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kirza4 [7]
3 years ago
11

I am not really sure how to solve these and I really need an explanation..

Mathematics
1 answer:
Murrr4er [49]3 years ago
8 0

Answer:

add 5x +2x and then find value of other numbers

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A circle has a diameter of 14cm. What's the circumfrence?
vesna_86 [32]
I believe that when finding the radius of a circle you half the diameter, but when finding the circumference of a circle you need to multiply the diameter (14cm) by pi.

So 14xpi= 43.98229715

But it can be simplified/ rounded to 44cm.

Of course I might be incorrect so do please correct me if I am wrong.
7 0
3 years ago
Formula of interior and exteiror angle and how much interior + exterior equals to
VLD [36.1K]

Answer:

The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides. The sum of exterior angles of a polygon is 360°. The formula for calculating the size of an exterior angle is: exterior angle of a polygon = 360 ÷ number of sides.Properties of exterior angles.  The sum of exterior angle and interior angle is equal to 180 degrees.

Step-by-step explanation:

I asked Siri...

5 0
2 years ago
Gabrielle is baking large batches of brownies and cookies to share with her friends and family. Among other ingredients, her bro
USPshnik [31]

The system of inequalities can model Gabrielle’s situation is;

x + 2y ≤ 20

x + 2y ≤ 203x + 2y ≤ 21

<h3>Inequality</h3>

It follows from the task content, that the inequalities which can be used to model Gabrielle's situation be determined.

By setting variables as follows;

  • batches of brownies = x
  • batches of cookies = y

Brownie:

Sugar = 1 cup

Eggs = 2

Cookie:

Sugar = 3 cups

Eggs = 2

x + 2y ≤ 20

x + 2y ≤ 203x + 2y ≤ 21

Learn more about inequality:

brainly.com/question/25275758

#SPJ1

5 0
2 years ago
Mason wants to buy some pull toys for his dogs. Each toy costs $3. He knows that 1 toy costs $3, 2 toys cost $6, and 3 toys cost
Ainat [17]
1 toy costs $3  (  $3 x 1 = $3)<span>
2 toys cost $6  ( </span> $3 x 2 = $6)<span>
3 toys cost $9  </span>(  $3 x 3 = $9)
4 toys cost $12 ( $3 x 4 = $12)

answer 4 toys will cost $12
5 0
3 years ago
What is the approximate area of a circle with a radius of 14 centimeters
Nostrana [21]

Answer:

\pi \times r ^{2}  \\ \pi \times 14 \times 14 \\  = 615.75cm ^{2}

6 0
3 years ago
Read 2 more answers
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