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andrew-mc [135]
3 years ago
12

The sum of two numbers makes thirteen and their difference is 7

Mathematics
2 answers:
Anna35 [415]3 years ago
8 0

Answer:

10 and 3

Step-by-step explanation:

10-3=7

10+3=13

nevsk [136]3 years ago
3 0
10-3=7
10+3=13
Hopefully this helps
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ASAP HELP!!
AVprozaik [17]
FIRST SOLUTION!
first number = x
second number = x+2
third number = x+4
fourth number=x+6
fifth number=x+8
sixth number=x+10
seventh number=x+12

add all of those up and combine like terms to get 7x+42=357. Now subtract 42 from both sides to get 7x=315. Next, divide both sides by 7 to get x=45. To get the numbers, plug in 45 for x.

Your numbers should be 45,47,49,51,53,55, and 57.
4 0
3 years ago
Read 2 more answers
Evaluate the given integral by changing to polar coordinates. sin(x2 + y2) dA R , where R is the region in the first quadrant be
koban [17]

Set

\begin{cases}x=r\cos\theta\\y=r\sin\theta\end{cases}\implies\mathrm dA=r\,\mathrm dr\,\mathrm d\theta

The region R is given in polar coordinates by the set

R=\left\{(r,\theta)\mid2\le r\le3,0\le\theta\le\dfrac\pi2\right\}

So we have

\displaystyle\iint_R\sin(x^2+y^2)\,\mathrm dA=\int_0^{\pi/2}\int_2^3r\sin(r^2)\,\mathrm dr\,\mathrm d\theta=\boxed{\frac\pi4(\cos4-\cos9)}

8 0
3 years ago
A halogen-lighting manufacturer packs 64 halogen lamps ink a cube-shaped container. the manufacturer has been asked by his distr
sashaice [31]
If the original container can hold 64 halogen lamps and the new container can hold 8 lamps, then
64/8 = 8
There will 8 smaller containers needed to pack all of the 64 lamps from the original large cubed-shaped container.
7 0
3 years ago
Rectangle JKLM is shown.
ad-work [718]

Answer:

B

Step-by-step explanation:

We can use the Pythagorean theorem to solve this.

(13)^2 = (8)^2+x^2

169 = 64 + x^2

x^2 = 105

x is approximately 10.2, so B

6 0
3 years ago
General admission tickets to the fair cost $3.50 per person ride passes cost an additional $5.50 per person parking costs $6 for
Ghella [55]
5, 3.50+5.50= 9 per person 6 parking so 51-6 for parking = 45 and 45/9= 5
8 0
3 years ago
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