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IRINA_888 [86]
2 years ago
12

9. Lillie's grandmother is making dinner

Mathematics
1 answer:
Andreyy892 years ago
3 0
The answer would be 8
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In the figure, j∥k and m∠1 = 63°.
ANTONII [103]

Answer:

∠ 4 = 117°

Step-by-step explanation:

∠ 1 and ∠ 4 are alternate angles and supplementary, sum to 180°, then

∠ 4 = 180° - 63° = 117°

3 0
3 years ago
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When writing an standard number in scientific notation, the first factor must have a value ≥ 1 and <
Oliga [24]
Thats true a number has to be greater than 1 and less than 10.
8 0
3 years ago
5-2 ????=7-5 ???? which value of x is the solution to the above equation?
saw5 [17]
5-2x=7-5x
-2x+5x=7-5
3x=2
X=2/3
8 0
3 years ago
A car dealership paid $12,800 for a car. They mark up the price by 20%
ch4aika [34]

Answer:

$15,360

Step-by-step explanation:

To find the retail price, multiply 12,800 by 1.2

12,800(1.2)

= 15,360

So, the retail price is $15,360

6 0
3 years ago
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Find the discriminant of 3x^2-10x=-2
Oksanka [162]

Answer:

76

Step-by-step explanation:

given a quadratic equation in standard form : ax² + bx + c = 0 : a ≠ 0

then the discriminant is Δ = b² - 4ac

given 3x² - 10x = - 2 ( add 2 to both sides )

3x² - 10x + 2 = 0 ← in standard form

with a = 3, b = - 10 and c = 2

b² - 4ac = (- 10)² - (4 × 3 × 2) = 100 - 24 = 76


7 0
3 years ago
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