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AnnZ [28]
3 years ago
10

What is 3 1/18 as a decimal

Mathematics
1 answer:
egoroff_w [7]3 years ago
7 0
3 1/18 = 3 + 1/18

= 3/1 + 1/18

= (3/1 * 18/18) + 1/18

= 54/18 + 1/18

= 55/18

= 55 ÷ 18 =<em> 3.055556</em>

OR

3 1/18 = 3 + 1/18

= 3 + (1 ÷ 18)

= 3 + 0.055556 = 3.055556

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How can you use mental math to determine that 2800 divide equals 400
AURORKA [14]

2800 ÷ 400

Cross out 2 zeros from both numbers, then you have 28 ÷ 4  = 7

4 0
3 years ago
Can someone please help me I’ll give brilliant thingy
cricket20 [7]

Answer:

Yes, the shapes are similar. Note, the angles are equivalent and the sides are scales of each other satisfying the requirements for similarly.

Step-by-step explanation:

For a shape to be similar there are two conditions that must be met. (1) Must have equivalent angles (2) Sides must be related by a scalar.

In the two triangles presented, the first condition is met since each triangle has three angles, 90-53-37.

To test if the sides are scalar, each side must be related to a corresponding side of the other triangle with the same scalar.

9/6 = 3/2

12/8 = 3/2

15/10 = 3/2

Alternatively:

6/9 = 2/3

8/12 = 2/3

10/15 = 2/3

Since the relationship of the sides is the scalar 3/2 (Alternatively 2/3), then we can say the triangles meet the second condition.

Given that both conditions are satisfied, then we can say these triangles are similar.

Note, this is a "special case" right triangle commonly referred to as a 3-4-5 right triangle.

Cheers.

8 0
2 years ago
PLEASE HELP 4 QUESTIONS 90 POINTS
kondor19780726 [428]

1.  n^2 -8n +16 = 25

Subtract 25 from both sides

n^2 - 8n + 16 - 25 = 0

Simplify

n^2 - 8n - 9 =0

Factor

(n-9)(n+1) = 0

Solve for n

n-9 = 0, n = 9

n+1 = 0, n = -1

Solution: 9,-1


2. C = b^2/25

Multiply both sides by 25:

25c = b^2

Take square root of both sides

b = +/-√25c

Simplify:

b = 5√C, -5√C


3. d = 16t^2 +12t

subtract d from both side:

16t^2 + 12t -d =0

Use quadratic formula to solve:

t = (3 +/-√(9-4d))/8


4. 5w^2 +10w =40

Subtract 40 from both side:

5w^2 + 10w -40 = 0

Factor:

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

Divide both sides by 5:

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

Solve for w:

w-2 = 0, w = 2

w+4=0, w = -4

Solution: 2,-4



4 0
3 years ago
Read 2 more answers
What is the cost of 4 pairs of Nikes if each pair is $365.68 along with 120 peaches that each cost $9.00? Help giving away 30 po
Nutka1998 [239]

Answer:

$2542.72 for everything

Step-by-step explanation:

$365.68*4=$1462.72 for the nikes

120*9.00=1080 for the peaches SO YOU ADD the $1462.72 and the *1080 which is $2542.72 for everything

6 0
2 years ago
Read 2 more answers
#33 please. Show work. Thanks in advanced.
Alex Ar [27]

A. 12% discount, or, $7.44 discount

B. The sale price is $54.56

4 0
3 years ago
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