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zepelin [54]
4 years ago
10

What is a multiplication story for (5×$2)+(6×$3)-$12=$16

Mathematics
1 answer:
Fiesta28 [93]4 years ago
5 0
On Monday, Alex had $2 in his allowance. His mom gave him 5 times that amount. On Wednesday, his little brother had $3 and his mom gave him 6 times the amount he has. Him and his brother wants to combine the money together and later that day, they spent $12 on candy.
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Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides of this t
PSYCHO15rus [73]
The other sides are 12cm and 5cm. This is a Pythagorean triple. It is useful to know them!!! 




Brainliest Answer plz!
8 0
3 years ago
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ABCD is a quadrilateral. Three of the angles of ABCD measure 100°, 87, and 106°, respectively. Find the measure of the
ladessa [460]

Answer:

A

Step-by-step explanation:

The angles in a quadrilateral add up to 360 degrees.

100 + 87 + 106= 293

360 - 293 = 67

8 0
3 years ago
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Surface integrals using an explicit description. Evaluate the surface integral \iint_{S}^{}f(x,y,z)dS using an explicit represen
Jobisdone [24]

Parameterize S by the vector function

\vec r(x,y)=x\,\vec\imath+y\,\vec\jmath+f(x,y)\,\vec k

so that the normal vector to S is given by

\dfrac{\partial\vec r}{\partial x}\times\dfrac{\partial\vec r}{\partial y}=\left(\vec\imath+\dfrac{\partial f}{\partial x}\,\vec k\right)\times\left(\vec\jmath+\dfrac{\partial f}{\partial y}\,\vec k\right)=-\dfrac{\partial f}{\partial x}\vec\imath-\dfrac{\partial f}{\partial y}\vec\jmath+\vec k

with magnitude

\left\|\dfrac{\partial\vec r}{\partial x}\times\dfrac{\partial\vec r}{\partial y}\right\|=\sqrt{\left(\dfrac{\partial f}{\partial x}\right)^2+\left(\dfrac{\partial f}{\partial y}\right)^2+1}

In this case, the normal vector is

\dfrac{\partial\vec r}{\partial x}\times\dfrac{\partial\vec r}{\partial y}=-\dfrac{\partial(8-x-2y)}{\partial x}\,\vec\imath-\dfrac{\partial(8-x-2y)}{\partial y}\,\vec\jmath+\vec k=\vec\imath+2\,\vec\jmath+\vec k

with magnitude \sqrt{1^2+2^2+1^2}=\sqrt6. The integral of f(x,y,z)=e^z over S is then

\displaystyle\iint_Se^z\,\mathrm d\Sigma=\sqrt6\iint_Te^{8-x-2y}\,\mathrm dy\,\mathrm dx

where T is the region in the x,y plane over which S is defined. In this case, it's the triangle in the plane z=0 which we can capture with 0\le x\le8 and 0\le y\le\frac{8-x}2, so that we have

\displaystyle\sqrt6\iint_Te^{8-x-2y}\,\mathrm dx\,\mathrm dy=\sqrt6\int_0^8\int_0^{(8-x)/2}e^{8-x-2y}\,\mathrm dy\,\mathrm dx=\boxed{\sqrt{\frac32}(e^8-9)}

5 0
3 years ago
What is 20 lbs 4 oz divided by 6?
Svetradugi [14.3K]

Answer:

54 oz. OR 3 3/8 lbs.

Step-by-step explanation:

1) Convert pounds to ounces. There are 16 ounces in a pound. 20 * 16 = 320.

2) Add the remaining 4 ounces. 320 + 4 = 324.

3) Divide 324 by 6. 324/6 = 54.

Final answer: 54 ounces.

NOTE: If you want the answer in pounds, divide 54 by 16. 54/16 = 3 3/8

Final answer b: 3 3/8 pounds

7 0
3 years ago
Read 2 more answers
PLEASE HELP ME WITH THIS QUESTION AND ILL BRAINLIEST YOU
neonofarm [45]

Answer:

c

Step-by-step explanation:

Two sum of any two side lengths of a triangle will always be greater than the length of the remaining side

a doesn't work because 8+12=20 and 20 is not greater than 20

b doesn't work because 4+5=9 and 9<10

d doesn't work because 6+6=12 and 12 is not greater than 12

c is the only option where you can take any two sides, add them, and the sum will be greater than the remaining side.

For example, for c,

6+8=14, and 14>10

8+10=18, and 18>6

10+6=16, and 16>8

7 0
3 years ago
Read 2 more answers
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