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sasho [114]
3 years ago
15

The combined area of the photo and mat needs to be 224 square inches. The equation that represents the combined area is (2w+8)(2

w+10)=224, where w represents the width of the mat around the photo.

Mathematics
1 answer:
Charra [1.4K]3 years ago
7 0
Hopfully one of them is what you wanted

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The function f(t) = 4t^2 − 8t + 6 shows the height from the ground f(t), in meters, of a roller coaster car at different times t
andreev551 [17]

Answer:

C - f(t) = 4(t − 1)^2 + 2; the minimum height of the roller coaster is 2 meters from the ground.

Step-by-step explanation:

Here we're asked to rewrite the given equation f(t) = 4t^2 − 8t + 6 in the form f(t) = a(t - h)^2 + k (which is known as the "vertex form of the equation of a parabola.")  Here (h, k) is the vertex and a is a scale factor.

Let's begin by factoring 4 out of all three terms:

f(t) = 4 [ t^2 - 2t + 6/4 ]

Next, we must "complete the square" of t^2 - 2t + 6/4; in other words, we must re-write this expression in the form (t - h)^2 + k.

(To be continued)

3 0
3 years ago
(please help, im taking an exam rn) Solve for T.
spin [16.1K]

Answer:

(6b+4)/r=t

Step-by-step explanation:

b=(rt-4)/6

multiply by 6

6b=rt-4

add 4

6b+4=rt

divide by r

(6b+4)/r=t

3 0
2 years ago
Read 2 more answers
Gabrielle is 9 years younger than Mikhail. The sum of their ages is 75 . What is Mikhail's age?
Damm [24]

Answer: We know Gabrielle is 9 yrs younger than Mikhail hence it will be x-9 yrs. Sum of their ages is 87. Mikhail's age is 48 yrs.

HOPE THIS HELPS

6 0
2 years ago
PLEASE HELP WITH THIS MATH QUESTION
Vanyuwa [196]
Table C is a function because there is one x-value for every y-value.
6 0
3 years ago
Figure A is a scale image of Figure B. What is the value of x?
Arte-miy333 [17]
X=30
Put in proportions x/45 = 18/27.
Cross multiply and get 27x= 45 x 18
Or 27X = 810.
Next, divide by 27 on both sides to get X=30.
8 0
3 years ago
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