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2 years ago

What is the result when the number 44 is increased by 75%?

Mathematics

2 answers:

ElenaW [278]2 years ago

7 0

Answer:

77.

Step-by-step explanation:

75% of 44

= 3/4 * 44

= 33

33+44

= 77.

finlep [7]2 years ago

5 0

Answer:

Step-by-step explanation:

75% of 44 = 33

33 + 44 = 77

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dolphi86 [110]

8a+4c=101
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Thats the system

3 0

3 years ago

Log(2t+4)=log(14-3t)

barxatty [35]

Answer:

t = 2

Step-by-step explanation:

$2t + 4 = 14 - 3t$

$5t = 10$

$t = 2$

Checking:

$log(2(2) + 4) = log(8)$

$log(14 - 3(2)) = log(8)$

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2 years ago

Can four 60° angles form a unique quadrilateral?

jolli1 [7]

Answer:

Nope

Step-by-step explanation:

No, it is not possible; Possible explanation: Four sides connected at these angles cannot form a closed figure. The sum of the angles in a quadrilateral is 360°. Possible quadrilaterals include a rhombus, a parallelogram, a trapezoid, and an unclassified quadrilateral.

7 0

3 years ago

Evaluate the integral Integral from (5 comma 2 comma 4 )to (7 comma 9 comma negative 3 )y dx plus x dy plus 3 dz by finding para

padilas [110]

$\displaystyle\int_C\vec F\cdot\mathrm d\vec r=\int_{(5,2,4)}^{(7,9,-3)}y\,\mathrm dx+x\,\mathrm dy+3\,\mathrm dz$

Parameterize the line segment (call it $C$ ) by

$\vec r(t)=(1-t)(5\,\vec\imath+2\,\vec\jmath+4\,\vec k)+t(7\,\vec\imath+9\,\vec\jmath-3\,\vec k)$

$\vec r(t)=(2t+5)\,\vec\imath+(7t+2)\,\vec\jmath+(4-7t)\,\vec k$

with $0\le t\le1$ . Then

$\vec r'(t)=2\,\vec\imath+7\,\vec\jmath-7\,\vec k$

and the line integral is

$\displaystyle\int_C\vec F\cdot\mathrm d\vec r=\int_0^1((7t+2)\,\vec\imath+(2t+5)\,\vec\jmath+3\,\vec k)\cdot\vec r'(t)\,\mathrm dt$

$=\displaystyle\int_0^1((2t+5)+2(7t+2)-21)\,\mathrm dt$

$=\displaystyle\int_0^1(28t+18)\,\mathrm dt=\boxed{32}$

Alternatively, if we can show that $\vec F$ is conservative, then we can apply the fundamental theorem of calculus. We need to find $f$ such that $\nabla f=\vec F$ , which requires