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Murrr4er [49]
4 years ago
11

Please help! I need number one!

Mathematics
2 answers:
allsm [11]4 years ago
4 0
(8+2w)(12+2w)=192

96+16w+24w+4w^2=192

4w^2+40w+96=192

4w^2+40w-96=0

4(w^2+10w-24)=0

4(w^2-2w+12w-24)=0

4(w(w-2)+12(w-2))=0

4(w+12)(w-2)=0, since w>0

w=2

The width of the walkway is 2 feet.
Eduardwww [97]4 years ago
3 0
Just add 8+8 12+12  then get your answer and multiply that by each number in the answer box until you get 192
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SOMEONE PLEASE HELP ME WITH THIS !!!!!!
dem82 [27]

Answer:

36 stickers

Step-by-step explanation:

7 erasers in each bag

7 x 3 bags = 21 erasers total

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Equation:

Total items = 7x + 12y

7 0
3 years ago
Need math help!! answer choices are 80 , 40, 20, and 60
vivado [14]

Answer:

60

Step-by-step explanation:

The corresponding angles of the triangles are given, y + 10 and 2y - 40. You need to first find the value of the variable (in this case, y), and to do this, you need to set them equal to one another:

y + 10 = 2y - 40

<u>Subtract y from both sides:</u>

<u />

y + 10 = 2y - 40

-y          -y

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10 = y - 40

<u>Add 40 to both sides:</u>

<u />

10 = y - 40

+40    +40

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50 = y

Now that we have the value of y, you need to plug the value into one of the expressions (either one will come out with the same answer):

y + 10

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<em><u>OR</u></em>

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5 0
3 years ago
Find the radius if mADB=270° and length is 61.26 meters
love history [14]

Given:

In the given circle, ∠ADB = 270° and length of ADB = 61.26 m

To find the radius of the circle.

Formula

The formula to determine the radius is given by

arc \ length =(\frac{\theta}{360})2 \pi r

Substituting arc length = 61.26, \theta= 270, we get;

61.26 =(\frac{270}{360})2 (3.14) r

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Thus, the radius is 13 m

6 0
3 years ago
Dennis is going to use a number line to multiply 6 × 4.
Sergeeva-Olga [200]
B. The answer will always be to the right of 4.
6 x 4 = 24
24 is greater than 4, which means it is to the right of 4. On a number line, numbers increase from left to right.
8 0
3 years ago
Read 2 more answers
3. What is the correct factorization of x2 – 2x – 15?
DedPeter [7]

Answer:

(x+3)(x−5)

Step-by-step explanation:

to factor, simply just think of what two numbers multiplied together would give you -15 but added together give you -2. since the produce is negative, you know one number is positive, and one is negative, and since the sum is also negative, you know that the larger root is negative

3 0
4 years ago
Read 2 more answers
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