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AnnyKZ [126]
3 years ago
10

If the product of two numbers is equal to zero then at least one of the numbers must be zero

Mathematics
2 answers:
Zarrin [17]3 years ago
8 0

Answer:

True

Step-by-step explanation:

IRINA_888 [86]3 years ago
6 0

Answer:

True, because if we multiply any number with zero the product will still be zero.

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5x + 7 = 2x - 8 can anyone say how to solve please ​
SCORPION-xisa [38]

Answer:

x = - 5

Step-by-step explanation:

Given

5x + 7 = 2x - 8 ( subtract 2x from both sides )

3x + 7 = - 8 ( subtract 7 from both sides )

3x = - 15 ( divide both sides by 3 )

x = - 5

4 0
2 years ago
What are the x-coordinates of the solutions to this system of equations? x2 + y2 = 100 y = x + 2
kiruha [24]

Answer:

x = - 8, x = 6

Step-by-step explanation:

Given the 2 equations

x² + y² = 100 → (1)

y = x + 2 → (2)

Substitute y = x + 2 into (1)

x² + (x + 2)² = 100

x² + x² + 4x + 4 = 100

2x² + 4x + 4 = 100 ( subtract 100 from both sides )

2x² + 4x - 96 = 0 ( divide through by 2 )

x² + 2x - 48 = 0 ← in standard form

(x + 8)(x - 6) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 8 = 0 ⇒ x = - 8

x - 6 = 0 ⇒ x = 6

6 0
3 years ago
Find the area of that with explanations thanks
TEA [102]

Answer:

900m or 300m

Step-by-step explanation:

45 x 20 = 900

30 x 10 = 300

3 0
3 years ago
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Below are the results of tossing a number cube 7times. Find the experimental probability of tossing an even number. 6 4 3 2 5 3
Daniel [21]
3/7 or 3:7 because you tossed the dice 7 times and got an even number 3 of those times.
7 0
3 years ago
Read 2 more answers
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Nataly_w [17]

Answer:

y = - 143/60 = -2 23/60

Step-by-step explanation:

5 0
2 years ago
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