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dusya [7]
3 years ago
6

Mrs. Feiner gets 80% right on a quiz with 20 questions.

Mathematics
1 answer:
Ann [662]3 years ago
4 0

16 answer correct

80×20

_______. =16

100

Brainliest

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The sum of two numbers is 59 and the difference is 5 what are the numbers
svlad2 [7]

Answer:

32 and 27

Step-by-step explanation:

59 - 5 = 54

54 ÷ 2 = 27( smallest no. )

27 + 5 = 32( largest no. )

3 0
3 years ago
Read 2 more answers
Justify your reasoning
love history [14]

Answer:

Yes

Step-by-step explanation:

You can conclude that ΔGHI is congruent to ΔKJI, because you can see/interpret that there all the angles are congruent with one another, like with vertical angles (∠GIH and ∠KIJ) and alternate interior angles (∠H and ∠J, ∠G and ∠K).

We also know that we have two congruent sides, since it provides the information that line GK bisects line HJ, meaning that they have been split evenly (they have been split, with even/same lengths).

<u><em>So now we have three congruent angles, and two congruent sides. This is enough to prove that ΔGHI is congruent to ΔKJI,</em></u>

<u><em /></u>

7 0
3 years ago
Multiply and simplify
sleet_krkn [62]

Answer:

\Huge\boxed{2x^3+5x^2-7x+20}

Step-by-step explanation:

\text{Use FOIL:}\\\\(a+b)(c+d)=ac+ad+bc+bd

(x+4)(2x^2-3x+5)\\\\=(x)(2x^2)+(x)(-3x)+(x)(5)+(4)(2x^2)+(4)(-3x)+(4)(5)\\\\=2x^3-3x^2+5x+8x^2-12x+20\\\\\text{combine like terms}\\\\=2x^3+(-3x^2+8x^2)+(5x-12x)+20\\\\=2x^3+5x^2-7x+20

4 0
3 years ago
Complete the proof please
____ [38]

Answer:

Step-by-step explanation:

ΔQTU ≅ ΔRSU (congruent triangles)

When two triangles are congruent they will have exactly the same three sides and exactly the same three angles.

these is the case because in the case the triangle is turned, there is equal sides and angles.

7 0
3 years ago
What is another way to name plane T?
Solnce55 [7]

Answer:

Another way to name a plane

A plane can be named by a capital letter, often written in script, or by the letters naming three non-collinear points in the plane.Step-by-step explanation:

6 0
4 years ago
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