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Inga [223]
3 years ago
11

Can you add 23 and 40 without regrouping

Mathematics
2 answers:
Blizzard [7]3 years ago
7 0
Yes because 0 and 4 dont equal 10 and 20 and 40 dont equal 100. So no and 40 + 23 = 63.
astraxan [27]3 years ago
3 0
Yes because when you add, there's nothing to carry. 23 plus 40 equals 63.
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if mr sulivan drove 7hrs within 385 miles and then he drives 3 hrs in the distance of 165 miles is the amount of time of the two
ehidna [41]

the amount of time of the two trips is a proportional relationship

<h3>What is proportional relationship?</h3>

mathematical expressions are said to be proportional if there unit rate are equal. this means that the expressions will give similar results when similar values are substituted into the equation.

<u>solution:</u>

Driving 7 hrs within 385 miles represents a unit rate of 385 / 7 = 55 miles per hour or 55 mph

while 3 hrs in 165 miles represents a unit rate of 165 / 3 = 55 mph

since both situations gave similar speed in miles per hour they are said to have a proportional relationship.

Read more on proportional relationship here: brainly.com/question/12242745

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6 0
1 year ago
If the circle radius is 27yd, how do I find the circumference without using pi?
lions [1.4K]

Circumference of a circle having radius of 27 yard can be found using the formula, π = 2(Area of Circle)/r, which is C = 169.6 yd

<h3>What is the Circumference of a Circle?</h3>
  • Circumference of a circle is the distance round the circle.
  • Circumference = Perimeter
  • Circumference of a circle without using π = 2(Area of Circle)/r.

Given:

radius of circle = 27 yd

Thus:

Area = πr² = π(27)²

Area = 2,290.2 yd²

Circumference of a circle without using π = 2(2,290.2)/27

= 169.6 yd.

Learn more about Circumference of a Circle on:

brainly.com/question/16703642

5 0
2 years ago
Read 2 more answers
45 is 90% of what number
choli [55]
45 = 90% * x
45 = .90x
45/.90 = x

x = 50

45 is 90% of 50
8 0
3 years ago
Read 2 more answers
Find the value of y.<br> Please help asap. I've been on this for ages.
anastassius [24]

Answer:

53.50

Step-by-step explanation:

168 is the circumference so i divided it by pi (3.14)

5 0
3 years ago
A sandwich shop offers a choice of 4 types of bread, 8 types of meat, and 4 types of cheese. How many different sandwiches could
Fantom [35]

4x8x4=

128

...............

7 0
3 years ago
Read 2 more answers
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