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raketka [301]
2 years ago
11

WRITE THE SUM OF THE NUMBERS AS THE PRODUCT OF THEIR GCF AND ANOTHER SUM 40+25

Mathematics
1 answer:
Dennis_Churaev [7]2 years ago
4 0
The greatest common factor (GCF) of 40 and 44 is 4.

Explanation:

44  =  4 x 11

40  =  4 x 10

<em>44 + 40  =</em><span>  (4 x 11) plus (4 x10)  =  </span><em>4 times (11+ 10)</em>
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Write the equations included in the same set of related facts as 6x8=48
lisabon 2012 [21]
I think it is 16·3=48
8 0
3 years ago
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the half-life of strontium-90 is approximately 29 years. how much of a 500 g sample of strontium-90 will remain after 58 years​
Yuliya22 [10]

Answer:  125 g

<u>Step-by-step explanation:</u>

A = P_o\cdot e^{kt}\\\\\text{First, use the given information to find k:}\\\\\bullet A=\dfrac{1}{2}P_o\\\\\bullet k = unknown\\\\\bullet t=29\text{ years}\\\\\dfrac{1}{2}P_o=P_o\cdot e^{k(29)}\\\\\\\dfrac{1}{2}=e^{k(29)}\qquad divided\ both\ sides\ by\ P_o\\\\\\ln\bigg(\dfrac{1}{2}\bigg)=ln\bigg(e^{k(29)}\bigg)\qquad applied\ ln\ to\ both\ sides\\\\\\ln\bigg(\dfrac{1}{2}\bigg)=29k\qquad simplified-ln\ and\ e\ cancel\ out\\\\\\\dfrac{ln\bigg(\dfrac{1}{2}\bigg)}{29}=k\qquad divided\ 29\ from\ both\ sides\\\\\\-0.0239=k

\text{Now, use the following in the equation to solve for A:}\\\\\bullet A=unknown\\\bullet P_o=500\\\bullet k=-0.0239\\\bullet t=58\text{ years}\\\\A=500\cdot e^{(-0.0239)(58)}\\\\.\quad=500\cdot e^{-1.386}\\\\.\quad=125

8 0
3 years ago
Water flows into a tank according to the rate F(t)= (t+6)/(1+t), and at the same time empties out at the rate E(t)= (ln(t+2))/(t
e-lub [12.9K]
<span>Water flows into a tank according to the rate F of t equals the quotient of 6 plus t and the quantity 1 plus t , and at the same time empties out at the rate E of t equals the quotient of the natural log of the quantity t plus 2 and the quantity t plus 1 , with both F(t) and E(t) measured in gallons per minute. How much water, to the nearest gallon, is in the tank at time t = 10 minutes</span>
4 0
3 years ago
The area of a circle is 161 in. What is the radius?​
kirill [66]

Answer:

Approximately 7.16 in

Step-by-step explanation:

Hi there!

Area of a circle equation: A=\pi r^2 where r is the radius

Plug in the given area 161 in.²

161=\pi r^2

Divide both sides by π to isolate r²

\frac{161}{\pi} =\frac{\pi r^2}{\pi} \\\frac{161}{\pi} =r^2

Take the square root of both sides to isolate r

=r^2\\\sqrt{\frac{161}{\pi}} =r\\7.16=r

Therefore, the radius of the circle is approximately 7.16 in.

I hope this helps!

7 0
3 years ago
HELPPPP this is 7TH grade math and I don’t understand
hodyreva [135]

Answer:

B.3x+8=66

Step-by-step explanation:

i think ito po Ang answer hehehe

7 0
2 years ago
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