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Scrat [10]
3 years ago
15

Factor the expression

Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0

21 {w}^{7}  + 35 {w}^{3}  \\ 7 {w}^{3} (3 {w}^{4}  + 7)
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How do I solve this using the substitution method for finding anti derivatives?
rewona [7]
A bit blurry, but if I'm making it out correctly, that's

\displaystyle\int t\sqrt{(t^2-9)^3}\,\mathrm dt=\int t(t^2-9)^{3/2}\,\mathrm dt

Set u=t^2-9. Then \mathrm du=2t\,\mathrm dt, or t\,\mathrm dt=\dfrac{\mathrm du}2. The integral is then equivalent to

\displaystyle u^{3/2}\dfrac{\mathrm du}2=\frac12\int u^{3/2}\,\mathrm du
=\dfrac12\dfrac{u^{5/2}}{\frac52}+C
=\dfrac12\times\dfrac25u^{5/2}+C
=\dfrac15u^{5/2}+C
=\dfrac15(t^2-9)^{5/2}+C
6 0
3 years ago
The sum of a four angles of quality is 180 true or false​
ehidna [41]

Answer:

the sum of a four angles of quadrilateral is 180.<u>False</u>

<u>Note</u><u>:</u><u> </u><u>its</u><u> </u><u>3</u><u>6</u><u>0</u><u>°</u>

8 0
3 years ago
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Tell whether the lines for each pair of equations are parallel, perpendicular, or neither
nevsk [136]

Answer: this will help you with this qustion and others involving graphs desmos . com


Step-by-step explanation:


6 0
3 years ago
One angle of a triangle measures 140°. The other two angles are in a ratio of 7:13. What are the measures of those two angles?
nexus9112 [7]
The unknown angles are in a ratio of 7 to 13.

Let 7x represent the smaller measure.Then, 13x represents the larger measure.
7x + 13x + 140 = 180
20x + 140 = 180
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The measures are 14 degree and 26 degrees.
4 0
3 years ago
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raketka [301]

Answer:

1.5 cups of flour

Step-by-step explanation:

this is because if the recipe is ut in half, the ingredients must be as well. 3/2=1.5 simple.

5 0
3 years ago
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