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Westkost [7]
3 years ago
13

I need to find the area. please help

Mathematics
2 answers:
Galina-37 [17]3 years ago
8 0

Answer:

A = 190 inches^2

Step-by-step explanation:

The total area would be area for a rectangle + <em>half</em> the area of a circle:

Area for a rectangle:

A = l x w

A = 12 x 15

A = 180 inches^{2}

Area for half of the circle:

A = \frac{\pi r^{2} }{2}

A = \frac{\pi 2.5^{2} }{2} \\\\= \frac{19.63}{2} \\\\= 9.8 inches^{2}

Total area: Rectangle area + half of the circle area

= 180 + 9.8 = 189.8 = 190 inches^2

rusak2 [61]3 years ago
3 0

Step-by-step explanation:

Find the rectangle area first by using the formula A=length * width then find the semicircle area by using the formula A=pi*r²/2

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Please help this is due soon and I'm struggling!
Len [333]

1)

a. 4

b. 9

c. -7

d. -23

2)

a. F

b. F

c. T

d. F

3)

a. 100 -66 =34

b. 78 x 3 = 234

c. 36 + 24 = 60

d. 4 x 17 x 3 = 204

21)

a. -9 + (-12)

= - 9 - 12

= - 21

b. -17 + (3)

= -17 + 3

= - 14

c. 24 + ( -11 )

= 24 - 11

= 13

d. - 15 + (-10)

= - 15 - 10

= - 25

e. - 63 + ( -42) + 8

= - 63 - 42 + 8

= - 97

f. 101 + ( -11 ) + ( -100 )

= 101 -11 - 100

= - 10

8 0
2 years ago
Read 2 more answers
Perpendicular to y = 2x – 6<br> and passing through (4,3)
ladessa [460]

Answer:

y = - 1/2x + 5

Step-by-step explanation:

y = 2x – 6        slope = 2

Perpendicular line slope = -1/2

for (4 , 3)      y = mx + b       y = 3, x = 4,   m = -1/2

b = y - mx = 3 - (-1/2) x 4 = 5

equation: y = - 1/2x + 5

5 0
3 years ago
I need help this problem pronto
WITCHER [35]
Y= -2/6 +4 theyre decreasing because the slope is negative
7 0
3 years ago
Which best describes the relationship between the successive terms in the sequence shown?
Alex Ar [27]

Given series is 2.4,-4.8,9.6,-19.2

To find whether it has common difference or common ratio let us find few differences and few ratios of consecutive terms.

Common difference of first 2 terms = 2nd term - first term = -4.8-2.4 = -7.2

Common difference of 2nd and 3rd terms = 3rd term - 2nd term = 9.6-(-4.8) = 14.4

Since those common differences are not equal the given series does not have common difference at all.

To check if it has common ratio or not let us find few ratios of consecutive terms.

Common ratio of first 2 terms = \frac{2nd term}{first term} = \frac{-4.8}{2.4} = -2

Common ratio of 2nd and 3rd terms = \frac{3rd term}{2nd term} = \frac{9.6}{-4.8} = -2.0

So, the given series has common ratio as -2.0

7 0
3 years ago
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If a family uses 3 gallons of milk every week, how much milk will this family use in four days?
geniusboy [140]

Answer:

Step-by-step explanation:

3 gallons of milk in 1 week means they use 3 gallons of milk in 7 days.

To find out how much milk they use in 1 day, simply divide 3 gallons by 7.

1 day = 3/7 gallons

Then to find how much they use in 4 days, multiply the amount in 1 day by 4.

4 days = 3/7 x 4 = ? Gallons

6 0
3 years ago
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