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Anna007 [38]
3 years ago
13

Could you help please i dont get it

Mathematics
1 answer:
Akimi4 [234]3 years ago
6 0
Answer should be 39.69 because they all payed 13.23, right? so you add 13.23 together 3 times and get ur answer
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Determine whether the ordered pair (6,5) is a solution to the equation -2x + y = -7
natita [175]

Answer:

i really dont knok but my guess is yes

Step-by-step explanation:

8 0
3 years ago
Find the measure of angle CED in the figure below. Enter only the number.
nikdorinn [45]

Answer:

∠ CED = 58°

Step-by-step explanation:

∠ CED and ∠ AED are adjacent angles and sum to 180° , then

∠ CED + 122° = 180° ( subtract 122° from both sides )

∠ CED = 58°

6 0
2 years ago
Read 2 more answers
Solving inequalities for word problems:
zepelin [54]

For this case we have to:

x: Let the variable representing the unknown number

We algebraically rewrite the given expression:

Twice a number plus 10, is represented as:2x + 10

Three times that number less 4. is represented as:

3x-4

Thus, the complete expression is:

2x + 10> 3x-4

Subtracting 3x from both sides of the inequality:

2x-3x + 10> -4\\-x + 10> -4

Subtracting 10 from both sides of the inequality:

-x> -4-10

Equal signs are added and the same sign is placed:

-x> -14

We multiply by -1 on both sides, taking into account that the sense of inequality changes:

x

The solution is given by all values of "x" less than 14.

Answer:

x

5 0
3 years ago
A triangular section of land is fenced off due to contamination. Two sides of the triangle are each 16 meters ( 16m) longer than
Sphinxa [80]

Answer: the shortest side is 30m

Step-by-step explanation:

Let the shortest side be a meters

If side 2 is 16m longer than the shortest side, then it is (16+a)meters.

The same goes with side 3.

Then,

a + (16+a) + (16+a) = 122m

32 + 3a = 122m

Collecting like terms together,

3a = 122 - 32

3a = 90

Divide by coefficient of a

3a/3 = 90/3

a = 30 meters

Check:

30 + (16+30) + (16+30)

30 + 46 + 46 = 112

8 0
3 years ago
Read 2 more answers
The area of a square patio is 225 square feet. What is the perimeter of the patio
Elanso [62]
STEP 1:
find the length of the sides of the square

AREA FORMULA (for a square)
x= side

A=x^2

225=x^2
take square root of both sides

15 feet= x


STEP 2:
find perimeter

PERIMETER FORMULA (for a square)

x= side of square

P= 4x
use x value from step 1

P= 4(15 ft)
P= 60 feet


ANSWER: The perimeter is 60 feet.

Hope this helps! :)
5 0
3 years ago
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