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3 years ago

Can someone please answer this question please answer it correctly and please show work please help me I need it

Mathematics

2 answers:

lara [203]3 years ago

7 0

Step-by-step explanation:

First let's find equivalent fractions:

$\frac{5}{3} \times \frac{2}{2} = \frac{10}{6}$

Now we will add the new fractions:

10/6 + (-7/6)

10/6 - 7/6

• 10 - 7 = 3

• keep the denominators

The new fraction is 3/6

(or 1/2)

Vladimir79 [104]3 years ago

4 0

Answer:

The other girl answered better lol

Step-by-step explanation:

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The sales tax for an item was $36.80 and it cost $460 before tax.

katen-ka-za [31]

Answer:

16,928

Step-by-step explanation:

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3 years ago

5,873

Tresset [83]

Answer:

1)5873 x 4=23492

2)5000 x 4=20000

3)800 x 4=3200

4)70 x 4=280

5)3 x 4=12

Step-by-step explanation:

4 0

2 years ago

Unsure how to do this calculus, the book isn't explaining it well. Thanks

krok68 [10]

One way to capture the domain of integration is with the set

$D = \left\{(x,y) \mid 0 \le x \le 1 \text{ and } -x \le y \le 0\right\}$

Then we can write the double integral as the iterated integral

$\displaystyle \iint_D \cos(y+x) \, dA = \int_0^1 \int_{-x}^0 \cos(y+x) \, dy \, dx$

Compute the integral with respect to $y$ .

$\displaystyle \int_{-x}^0 \cos(y+x) \, dy = \sin(y+x)\bigg|_{y=-x}^{y=0} = \sin(0+x) - \sin(-x+x) = \sin(x)$

Compute the remaining integral.

$\displaystyle \int_0^1 \sin(x) \, dx = -\cos(x) \bigg|_{x=0}^{x=1} = -\cos(1) + \cos(0) = \boxed{1 - \cos(1)}$

We could also swap the order of integration variables by writing

$D = \left\{(x,y) \mid -1 \le y \le 0 \text{ and } -y \le x \le 1\right\}$

and

$\displaystyle \iint_D \cos(y+x) \, dA = \int_{-1}^0 \int_{-y}^1 \cos(y+x) \, dx\, dy$

and this would have led to the same result.

$\displaystyle \int_{-y}^1 \cos(y+x) \, dx = \sin(y+x)\bigg|_{x=-y}^{x=1} = \sin(y+1) - \sin(y-y) = \sin(y+1)$

$\displaystyle \int_{-1}^0 \sin(y+1) \, dy = -\cos(y+1)\bigg|_{y=-1}^{y=0} = -\cos(0+1) + \cos(-1+1) = 1 - \cos(1)$

7 0

1 year ago

Si 2x + y = 7, ¿cuál es el valor de y<br> cuando x = 3?

Gala2k [10]

Answer:

y= 1

Step-by-step explanation:

primero tienes que subtituir 3 en la x 2×3+y=7

6+y=7

-6. -6

y=1

7 0

3 years ago

WILL GIVE BRAINLIST

Otrada [13]

Answer:

I think it will be combined and simplified

5 0

3 years ago

Read 2 more answers