3 years ago

Lisa wears 10 rings in her hand. Each ring weights 250 grams. Find the

Mathematics

1 answer:

Gnom [1K]3 years ago

7 0

Answer:

2.5 kilograms

Step-by-step explanation:

10 rings times each weight ring(250)=2500

2500 grams to kilograms is 2.5

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(2x-7)-(4x^2+6x-3)+(x^2+4)

masha68 [24]

Answer:

$-3x^2-4x$

Step-by-step explanation:

Simplify:

$\left(2x-7\right)-\left(4x^2+6x-3\right)+\left(x^2+4\right)$

$=2x-7-\left(4x^2+6x-3\right)+x^2+4$

Group same factor:

$=-\left(4x^2+6x-3\right)+x^2+2x-7+4$

Add :

$=-\left(4x^2+6x-3\right)+x^2+2x-3$

Apply the distributive law: -(a+b) = -a - b

$-\left(4x^2+6x-3\right)=-4x^2-6x+3$

$=-4x^2-6x+3+x^2+2x-3$

Group same factor:

$=-4x^2+x^2-6x+2x+3-3$

Subtract:

$=-4x^2+x^2-6x+2x$

Add:

$=-3x^2-6x+2x$

Group same factor:

$=-3x^2-4x$

Hence answer = $-3x^2-4x$

~lenvy~

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2 years ago

Use reasoning to solve for the unknown number. five is the quotient of 100 / some number what is the number 5 is the quotient of

Virty [35]

Answer: 20

Step-by-step explanation: just do 100/5=20 so do 100/20=5 hope this helps!!

5 0

2 years ago

Please answer as soon as possible!!

harkovskaia [24]

Answer:

2.29

Step-by-step explanation:

First determine the square root of 17.8

√17.8 = 4.22

second, determine the value of $1.3^{2.5}$ = 1.93

subtract 1.93 from 4.22

4.22 - 1.93 = 2.29

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3 years ago

HELP ME! Please, I will give brainliest and extra points :) Thank you

Arte-miy333 [17]

Answer:

solution set of f(x) = g(x) is x∈{0,1}

Step-by-step explanation:

For all exponential functions b^x,

b^0 is always 1, and b^1 is always b.

f(x) = -3/4 x + 2

g(x) = (1/4)^x + 1

g(0) = 2, f(0) = 2

g(1) = 5/4, f(1) = 5/4

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3 years ago

I will do anything plss asppp

AlexFokin [52]

Answer:

I think the answer is A

Step-by-step explanation:

Let me know if it is not

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3 years ago