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ASHA 777 [7]
2 years ago
14

The total mass of 25 candy bars is 2 kilograms. What is the mass of each candy bar in grams?

Mathematics
1 answer:
LuckyWell [14K]2 years ago
3 0
The mass of each candy is 80 grams
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En said the value of the expression 72-8^2 +6*3 is 50. What mistake did Ben make? Correct Ben’s mistake and give the value of th
posledela

Given:

72-\frac{8}{2}+6\times3

He does mistake in the order of giving preference.

We should give preference in the order, division, multiplication, addition, subtraction.

But, he gave the first preferrence to the subtraction.

72-8=64

Next, he used division

64/2=32

Next he adds 32 with 8.

So, he gets 50.

But the actual simplification is,

Simplifying we get,

\begin{gathered} 72-\frac{8}{2}+6\times3=72-4+18 \\ =68+18 \\ =86 \end{gathered}

Hence, the correct value of the expression is 86.

7 0
1 year ago
Please help NO LINKS
inn [45]

Answer:

(5,-6)

Step-by-step explanation:

This is where the two lines meet. I hope this helps ◕ ◡ ◕

5 0
3 years ago
Read 2 more answers
2.1 & 2.2 Assessment: Vertex & Standard Form of Quadratic Functions
Brums [2.3K]

~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill

\begin{cases} h=1\\ k=-9 \end{cases}\implies y=a(x-1)^2 - 9\qquad \textit{we also know that} \begin{cases} x=2\\ y=-7 \end{cases} \\\\\\ -7=a(2-1)^2-9\implies 2=a(1)^2\implies 2=a \\\\[-0.35em] ~\dotfill\\\\ ~\hfill {\Large \begin{array}{llll} y=2(x-1)^2 -9 \end{array}} ~\hfill

6 0
1 year ago
(x +y) + Z commutative property of addition
goldenfox [79]

Answer:

Step-by-step explanation:

commutative property of addition :  x + y = y + x

example : 2+3 =5 and 3+2 =5 then 2+3=3+2

associative property of addition

x + y + z = (x + y) + z = x + (y + z)

example: 2+3+4 = (2+3)+4 = 5 + 4 =9

               2+3+4 = 2+(3+4) = 2 + 7 = 9

8 0
3 years ago
The amount of radioactive uranium changes with time. The table below shows the amount of radioactive uranium f(t) left after tim
aniked [119]

Answer:

f(t) = 100(0.25)^t

Step-by-step explanation:

The general exponential function is,

f(t)=ab^t

The points given in the table are,

(0,100),(0.5,50),(1,25)

Putting (0,100),(1,25) in the general equation, we get

\Rightarrow 100=ab^0

\Rightarrow a=100

And

\Rightarrow 25=ab^{1}

\Rightarrow ab=25

Putting the value of a,

\Rightarrow 100b=25

\Rightarrow b=0.25

Now the exponential function becomes,

f(t) = 100(0.25)^t


4 0
3 years ago
Read 2 more answers
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