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Svetach [21]
3 years ago
12

HELP ASAP PLEASE 20 POINTS

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
4 0

Answer:

904.4

Step-by-step explanation:

C

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Solvex2<br> - 4x=21 <br> using the zero product property.
Ierofanga [76]

Answer:

The answer is (x + 3) (x - 7) = 0

Step-by-step explanation:

x² - 4x = 21

x² - 4x - 21 = 0

x² - 7x + 3x - 21 = 0

x(x - 7) + 3(x - 7) = 0

(x + 3) (x - 7) = 0

Thus, The answer is (x + 3) (x - 7) = 0

<em><u>-TheUnknownScientist</u></em>

5 0
2 years ago
What's the answer for 4a - 13=19
pashok25 [27]
4a-13=19  add 13 to both sides
4a=32     divide by 4 on both sides
a=8

5 0
3 years ago
30x10-91x3-30 factorizar
Mrrafil [7]

Answer:

(3x5 - 10) • (10x5 + 3)

Step-by-step explanation:

4 0
2 years ago
Which two activities are examples of data collecting?
Ganezh [65]

Hello!

The 2 activities which represent data collecting are :

  • A. Graphing the heights of baseball players
  • C. Asking people what their favorite food is

6 0
2 years ago
Read 2 more answers
Help helppp help i need answerr thank Uuuuuuuuu​
Galina-37 [17]

Answer:

see explanation

Step-by-step explanation:

(a)

The angles are vertical and congruent, that is

x - 10 = 125 ( add 10 to both sides )

x = 135

-------------------------------------------------

(b)

Supplementary angles sum to 180°

The angles are in the ratio 2 : 3 = 2x : 3x ( x is a multiplier ), then

2x + 3x = 180

5x = 180 ( divide both sides by 5 )

x = 36

thus

2x = 2 × 36 = 72

3x = 3 × 36 = 108

Then the 2 angles are 72° and 108°

3 0
2 years ago
Read 2 more answers
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