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Arisa [49]
3 years ago
10

Twice the sum of a number and 3 is 20.

Mathematics
2 answers:
tamaranim1 [39]3 years ago
4 0

Answer:

true

Step-by-step explanation:

Nastasia [14]3 years ago
4 0
This is very true
Lol
Oof
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The circumference of a circle is 16Pi ft.<br><br> The radius is ____ ft.
zloy xaker [14]

Answer:

radius is 8 ft

Step-by-step explanation:

circumference formula is 2pi r

so if the circumference is 16 pi, we divide it by 2 to get 8 pi and divide it by pi to get 8.

8 0
3 years ago
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Write two fractions multiplication expressions that are equivalent to the expression 3/4X2/3
kolbaska11 [484]

Answer:

1st fraction =

2/6*3/2

2nd fraction =

3/6*2/2

Step-by-step explanation:

7 0
2 years ago
PLEASE HELP A store is having a sale on chocolate chips and walnuts. For 5 pounds of chocolate chips and 3 pounds of walnuts, th
Stells [14]

Answer:

Chocolate Chips cost $2.25 and Walnuts cost $3.25 per pound each

Step-by-step explanatChocion:

Let x = cost of pounds of chocolate chip cookies and y = cost of pounds of walnuts.

From the question, we get 5x+3y = 21 and 2x+6y = 24. To solve the equation, we use substitution. From the first equation, we get y = (21-5x)/3. We substitute the y into the second equation to get 2x + 6(21-5x)/3 = 24. This turns out to be 2x+(42-10x) = 24. Adding like terms you should get 42-8x = 24. Solving for x, x = $2.25 per pound. Plugging this into the first equation, we get 5(2.25)+3y = 21. Solving for y, we get $3.25 per pound of walnuts. If we plug in the numbers into the 2 equations, we will get the right total.

3 0
3 years ago
Which describes this angle?
Arisa [49]

Answer:

Your answer would be the first option.

A right angle is 90 degrees

An obtuse angle is more than 90 degrees and that angle is more that 90 degrees

6 0
3 years ago
Pls helppp i have a timer!! <br> (10 points)
Marianna [84]

Answer:

they are both corresponding angles (equal)

48=4x

48/4=x

12=x

6 0
3 years ago
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