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Papessa [141]
3 years ago
14

...........................

Mathematics
1 answer:
enyata [817]3 years ago
3 0

Answer:

The value of r to be out in the given formula is r = 0.048.

Step-by-step explanation:

The rate is given as  4.8%.

Now to put the value of interest in the given formula,

We need the value of r.

r = \frac{r \%}{100}   = \frac{4.8}{100} = 0.048

Hence, the value of r to be out in the given formula is r = 0.048.

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Write an expression for each phrase. 1. Robert mows 10 more yards than twice the number Jim mows.
aniked [119]

Answer:

2x + 10 = x

Step-by-step explanation:

  • Let Jim mows x yards

  • -> Robert mows = 2x + 10 yards

  • According to the given condition:

  • 2x + 10 = x (This is the required expression)

  • 2x - x = -10

  • x = -10
7 0
2 years ago
If the density of the full can is 1.2 g/cc what is the mass ?
Natali5045456 [20]
Mass=Density*Volume
Density=1.1 g/cc
Volume of a cylinder: <span>π*r^2*h
</span>Radius of the top of the can: 3.57
Volume of this can: 480.47
480.47*1.1=528.517
If I'm correct the mass of this can should be 528.517 
4 0
3 years ago
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HELPPPPP!!!!!!!! ASAPPPPPPP!!!!!!!!!!
Grace [21]

Answer:

D: The graph shows a line of best fit because the points are plotted evenly above and below the line.

Step-by-step explanation:

5 0
3 years ago
Write x^2 − 2x − 3 = 0 in the form (x − a)^2 = b, where a and b are integers.
Airida [17]
X²-2x-3 = 0     let's start by grouping the "x"s

(x² - 2x + [?])² - 3 = 0

so, we have a missing fellow there, in order to make the group, a perfect square trinomial, namely to "complete the square", hmmm so the tell-tale fellow is the middle term.

from a perfect square trinomial we know that the middle term is a product of 2 and the "term on the left" and the "term on the right", like 

\bf \begin{array}{cccccllllll}&#10; a^2& + &2 a b&+& b^2\\&#10;\downarrow && &&\downarrow \\&#10; a&& && b\\&#10;&\to &( a +  b)^2&\leftarrow &#10;\end{array}\qquad \qquad \quad &#10;\begin{array}{cccccllllll}&#10; a^2& - &2 a b&+& b^2\\&#10;\downarrow && &&\downarrow \\&#10; a&& && b\\&#10;&\to &( a -  b)^2&\leftarrow &#10;\end{array}

\bf \textit{therefore}\qquad 2(x)(\boxed{?})=\stackrel{middle~term}{2x}\implies \boxed{?}=\cfrac{2x}{2x}\implies \boxed{?}=1

aha!!  so our missing fellow is 1.

now, let's keep in mind that all we're doing is borrowing from our very good friend Mr Zero, 0.  So if we add 1², we also have to subtract 1².

(x² - 2x + 1² - 1²) - 3 = 0

(x² - 2x + 1) -1 -3 =0

(x - 1)² - 4 = 0

(x - 1)² = 4
5 0
3 years ago
I will give brainlest
anastassius [24]
The answer is 6(12+7) because the highest common factor of 72 and 42 is 6. (12•6=72 and 6•7=42)
8 0
3 years ago
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