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ValentinkaMS [17]
3 years ago
5

Question 8 , i dont get it

Mathematics
1 answer:
shepuryov [24]3 years ago
5 0

Step-by-step explanation:

p=multiply 67×10^5=6700000

Q=multiply 1.55×10^-2=0.0155

(3×0.0155)÷6700000/ (1÷2)

=0.0465/ 2,588

= 0.0000179~0might be standard form

PLZ MARK MY ANSWER BRANLIEST

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A store in Minnesota advertises that on a holiday, everything is 20% off. A person buys shoes for $40 and socks for $10. In Minn
posledela

The final price is $ 40

<em><u>Solution:</u></em>

A store in Minnesota advertises that on a holiday, everything is 20% off

Discount = 20 %

A person buys shoes for $40 and socks for $10

<em><u>Therefore, Total price before discount is given as:</u></em>

Total price = 40 + 10 = 50

Therefore,

Total price before discount = $ 50

Discount = 20 %

Therefore, discount price is 20 % of 50

Discount\ price = 20 \% \times 50\\\\Discount\ price = \frac{20}{100} \times 50\\\\Discount\ price = 10

Thus the discount price is $ 10

<em><u>Final price is given as:</u></em>

Final price = Total price before discount - discount price

Final price = 50 - 10 = 40

Thus the final price is $ 40

3 0
3 years ago
Evaluate the following expression when x = 6 and y = 2:
Liula [17]

Answer:

11/2

Step-by-step explanation:

\frac{ {x}^{2} +  {y}^{3}  }{2 + x}  \\

when,

x = 6 \\ y = 2

Now substitute the value we get,

\frac{ {6}^{2}  +  {2}^{3} }{2 + 6} \\  \\  =  \frac{36 + 8}{8}   \\  \\  =  \frac{44}{8} \\  \\  =  \frac{11}{2}

5 0
3 years ago
I’ll give points + brainalist for the correct answer (:
ludmilkaskok [199]

JENNA

C: is my answer cuz equivakient are the same in fraction..

Step-by-step explanation:

Is this correct let me know!!

8 0
3 years ago
The function f(x) = x3 – 8x2 + x + 42 has zeros located at 7, –2, 3. Verify the zeros of f(x) and explain how you verified them.
Ksenya-84 [330]

Answer:

Step-by-step explanation:

At first you need to turn roots into factors and then multiply the

then you have

f(x) = a(x + 2)(x -5)^2

f(x) = a(x + 2)(x^2 - 10x + 25)

f(x) = a(x^3 - 8x^2 + 5x + 50)

You can use either synthetical or the factor

theorem

f(-2) = a(-8 - 8(4) + 5(-2) + 50) = a(0) = 0.. check, f

=-2

€(5) = a(125 - 8(25) + 5(5) + 50) = a(0) = 0 check, f

= 5 works

Then divide it to the the second multi

And you should get x^2 - 3x - 10 = (x - 5)(x + 2),

where the other two zeros are X =5 , and x=-2

8 0
2 years ago
Brian and Christina started keeping track of their workouts. Brian did 85 sit-ups the first week and 90 sit-ups each week after
IrinaK [193]

Brian-90×5+85=535

Christina-90×5+65=515

So after 5 weeks Brian will do 535 push ups and Christina will have done 515.

6 0
3 years ago
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