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lianna [129]
2 years ago
7

7d-12+2d+3=18 solve variable. include steps, also check your answer!

Mathematics
1 answer:
Zinaida [17]2 years ago
8 0

this is the answer

i have checked this answer thrice

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IRINA_888 [86]

Answer:24 red 48 yellow and 24 white.

Step-by-step explanation:

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3 years ago
Please Help me solve this (Who ever answers correctly will get brainlest)
erastovalidia [21]

Answer:

$38.50

Step-by-step explanation:

We are told the cost of the fabric per meter, so we first need to convert 250 cm into meters.

1 meter = 100 cm

Therefore, 250 cm = 250 ÷ 100 = 2.5 meters

cost of fabric = $15.40 per meter

To calculate the total cost, mulitply the length in meters by 15.40:

2.5 x 15.40 = 38.50

7 0
2 years ago
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Kena calculates that she spends 15% of a school day in science class. If she spends 75 minutes in science class, how many minute
ankoles [38]

Answer:

Step-by-step explanation:

5 0
2 years ago
What’s the name of these mathematical symbols:
Alex

Answer:

he first is a numerical sentence and the second is an equation

Step-by-step explanation:

equation because there's "="

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3 years ago
Quadrilateral EFGH with diagonals EG and HF must be a parallelogram if (1) EF FG  and GH HE  (2) EG FH  (3) EG FH  (4) EF HG
qwelly [4]

Answer:

EF = HG and EF || HG

Step-by-step explanation:

A quadrilateral is a polygon shape with four sides and four angles.

A parallelogram is a quadrilateral with two pairs of parallel sides. The following are properties of a parallelogram:

  1. Opposite sides are equal and parallel.
  2. Opposite angles are equal to each other.
  3. Consecutive angles are supplementary
  4. The diagonals of a parallelogram bisect each other.

If Quadrilateral EFGH with diagonals EG and HF is a parallelogram then EF = HG and EF || HG

5 0
3 years ago
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