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kolbaska11 [484]

2 years ago

12

Ms. Johnson was grading Drake's test. Drake got 27 out of 30 questions correct. What percent is equivalent to the fraction of th

e number of questions Drake got correct on the test?

1 answer:

andreev551 [17]2 years ago

5 0

27/30 as a percentage is 90%

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Learning goal: to understand the rules for computing dot products. let vectors a=(2,1,−4), b=(−3,0,1), and c=(−1,−1,2). part a -

miv72 [106K]

For this case we have the following vectors:
$a = (2,1, -4)

b = (- 3,0,1)

c = (- 1, -1,2)$
The dot product of two vectors is a scalar.
The point product consists of multiplying component by component and then adding the result of the multiplication of each component.
For the product point of the vectors a and b we have:
$a.b = (2,1, -4). (- 3,0,1)

a.b = (2) (- 3) + (1) (0) + (-4) (1)

a.b = - 6 + 0 - 4

a.b = - 10$
Answer:
The product point of the vectors a and b is:
$a.b = - 10$

3 0

3 years ago

What is the slope of the line that goes through (-5,5) and (5,-7)

sladkih [1.3K]

Answer:

-1/5

Step-by-step explanation:

slope formula:

m = y₂ - y₁ / x₂ - x₁

Two points are given:

(-5, -5) (5, -7)

m = -7 - (-5) / 5 - (-5)

m = -2 / 10

m = -1/5

7 0

3 years ago

Read 2 more answers

What is the length of the missing leg? If necessary, round to the nearest tenth.

galben [10]

Answer:

is that the ixl

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8 0

1 year ago

A plant 3 inches tall grows an average of 0.5 inches each month. Which equation models the heigh h after x months

anzhelika [568]

Answer:H = 3 + 0.5x

Step-by-step explanation:

This would be H = 3 + 0.5x

5 0

2 years ago

Sara has 50 dollars to spend at an amusement park. Admission is 20 dollars, and tickets cost 1.50 per ride. Write an equation to

ra1l [238]

Answer:

20

Step-by-step explanation:

50 - 20 = 30

30 ÷ 1.50 = 20

4 0

2 years ago