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3 years ago

6

Can you help me with letter C?

1 answer:

Ierofanga [76]3 years ago

4 0

Answer:

lets count the hundreths 20 + 28 = 48 tenths which would be .48 as a decimal then it would be 48/100, then 480% I think please wait for more responses if needed.

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The vertex of the parabola below is at the point (-4,-2) wich of the equations below could be the one for this parabola

MrRissso [65]

The parabola with with a vertex at (-4,-2) represents any member of parabolas with the equation $y(x)=a(x+4)^2-2$ where $a$ is any real number with the exception that $a\neq 0$ .

The reason any equation of the form $y(x)=a(x+4)^2-2$ works is that there are an infinite number of parabolas with a vertex at (-4,-2). All of these parabolas are formed by applying some transformation that involves a vertical translation of -2 and a horizontal translation of -4 on the parabola $y=x^2$ . The different variations are archived by varying the constant $a$ . When $a$ is negative, the parabolas will face downwards. When $a$ is negative, the parabolas will be face downwards.

6 0

4 years ago

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How do you show that 2/11 is a repeating decimal

mojhsa [17]

.18 with a bar above it

3 0

2 years ago

The perimeter of a rectangle is 78 inches. The width is "w" and the length is 2x+3. Find the width and the length of the rectang

Katen [24]

Answer:

width = 12 Inches

length = 27 Inches

Step-by-step explanation:

Perimeter of Rectangle Formula is 2(l+w), Therefore,

2(l+w)=78 inches (Equation 1)

l= 2x+3 (Equation 2)

Let width be x

Putting width as x and l as 2x+3 in equation 1

2(2x+3+x)=78

2(3x+3)=78

6x+6=78

6x=72

x=12

Putting width=>x =12 inches in equation 2 to find the length

l=2(12)+3

l=27 inches

7 0

3 years ago

8 - 5b = -7 ?? whats the b

hram777 [196]

Answer:

b=3

Step-by-step explanation:

Isolate the b:

8-5b=-7
Subtract 8, -5b=-15
Divide by -5, b=3

Check your answer:

8-5(3)=-7
8-15=-7
-7=-7

4 0

3 years ago

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Let 2004-02-01-02-00_files/i0200000.jpg. If 2004-02-01-02-00_files/i0200001.jpg is a complement of 2004-02-01-02-00_files/i02000

Reika [66]

Answer: The answer is (C) 180°.

Step-by-step explanation: Given that m∠A = 40°. ∠B is a complement of ∠A and ∠C is a supplement of ∠B. We are to find m∠B + m∠C.

Since ∠B is a complement of ∠A, so we have

$m\angle A+m\angle B=90^\circ\\\\\Rightarrow m\angle B=90^\circ-m\angle A=90^\circ-40^\circ\\\\\Rightarrow m\angle B=50^\circ.$

Now, since ∠C is a supplement of ∠B, so we have

$m\angle B+m\angle C=180^\circ\\\\\Rightarrow m\angle C=180^\circ-m\angle B=180^\circ-50^\circ\\\\\Rightarrow m\angle C=130^\circ.$

Therefore,

$m\angle B+m\angle C=50^\circ+130^\circ=180^\circ.$

Thus, (C) is the correct answer.

7 0

3 years ago

Read 2 more answers