2 years ago

Which of the following fractions compares BC to BD?

Mathematics

1 answer:

Hoochie [10]2 years ago

7 0

Answer:

(2/4)/(4/4) = 0.5 or 2/4

Step-by-step explanation:

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Question 1 of 10

Archy [21]

Answer:

A. y = 7(x + 1)²-3

Step-by-step explanation:

Parabola:

$y = 7x^{2} + 14x + 4$

$y = 7(x^{2} + 2x) + 4$

Putting into vertex form, remember that:

$(x + a)^{2} = x^{2} + 2ax + a^{2}$

In this question:

$x^{2} + 2x$ , to put into this format:

$x^{2} + 2x + 1 = (x + 1)^{2}$

We add one inside the parenthesis to do this. The parenthesis is multiplied by 7, so for the equivalent, we also have to subtract 7. Then

Vertex form:

$y = 7(x^{2} + 2x + 1) + 4 - 7$

$y = 7(x + 1)^{2} - 3$

So the correct answer is:

A. y = 7(x + 1)²-3

3 0

3 years ago

two numbered cubes are rolled then a spinner with 4 different colors on it spun twice then two coins are flipped how many total

vampirchik [111]

Answer: 12 possible outcomes in total

Step-by-step explanation:

8 0

2 years ago

What is the value of 20+6•5/-2

scoray [572]

Answer:

The answer is 25

Step-by-step explanation:

6•5=30

30+20=50

50/-2=25

7 0

2 years ago

The variables Y and X have a proportional relationship, and y=12 when x=5. What is value of y when x =8? Enter your answer in th

kkurt [141]

Answer:

y=19.2

Step-by-step explanation:

Here as y is proportional to x

$y=kx$

When y = 12 , x = 5

We have

12 = 5k

$k=\frac{12}{5}=2.4$

So now we have

y=2.4x

When x = 8

y = 2.4(8)

y = 19.2

4 0

3 years ago

Read 2 more answers

Find the interest when the interest is 4.5 times the principal, the principle is p and the time period is 13.5 years

MrMuchimi

Answer: Interest will be 3%

Step-by-step explanation:

4.5x = x * r * 13.5

4.5x = 13.5x*r

r = 13.5x/4.5x = 3%

8 0

3 years ago

Read 2 more answers