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givi [52]
3 years ago
14

What’s the answer to this if u know tho! Thank uuu :)))

Mathematics
2 answers:
alukav5142 [94]3 years ago
6 0

Answer:

180=40+(x+20)

x+20=140

x=120

wel3 years ago
5 0

Answer:

x = 120

Step-by-step explanation:

40 and x + 20 are adjacent angles and are supplementary , then

40 + x + 20 = 180

x + 60 = 180 ( subtract 60 from both sides )

x = 120

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HELP ASAP TEST IS OMOST OVER!!!!!!!!!!
svet-max [94.6K]

Answer: C)46 ft

Step-by-step explanation:

We know that the circumference of a circle can be calculated with this formula:

C=2\pi r

Where "r" is the radius of the circle.

Since John is putting a fence around his garden that is shaped like a half circle and a rectangle, then we can find how much fencing he needs by making this addition:

Fencing=\frac{2\pi r}{2}+2l+w

Where "l" is the lenght of the rectangle and "w" is the width of the rectangle.

Since we know that the radius of the circle is half its diameter, we can find "r". This is:

r=\frac{7ft}{2}=3.5ft

Then, substituting values (and using \pi=\frac{22}{7}), we get:

Fencing=\frac{2(\frac{22}{7})(3.5ft)}{2}+2(14ft)+7ft=46ft

4 0
3 years ago
Read 2 more answers
Hhelp me pleaseeeeee
svetlana [45]

A. Area = ½b × h

= ½ × 16 × 9

= 72

B. Area = b × h

= 26 × 18

= 468

C. Area = a²

= 11²

= 121

D. Area = ½(a+b) × h

= ½(6+21) × 8

= 108


Hope this helps :)

Please consider marking my answer the brainliest!

4 0
3 years ago
A jar of natural peanut butter normally cost $4.00. Today its on sale for $3.60. What is the percentage of the discount
mafiozo [28]

Answer:

Ambitious

Answer

Find out the what is the percentage of this discount .

To prove

Formula

Discount = Marked price - selling price

As given

a jar of natural peanut butter normally costs $4.00 .

it's on sale for $3.60 .

thus

Marked price = $4.00

selling price = $3.60

put in the above formula

Discount = 4.00 - 3.60

              = 0.4

Formula

put the value

Discount percentage = 10%

Option (a) is correct .

Hence proved

8 0
3 years ago
Amanda canoed 15 3/4 miles in 3 hours. What was her average rate of speed in miles per hour?
MaRussiya [10]
Answer:
5 1/4 miles per hour.

Explanation:

We first convert 15 3/4 to 15.75.

miles/hour

15.75/3 =5.25 miles per hour

5.25= 5 1/4
7 0
2 years ago
Find the circumference of the circle below!
Alchen [17]

Answer: 113.1in

The formula of finding the circumference is 2πr.

That being said, the radius is 18in.

Pi (π) is 3.14.

With all of that being said, we can multiply now.

2 × 3.14 × 18 = 113.09734 = 113.1

Hence 113.1 is the answer.

4 0
3 years ago
Read 2 more answers
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