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ziro4ka [17]
4 years ago
11

Choose the correct simplification of the expression (−2x + 4y)(3x − 7y).

Mathematics
2 answers:
ivolga24 [154]4 years ago
6 0
(-2x+4y)(3x-7y)=-6x^2-28y^2
Nadya [2.5K]4 years ago
3 0
(-2x + 4y)(3x - 7y) = -6x^2 - 28y^2 + 12yx
You might be interested in
The question is down below
Vika [28.1K]
3.5 * 3.5 = 12.35. Each of Benji's pieces would be 12.35 cm^2
3 0
3 years ago
The Hawks have 112 games which is 60% of the games they have played this year how many games have the Hawks played this season
KATRIN_1 [288]

Answer:

187 games

Step-by-step explanation:

Calculation for how many games have the Hawks played this season

Numbers of games played=112 games/0.60

Numbers of games played=187 games

Therefore the numbers of games that Hawks

have played this season is 187 games

3 0
3 years ago
Using the following grading scale and the following scores calculate the student’s final grade in the class: Tests: 55% Quizzes:
Artyom0805 [142]

Answer:

87.471

Step-by-step explanation:

Given that scores for test, quiz, final exam , average quizzes.

There are weight given as 55% for quiz, 30% for homework, 5% Final Exam 10% Tests:

Now to calculate the student final grade, we can use weighted average method.

Final exam average


67

90

44

29

100

100

100


75.71428571

Use the averages to find:

Score Weight Score*weight

Quizzes 90 55% 49.5

Homework 85 30% 25.5

Tests 75.71 10% 7.571

final exam 98 5% 4.9

 

total   87.471

Hence answer is 87.471

7 0
3 years ago
What are the zeros of the quadratic function f(x)=2x^2+8x-3
Fynjy0 [20]

Answer:

you can use the quadratic formula to get theses:-

x  =[-8 +/- sqrt(8^2 - 4*2*-3)]  / 4

= -2 +/- sqrt88) / 4

= 0.35, -4.35   to nearest hundredth

Step-by-step explanation:


7 0
3 years ago
Can anyone help?????
Inessa [10]

Answer:

m angle ABC would be 75

Step-by-step explanation:

Since the sides are equivalent then that mean the corresponding angles are as well causing angle B & C to be equal and getting you the answer of 75.

Also don't forget if in any case you had to find C just put angle B & A and x (representing C) equal to 180 ( Since every triangle is equal to this )

4 0
3 years ago
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