3 years ago

A

Mathematics

1 answer:

Artyom0805 [142]3 years ago

3 0

$6.60 because 6.00 + 0.60 = 6.60

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Add the polynomials. (7y^2+2y-9)+(-3y^2-y) = ?

Vikki [24]

$(7 y^{2} + 2y - 9) + (-3 y^{2} -y) \\ 
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= 4y^{2} + y - 9$

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3 years ago

X/13 - 1 = 5x/2 + 1/2 please answer the question pls pls pls pls

Morgarella [4.7K]

$\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}$

the given expression can be solved as follows ~

$\frac{x}{13} - 1 = \frac{5x}{2} + \frac{1}{2} \\$

taking LCM both the sides ,

$\frac{x - 13}{13} = \frac{5x + 1}{2} \\$

on cross multiplying ,

$(x - 13)2 = (5x + 1)13 \\ \\ \implies \: 2x - 26 = 65x + 13$

let's now gather the like terms at either sides of the equation ~

$65x - 2x = - 26 - 13 \\ \\ \implies \: 63x = - 39 \\ \\ \implies \: x = \frac{\cancel{ - 39}}{\cancel{63}}$

on simplifying the equation ,

$\implies \frac{-13}{21}\\$

hope helpful ~

8 0

2 years ago

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PLEASEE HELP ME I DONT KNOW HOW TO DO THIS !!

larisa [96]

G(h(0)) = 20

h(x) = x+4
h(0) = 0+4
h(0) = 4

g(x) = 5x
g(h(0)) = g(4) = 5(4) = 20

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3 years ago

What percent of 180 is 45? A. 4.5% B. 18% C. 22% D. 25%

Ber [7]

Answer:

D. 25%

Step-by-step explanation:

45/180=0.25

0.25 into a percent is 25%

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statuscvo [17]

I think AB is 3!!

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3 years ago

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