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faltersainse [42]
3 years ago
13

Write 0.7 as a percent (the 7 has a line on top of it) . round to the nearest percent

Mathematics
1 answer:
Bingel [31]3 years ago
5 0
I'm pretty sure the answer is C. 78%. (KEEP READING)
 
Because you move the decimal over to the right two times and get 70 add a percent to the end and get 70%.       _ 
But since it is repeating it would be 77%

So if you are rounding it to the nearest number, to ones, then the answer is C. But if you are rounding to the tens then it would be D.

I personally would put C because you want the "nearest percent". 

HOPE I HELPED!!!
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Solve 4(2x-3)=6x+2<br> I don't understand the steps pls
Marysya12 [62]

Answer: x = 7

Step-by-step explanation:

4(2x-3) = 6x+2   <--distribute the 4

8x - 12 = 6x + 2   <---add 12 to both sides

8x = 6x + 14    <--- subrtract 6x from both sides

2x = 14    <--- divide by two

x = 7

6 0
3 years ago
It is known that 10% of the items produced by a certain machine end up having a flaw. If we select 7 items from the production l
denpristay [2]

Step-by-step explanation:

p = 0.1, q = 0.9, n = 7

a) Use complementary probability.

P(at least 1) = 1 − P(0)

P(at least 1) = 1 − (0.9)⁷

P(at least 1) = 0.522

b) Use binomial probability.

P = nCr pʳ qⁿ⁻ʳ

P(3) = ₇C₃ (0.1)³ (0.9)⁴

P(3) = 0.023

6 0
3 years ago
Use the parabola tool to graph the quadratic function f(x)=(x-5)^2+1
andrey2020 [161]

Answer:

Look to the attached graph

Step-by-step explanation:

* Lets revise how to graph the quadratic function

- Find the vertex of it

- Find the y-intercept

- Find the x-intercept

∵ f(x) = (x - 5)² + 1 ⇒ the completing square form

- The completing square form for any quadratic is

 ( x - h)² + k, where h and k are the coordinate of the vertex point

* Lets compare the two forms

∵ (x - h)² + k = (x - 5)² + 1

∴ h = 5 and k = 1

∴ The vertex of the parabola is (5 , 1)

- To find the x-intercept put f(x) = 0

∵ (x - 5)² + 1 = 0 ⇒ subtract 1 from both sides

∴ (x - 5)² = -1 ⇒ the square can not give -ve number

∴ The parabola does not intersect the x-axis

- To find the y-intercept put x = 0

∵ f(0) = (0 - 5)² + 1 = 25 + 1 = 26

∴ The parabola intersects the y-axis at point (0 , 26)

- The parabola is opened upward because the coefficient of x² is +ve

* Now lets graph it

- Look to the attached graph

5 0
3 years ago
What is the answer?? Please help me
Sergeeva-Olga [200]

Answer:

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<u>k</u><u>=</u><u>9</u><u>+</u><u>4</u>

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<u>¥</u><u>¥</u><u>¥</u><u>¥</u><u>¥</u><u>¥</u>

6 0
2 years ago
What is the solution to the equation?<br> 2/3x=10<br> A. 15<br> B. 30<br> C. 6 2/3<br> D. 6 1/2
Andreyy89
It is A 
<span><span><span>23</span>x</span>=10</span>Step 1: Multiply both sides by 3/2.<span><span><span>(<span>32</span>)</span>*<span>(<span><span>23</span>x</span>)</span></span>=<span><span>(<span>32</span>)</span>*<span>(10)</span></span></span><span>x=<span>15
</span></span>Answer:<span>x=<span>15</span></span>
8 0
3 years ago
Read 2 more answers
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