g[h(1)] = g(0) [By substituting the value of h(1) = 0]

Therefore, value of the function 'g' at x = 0,

y = g(0) = -5 [y-intercept at x = 0]

Option (B) will be the correct option.

6 0
3 years ago
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