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3 years ago

47,40,45,38,43,36,41 what comes next in sequence?

Mathematics

1 answer:

Vikentia [17]3 years ago

7 0

Answer:

Step-by-step explanation:

The sequence is -7 then +5

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If x represents the amount Rita earns each week, which expression represents the amount she earns in a year?

Sphinxa [80]

There are 52 weeks in a year, so 52x represents how much she earns in a year.

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3 years ago

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PLS ANSWER THE FOLLOWING QUESTION<br> I WILL MARK AS BRAINLIST

ohaa [14]

Answer:

The answer is 548800

Step-by-step explanation:

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3 years ago

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Please help me with this question, image attached

Goryan [66]

Answer:

$W=(x-6)\ m$

Step-by-step explanation:

we know that

The area of rectangle is equal to

$A=LW$

we have

$A=(x^{2} -11x+30)\ m^2$

$L=(x-5)\ m$

substitute the given values in the formula of area

$(x^{2} -11x+30)=(x-5)W$

Remember that

$x^{2} -11x+30=(x-5)(x-6)$ ----> by completing the square

substitute

$(x-5)(x-6)=(x-5)W$

Simplify

$W=(x-6)\ m$

8 0

4 years ago

The radius of a softball is 3.75 cm, and the radius of a table tennis ball is 2 cm. The volume of the softball is how many times

Natali5045456 [20]

Answer:

The volume of the softball is 6.6 times the volume of the tennis ball

Step-by-step explanation:

we know that

The volume of a sphere is equal to

$V=\frac{4}{3}\pi r^{3}$

step 1

Find the volume of the softball

we have

$r=3.75\ cm$

substitute

$V=\frac{4}{3}(3.14)(3.75)^{3}=220.8\ cm^{3}$

step 2

Find the volume of the tennis ball

we have

$r=2\ cm$

substitute

$V=\frac{4}{3}(3.14)(2)^{3}=33.5\ cm^{3}$

step 3

Divide the volume of the softball by the volume of the tennis ball

$220.8\ cm^{3}/33.5\ cm^{3}=6.6$

therefore

The volume of the softball is 6.6 times the volume of the tennis ball

<em>Alternative Method</em>

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

The scale factor is equal to the ratio of its radius

$\frac{3.75}{2}=1.875$

therefore

The scale factor elevated to the cube is

$1.875^{3}=6.6$

therefore

The volume of the softball is 6.6 times the volume of the tennis ball

5 0

3 years ago

What is the sum of the coefficients in the expression below?<br> 22°y2 + 5x+ y2 - 6xy' +7

schepotkina [342]

Answer:

485y to the power 2 + 5x to the power 2 - 6xy to the power 3 + 7

Step-by-step explanation:

I hope this helps. Also, there's this free app called Quick Math. If you need the steps, you should check there first, and maybe you should try that for other math problems as well.

Good luck and have a great rest of your day.

8 0

3 years ago

47,40,45,38,43,36,41 what comes next in sequence?​

47,40,45,38,43,36,41 what comes next in sequence?