3 years ago

State the property that is demonstrated: 4 + 7 = 7 + 4.

Mathematics

2 answers:

Novosadov [1.4K]3 years ago

7 0

Im pretty sure the answer is c. commutative

Natalka [10]3 years ago

3 0

I believe it is the commutative property. Hope this helps! :)

You might be interested in

Chloe is paid $1,213.15 semimonthly. What is her average monthly net, or take-home, pay?

77julia77 [94]

HI THERE
36390
HOPE THAT HELPS

8 0

3 years ago

Read 2 more answers

What is the domain and range of (-6,3), (-1,2), (0,3), (2,4), (5, -1)

Nat2105 [25]

D͓̽o͓̽m͓̽a͓̽i͓̽n͓̽: {-6 ≥x͓̽≤ 5}

R͓̽a͓̽n͓̽g͓̽e͓̽: {-1 ≥y͓̽≤ 4}

8 0

4 years ago

Read 2 more answers

Evaluate the line integral for x^2yds where c is the top hal fo the circle x62 _y^2 = 9

natulia [17]

Parameterize $C$ by

$\mathbf r(t)=\langle x(t),y(t)\rangle=\langle3\cos t,3\sin t\rangle$

where $0\le t\le\pi$ . Then the line integral is

$\displaystyle\int_Cx^2y\,\mathrm dS=\int_{t=0}^{t=\pi}x(t)^2y(t)\left\|\frac{\mathrm d\mathbf r(t)}{\mathrm dt}\right\|\,\mathrm dt$
$=\displaystyle\int_{t=0}^{t=\pi}(3\cos t)^2(3\sin t)\sqrt{(-3\sin t)^2+(3\cos t)^2}\,\mathrm dt$
$=\displaystyle3^4\int_{t=0}^{t=\pi}\cos^2t\sin t\,\mathrm dt$

Take $u=\cos t$ , then

$=\displaystyle-3^4\int_{u=1}^{u=-1}u^2\,\mathrm du$
$=\displaystyle3^4\int_{u=-1}^{u=1}u^2\,\mathrm du$
$=\displaystyle2\times3^4\int_{u=0}^{u=1}u^2\,\mathrm du$
$=54$

6 0

3 years ago

Jesse needs to wrap the present shown below. How much wrapping paper would he need?

maxonik [38]

6in would be the answer

4 0

3 years ago

Help me please!!!!!!!

Daniel [21]

C.4 is the right answer

6 0

3 years ago