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seropon [69]
4 years ago
8

Twice x, plus 7, is the same as – 10. The answer is N

Mathematics
1 answer:
sergij07 [2.7K]4 years ago
3 0

Answer:

x=-8.5.

Step-by-step explanation:

First, write an equation. Twice x (2x) plus 7 (+7) is the same as (=) negative ten (-10), or 2x+7=-10. To solve, first subtract 7 from both sides to get 2x=-17. Then, divide both sides by 2 (x=-8.5).

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The circumference of the hub cap of a tire is 82.14 centimeters. Find the area of this hub cap. Use 3.14 for pi
earnstyle [38]

Answer:

Circumference = 2 * radius * 3.14

82.14 = 2*3.14 r

r= 82.14/6.28=13.079 cm.

So the area = 3.14 r^2

3.14*13.079^2

537.129 cm ^2

Hope this helps :)

Step-by-step explanation:

7 0
3 years ago
The expression 8x+2 factored using GFC is
NeX [460]

Answer:

2(4x+1)

Step-by-step explanation:

We can factor out 2 in both parts to get that.

5 0
4 years ago
The region r is enclosed by the curves y=4-4x2 and y=0
Misha Larkins [42]

The region r is enclosed by the curves y₁ = 4 - 4x² and y₂ = 0 is 16/3 or 5.333 square units.

<h3>What is an area bounded by the curve?</h3>

When the two curves intersect then they bound the region is known as the area bounded by the curve.

The region r is enclosed by the curves y₁ = 4 - 4x² and y₂ = 0

The intersection points will be

       y₁ = y₂

4 - 4x² = 0

        x = ±1

Then the area bounded by the curves will be

\rm Area = \int _{-1}^1 (y_1-  y_2) dx\\\\Area = \int _{-1}^1 (4 - 4x^2) dx\\\\Area = \left [ 4x  - \dfrac{4x^3}{3} \right ]_{-1}^1\\\\Area = 4 \left ( 1 + 1 \right ) - \dfrac{4}{3} \left ( 1^3 - (-1)^3 \right )\\\\Area = 8 - \dfrac{8}{3}\\\\Area = \dfrac{16}{3} = 5.333 \

More about the area bounded by the curve link is given below.

brainly.com/question/24563834

#SPJ4

6 0
2 years ago
Write 93/50 as a percentage.
elena55 [62]
Answer: 186%

To get this simply divide 93 into 50 (you will get 1.86 which you can convert to the percentage 186%). An even easier way is to multiply 93 by two (186) since 50% times 2 is 100%. Hope this helps!
4 0
3 years ago
A bag of 8 apples costs $2.28. What is the cost of one apple (Show Work)
ASHA 777 [7]

Answer:each apple is between 28 and 29 cents


Step-by-step explanation:

Divide 2.28 by 8 apples

6 0
3 years ago
Read 2 more answers
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