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Goryan [66]
2 years ago
13

The sum of twice a number and 1 is -3, find the number

Mathematics
2 answers:
stellarik [79]2 years ago
8 0

Answer:

-2

Step-by-step explanation:

Andreyy892 years ago
8 0

Answer:

-1

Step-by-step explanation:

-3 +1 =-2

-2/2=-1

Hope this is correct and helps!

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the area of a circle is 60 π sq.cm. find the radius of the radius of the circle to the nearest tenth step-by-step
Svetradugi [14.3K]

Answer:

r = 7.7

Step-by-step explanation:

A = πr²

60π = πr²

r² = 60π/π

r² = 60

\sqrt{r^2} =\sqrt{60}

r = 7.746

Rounded to tenths:

7.7

6 0
3 years ago
What is the answer to -1 5/8 × 2 2/3
Yuri [45]

Answer: -13/3

Step-by-step explanation: -1  5/8  -> -13/8        2  2/3->  8/3

-13/8 x 8/3 = -104/24

                  = -13/3  OR  -4   1/3      

5 0
2 years ago
An estimator is preparing a bid for a home remodeling project. She has determined that the new garage needs 324 feet of 2​ × 10​
Fudgin [204]
Find area of lumber 2 x 10 = 20
garage needs 324 feet, rec room needs 430, bonus room needs 283
324 + 430 + 283 = 1037
1037/20= 51.85 feet of lumber

hope this helps
5 0
3 years ago
Read 2 more answers
If you go out to eat, a good tip is $18 when the bill costs $100. What is this percent?
dlinn [17]

Answer:

This is a good tip and $18 is 18% of what the meal cost.

Step-by-step explanation:

On average the proper tip is 15% of the cost of your meal cost. In this case you have paid 18% of your meal cost.

4 0
3 years ago
Read 2 more answers
F(x)=2x-6 find f(2) please help
vladimir1956 [14]

Answer:

Step-by-step explanation:

Putting value of x = 2 in the equation

F(2) = 2(2) - 6

= 4 - 6

= - 2

7 0
2 years ago
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