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slavikrds [6]
3 years ago
6

Нєℓρ ρℓz. вяαιиℓιєѕт ωιℓℓ вє gινєи

Mathematics
1 answer:
il63 [147K]3 years ago
7 0
B Multiply each term by - 1
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Write an expression which solves for the radius of an object having the circumference of 30 feet
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circumference=30ft.\\\\circumference=2\pi r\ (r-radius)\\\\2\pi r=30\ \ \ \ /:2\pi\\\\r=\frac{30}{2\pi}\\\\r=\frac{15}{\pi}\ (ft)\\\\\frac{15}{\pi}\approx\frac{15}{3.14}\approx4.78\ (ft)
8 0
3 years ago
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Proofs and congruent triangles ( serious full answers only or 1 star and report )
krok68 [10]

Answer:

<em>There are 5 ways to find if two triangles are congruent.</em>

<em>SSS-</em><em> {Side Side Side Congruence.}</em>

<em>This law of congruence states that if we have two triangles, each with the same measures on each 3 sides it deems the triangles congruent.</em>

<em>SAS- </em><em>{Side Angle Side Congruence.}</em>

<em>This law of congruence states that if we have two triangles, with 2 equal sides and one angle which is common among them; the triangles are congruent.</em>

<em>ASA- </em><em>{Angle Side Angle Congruence.}</em>

<em>This law of congruence states that if we have two triangles, with 2 congruent angle measures and 1 congruent side; the triangles are indeed congruent.</em>

<em>AAS- </em><em>{Angle Angle Side Congruence.}</em>

<em>You may be wondering how this law of congruence differs from the previous one. </em><em> ASA </em><em>refers to any two angles and the included side, whereas </em><em>AAS </em><em>refers to the two corresponding angles and the non-included side.</em>

<em>HL- </em><em>{Hypotenuse Leg Congruence.}</em>

<em>This law of congruence states that if we have two triangles, with a common (congruent) leg and hypotenuse; the triangles are congruent.</em>

<em />

<em>I really hoped this helped, if it didn't leave a comment I am always open to feedback. If it did let me know, brainiest is always appreciated! </em>

<em>Hope you have a great rest of your day.</em>

3 0
1 year ago
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Marc left his house to drive to work. As he heads down his street, his speed increases steadily until he sees the stop sign at t
Anna35 [415]
The third graph is the correct answer :)
7 0
3 years ago
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Please I need the answer for this question
nika2105 [10]

Answer:

I think this is the answer.

Step-by-step explanation:

I think it is C. but I am unsure, because I think it might also be able to be B.. Uh! I am so confused, but C. is my best guess.

3 0
3 years ago
How many milliliters of pure acid must be added to 100 milliliters of a 10% acid solution in order to obtain a 20% acid solution
Nesterboy [21]

Answer:

22.5

Step-by-step explanation:

0.80x=10 divide each side by 0.80

x=12.5 ml-----------------amount of pure acid needed

CK

12.5+10=0.20(100+12.5)=0.20(112.5)

22.5=22.5

Hope this helps

8 0
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