What is .99 divide by 6475 rounded to the nearest whole number

Mathematics

1 answer:

rjkz [21]3 years ago

5 0

1, it is one because .99 divided by 6475 is 0.1528, and 0.1528 to nearest whole number is 1.

1 is your answer.

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Abdul and his wife are each starting a saving Plan. Abdul Will initially set aside $50 and then add $50.85 every week to the sav

slamgirl [31]

Answer: $T(n)=126.5n+50$

Explanation: We are adding two linear functions: A the original function describing Abdul's deposits, and B the deposits made by his wife.

$A(n) = 50.85n+50\\B(n)=75.65n\\T(n)=A(n)+B(n) = 50.85n+50 + 75.65n= (50.85+ 75.65)n+50=126.5n+50\\T(n)=126.5n+50$

The resulting function is a larger slope due to the added deposit rate.

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4 years ago

What are the four points of intersection between 4x^2 + y^2 - 4y - 32 = 0 and x^2 - y - 7 = 0 ? Solve algebraically

tensa zangetsu [6.8K]

Remember (a²-b²)=(a-b)(a+b)

solve for a single variable
solve for y in 2nd

add y to both sides
x²-7=y
sub (x²-7) for y in other equaiton

4x²+(x²-7)²-4(x²-7)-32=0
expand
4x²+x⁴-14x²+49-4x²+28-32=0
x⁴-14x²+45=0
factor
(x²-9)(x²-5)=0
(x-3)(x+3)(x-√5)(x+√5)=0
set each to zero

x-3=0
x=3

x+3=0
x=-3

x-√5=0
x=√5

x+√5=0
x=-√5

sub back to find y

(x²-7)=y

for x=3
9-7=2
(3,2)

for x=-3
9-7=2
(-3,2)

for √5
5-7=-2
(√5,-2)

for -√5
5-7=-2
(-√5,-2)

the intersection points are

(3,2)
(-3,2)
(√5,-2)
(-√5,-2)

8 0

4 years ago

Convert the scientific notation into a standard form number, 1.23 x 10-5

marusya05 [52]

Step-by-step explanation:

$a^{-n}=\dfrac{1}{a^n}\\\\\text{therefore}\ 10^{-5}=\dfrac{1}{10^5}=\dfrac{1}{100000}=0.00001\\\\1.23\cdot10^{-5}=1.23\cdot0.00001=0.0000123$