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2 years ago

15

Using the numbers 1,2,3,4,5,6,7,8,9 use four to make it equal 19 you may only use these numbers once! Thank you! Example: 5+3+7+

4= 19

2 answers:

daser333 [38]2 years ago

8 0

8+1+7+3=19 That is one option

irga5000 [103]2 years ago

6 0

9+1+4+5=19
9+2+3+5=19
8+4+2+5=19

Here you go

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Liliana is making a vase with a circular base. She wants the area of the base to be between 135 cm2 and 155 cm2. Which circle co

Umnica [9.8K]

Answer:

(b) Circle C is shown. Line segment A C is a radius with length 7 centimeters.

Step-by-step explanation:

Given

$Minimum\ Area = 135cm^2$

$Maximum\ Area = 155cm^2$

$\pi = 3.14$

Required

Which circle could she use

To do this, we simply calculate the areas of all the given circles

The area of a circle is:

$Area = \pi r^2$

Where

$r = radius$

$a.\ r = 6cm$

The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (6cm)^2$

$Area = 3.14 * 36cm^2$

$Area = 114.04cm^2$

$b.\ r = 7cm$

The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (7cm)^2$

$Area = 3.14 * 49cm^2$

$Area = 153.86cm^2$

<em></em>

$c.\ r = 8cm$

The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (8cm)^2$

$Area = 3.14 * 64cm^2$

$Area = 200.96cm^2$

$d.\ r = 9cm$

The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (9cm)^2$

$Area = 3.14 * 81cm^2$

$Area = 254.34cm^2$

<em>From the calculations above; only the circle in option (b) has an area within the required range of 135 to 155cm^2</em>

6 0

2 years ago

Read 2 more answers

How do I do this and what is the correct answer?

mariarad [96]

B=3

Hope this helps.
Correct me if I’m wrong.

8 0

3 years ago

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28 deliveries in 4 hours how many deliveries are served or hour

Nataly_w [17]

Answer:

7

Step-by-step explanation:

28 divided by 4 is 7

8 0

2 years ago

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(a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she have in 2.0 y? (b) In 2.00

Gemiola [76]

Answer:

A= 75686400

B= 7568640000

C= 75686400000

Step-by-step explanation:

1 day= 1440 min

1 year= 365 days

365 days*1440 min= 525600 min , 1 year= 525600 min

525600 min*2 years= 1051200 min

(in 2 years) 72 beats*1051200 min= 75686400

(in 200 years) 75686400*100= 7568640000

(in 2000 years) 7568640000*10 =75686400000

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2 years ago

I need help with #6<br>.

Vitek1552 [10]

Answer:

5.wy

6.?

7.?

Step-by-step explanation:

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1 year ago