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aivan3 [116]
3 years ago
8

An array of 2 rows of 7 dots has a total of 14 dots. it is called a 2 by __ array​

Mathematics
2 answers:
zaharov [31]3 years ago
6 0

Answer:

it is called a 2 by 7 array

max2010maxim [7]3 years ago
3 0

It is called a 2 by 7 array.

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a stack of cards is placed next to a ruler, and the height of stack measured to be 3/4inches. how thick is one card
4vir4ik [10]

Total thickness of the stack of cards = 3/4 inch or 0.75 inch

In a full stack of cards, there are 52 cards.

Hence, the thickness of 52 cards = 0.75 inch.

To find the thickness of one card, we divide the total thickness with the total number of cards.

Thickness of one card = \frac{0.75}{52} = 0.014423 inch

1 inch = 2.54 cm

0.014423 inch is approximately equal to 0.34 cm.

Answer = 0.34 cm

7 0
3 years ago
Roger had a farm with a certain number of orange trees. he had to cut down 5 trees to control the insects. each of the remaining
Oksi-84 [34.3K]
41790/210 = 199
199 + 5 = 204.
3 0
3 years ago
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2) Joanie got paid $111 to babysit three kids for 6 hours. How much was she paid per hour?
Hatshy [7]

Answer:

18.5

Step-by-step explanation:

Since she was paid $111 for 6 hours, you divide 111/6 to get 18.5

6 0
3 years ago
Katie needs to buy food for her pet leopard gecko the cost of the food is $3.79 if katie uses a coupon the costs is reduced to $
LekaFEV [45]
The cost with the coupon is $0.76 less.

3.79 - 3.03
8 0
3 years ago
a circular frame that is 3-inches wide surrounds the mirror what I the combined area in square inches of the circular mirror and
Tcecarenko [31]
Assuming the frame is a perfect circle
and 3 inches wide indicates the diameter


area of a circle=pi times radius^2

diameter=2 times radius
radius=1/2 diameter
diameter=3
radius=1/2 times 3
radius=3/2=1.5

area=pi times 1.5^2=2.25
pi is aprox 3.14 so
2.25 times 3.14=7.065 square inches


the answer is 2.25π square inches or 7.065 square inches

3 0
3 years ago
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