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malfutka [58]
2 years ago
11

2. Determine if the expressions are equivalent by comparing the models.

Mathematics
1 answer:
Ksju [112]2 years ago
8 0

Answer:

answer 4 y +rdcmeint or 67456

Step-by-step explanation:

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Determinati numerele natrale x care sunt soltii ale incuatiilor:
Studentka2010 [4]
Um.. can you translate that to English..
6 0
3 years ago
Triangle ABC has AB=5, BC=7, and AC=9. D is on AC with BD=5. Find the length of DC
e-lub [12.9K]

Answer:

DC=\frac{8}{3}\ units

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The triangle ABD is an isosceles triangle

because

AB=BD

The segment BM is a perpendicular bisector segment AD

so

<em>In the right triangle ABM</em>

Applying the Pythagorean Theorem

BM^2=AB^2-AM^2

we have

AB=5\ units\\AM=x\ units

substitute

BM^2=5^2-x^2

BM^2=25-x^2 -----> equation A

<em>In the right triangle BMC</em>

Applying the Pythagorean Theorem

BM^2=BC^2-MC^2

we have

BC=7\ units\\MC=AC-AM=(9-x)\ units

substitute

BM^2=7^2-(9-x)^2

BM^2=49-(81-18x+x^2)  

BM^2=49-81+18x-x^2

BM^2=-x^2+18x-32 ----> equation B

equate equation A and equation B

-x^2+18x-32=25-x^2

solve for x

18x=25+32\\18x=57\\\\x=\frac{57}{18}

Simplify

x=\frac{19}{6}

<em>Find the length of DC</em>

DC=AC-2x

substitute the given values

DC=9-2(\frac{19}{6})

DC=9-\frac{19}{3}\\\\DC=\frac{8}{3}\ units

8 0
3 years ago
Look at the figure. Classify the pair of angles: &lt;2 and &lt;7.
s344n2d4d5 [400]

Answer:

Same-side exterior angles

Step-by-step explanation:

Through the process of elimination it is not:

→ Corresponding angles as that would be 2 and 6

→ Same side interior angles as that would be 3 and 6 or 4 and 5

→ Alternate interior angles as that would be 6 and 4 of 3 and 5

3 0
3 years ago
They looked around and then rushed toward each other. A cry of alarm surged through Tompkins Square Park. Was this a fight to th
Igoryamba

Answer:

B is the answer foks thanks for looking

Step-by-step explanation:

They looked around and then rushed toward each other.  A cry of alarm surged through Tompkins Square Park.  Was this a fight to the death instead of a boxing match?

 The fear soon gave way to wave upon wave of cheering as the two amigos embraced.

 No matter what the decision, they knew they would always be champions to each other.

(continued)

Based on the passage, how do the boys resolve their conflict?

They decide to fight to the death.

They decide not to care who the winner is.

They decide to fight a rematch.

They decide to end their friendship.

7 0
3 years ago
Read 2 more answers
−4x + 3y =7 <br> 5x − 2y =35 <br> What is the solution?
Bezzdna [24]

Answer:   x = 39/10     y = 29/5

4 0
2 years ago
Read 2 more answers
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