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Black_prince [1.1K]
3 years ago
15

Is this equation an identity? z = -10 − z

Mathematics
1 answer:
Umnica [9.8K]3 years ago
3 0

Answer:

y

Step-by-step explanation:

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Jason has read 70% of a 310 page book. How many pages has he read? How many pages has he not read
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Answer:

50%

Step-by-step explanation:

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A quadratic rule for a particular parabola is of the form y = ax^2 + bx. The parabola passes through with the coordinates (-1, 4
Scilla [17]

Answer:

y = (4/7)x² - (24/7)(x)

Step-by-step explanation:

4 = a(-1)² + b(-1)

4 = a - b

0 = a(6)² + b(6)

36a + 6b = 0

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b = -24/7

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6 0
3 years ago
On a test, you earn 92% of the possible points by correctly answering 6 five-point questions and 8 two-point questions. How many
Digiron [165]

6*5=30

8*2=16

30+16=46

The test was worth 46 total points

6 0
3 years ago
A toy rocket is launched straight up into the air with an initial velocity of 60 ft/s from a table 3 ft above the ground. If acc
alexdok [17]
The equation is:
h ( t ) = - 16 t² + 60 t + 3
The toy rocket will reach the ground when: h ( t ) = 0
- 16 t² + 60 t + 3 = 0
t _{12} =  \frac{-60+/- \sqrt{3600+192} }{-32}
t 1 = - 0.05
t 2 = 3.8
Answer:
C ) 3.80 s

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3 years ago
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