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2 years ago

6

How can I use math to explain why other people's work is right or wrong?

1 answer:

valentinak56 [21]2 years ago

6 0

Answer:

you can use math to explain others wrong by maybe doing calculations

Step-by-step explanation:

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5st + 8s +9t -2st + 7t

Marina CMI [18]

what is this ..........

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2 years ago

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Inverse of m(x)=2x^2-6

romanna [79]

$m(x)=2x^2-6\to y=2x^2-6\ \ \ \ |add\ 6\ to\ both\ sides\\\\2x^2=y+6\ \ \ \ \ |divide\ both\ sides\ by\ 2\\\\x^2=\dfrac{y+6}{2}\ \ \ \ |sqare\ root\ both\ sides\\\\x=\sqrt{\dfrac{y+6}{2}}\\\\Answer:\boxed{m^{-1}(x)=\sqrt{\frac{x+6}{2}}\ for\ x\geq-6}$

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2 years ago

Math question please show work due today last day to submit Assignments or I fail please help

irina [24]

Answer:

$\$128.43$

Step-by-step explanation:

Since the cost for border paper is given in terms of feet and the dimensions of the gym are given in meters, we want to convert them to the same unit. Let's choose to convert feet to meters since that would be only one conversion:

$15\:\mathrm{ft}=4.572\:\mathrm{m}$

Therefore, the cost of border paper is $6.99 pet 15 feet or $6.99 pet 4.572 meters.

Since the gym is rectangular, the gym's perimeter is equal to:

$p=15+27+15+27,\\p=2(15)+2(27)=84\:\mathrm{m}$

Therefore, the cost of the total border paper for the gym is equal to:

$\text{cost}=\frac{84}{4.572}\cdot 6.99\approx \boxed{\$128.43}$

8 0

2 years ago

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Will give brainliest 100 points Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = -m - 3n + 8.

gulaghasi [49]

Answer:

-3m-4n+14 (D)

Step-by-step explanation:

R-S+T=

<em>Substitute the Values given</em>

(11-2m)-(n+5)+(-m-3n+8)=

<em>Open Parenthesis</em>

11-2m-n-5-m-3n+8=

<em>Combine Like Terms</em>

-3m-4n+14

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2 years ago

ArbitrLikvidat [17]

The coordinates are 68276528

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2 years ago