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kherson [118]
3 years ago
6

Select the correct answer from each drop-down menu.

Mathematics
2 answers:
astraxan [27]3 years ago
8 0

Answer: Pt1= Only x=5

              Pt2=Is not x=5 is an extraneous solution though I believe It is x=-2 is an extraneous solution

Step-by-step explanation:

fiasKO [112]3 years ago
4 0

Answer:

Step-by-step explanation:

For all Plato users.

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Mrs. Gustafsson's English class is taking an exam that is made up of short-response questions and essay questions. There are 22
mestny [16]

Answer:

Short-response question = 20.

Step-by-step explanation:

Let x be number of short response questions and y be the number of essay questions.

We have been given that there are 22 questions that are worth 100 points in total. Each short-response question is worth 4 points, and each essay question is worth 10 points. Using our given information we can form a system of equations as:

x+y=22...(1)  

4x+10y=100...(2)

Now we will solve our system of equations using substitution method.

From equation 1 we will get,

y=22-x

Upon substituting y=22-x in equation 2 we will get,

4x+10(22-x)=100

4x+220-10x=100

4x-10x=100-220

-6x=-120

x=\frac{-120}{-6}    

x=20  

Therefore, there are 20 short-response questions on the exam.

5 0
3 years ago
Geometry proofs <br> Need help!!
Andrew [12]

Angles ∠MOK and ∠NOL are identical by opposite angle theorem.

∠M = ∠N through given information

∠MKO and ∠NLO are congruent. Since the other two angles of each triangle are equivalent, the last angle must be equivalent to the last angle of the other triangle. (180 - ∠1 -∠2 = ∠3); you could also prove ∠MKO  = ∠NLO by stating that the opposite sides of the two angles are congruent.

ΔMKO and ΔNLO by Angle-Angle-Side theorem

since ΔMKO and ΔNLO, all corresponding parts of both triangles are congruent, so therefore MO ≅ NO

8 0
3 years ago
a drawing of a surboard in a catalog shows it's length as 8 4/9 inches. find the actual length of surfboard if 1/2 inch length o
Delvig [45]
\frac12 in -\frac38 ft \\&#10;8\frac48 in - x\ ft\\&#10;\\&#10;\frac12x=\frac38 \cdot 8\frac49\\&#10;\frac12x=\frac38 \cdot \frac{76}9\\&#10;\frac12x=\frac{76}{24}\ /\cdot 2\\&#10;x=\frac{76}{12}=6\frac13 ft\\\\&#10;Answer:Actual\ lenght\ is\ 6\frac13ft.
8 0
3 years ago
A.tell what point is located at each ordered pair
Anna11 [10]

Answer: all of them are x,y

Step-by-step explanation:

5 0
3 years ago
Please help 100 points.​
IceJOKER [234]

Answer:

76 square feet

Step-by-step explanation:

surface area = 2(wl + hl + hw)      w=width     h=height       l=length

surface area = 2(5*4 + 2*4 + 2*5)

surface area = 2(20 + 8 + 10)

surface area = 2(38)

surface area = 76 square feet

7 0
3 years ago
Read 2 more answers
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