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den301095 [7]
3 years ago
8

3/8 of the seventh grade students were taking advanced math at the beginning of the year, but seven dropped out by the end of th

e year. if there were 149 students taking advanced math at the end of the year, how many total 7th grade students are there?
Mathematics
1 answer:
lara [203]3 years ago
3 0

Answer:

416 I believe.

Step-by-step explanation:

add 7 to 149

divide 156 by 3 to get 1/8 of total.

Get 52 and then multiply by 8 to get 416

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Distributive property to remove parantheses -8(-6v+2x-4)
zheka24 [161]

Answer:

48v - 16x + 32

Step-by-step explanation:

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2 years ago
Use the arc length formula and the given information to find r. s = 12 cm, 0 = 360; r = ?
hjlf
use s=r0

but first convert 360 degree to radian
you will get 6.284 radian

then you substitute and get the answer!

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8 0
2 years ago
Cuanto es la respuesta de -126=14k?
N76 [4]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \text{k =   - 9}}}}}

Step-by-step explanation:

\star{ \text{ - 126 = 14k}}

\text{step \: 1 \: : Intercambia los lados de la ecuación}

\hookrightarrow{ \sf{14k =  - 126}}

\text{step \: 2 : Divide ambos lados por 14}

\hookrightarrow{ \sf{ \frac{14k}{14}  =  \frac{ - 126}{14}}}

\text{step \: 3 \:  : Calcular}

\hookrightarrow{ \sf{k =  - 9}}

\text{el valor de k es  - 9}

------------------------------------------------------------

Translation in English:

Step 1 : Swap the sides of the equation

Step 2 : Divide both sides by 14

Step 3 : Calculate

\sf{Hope \: i \: helped ! }

\sf{Best \: regards !!}

~\sf{TheAnimeGirl}

6 0
2 years ago
Read 2 more answers
Which equation is correct
Sergeeva-Olga [200]
1. Two of the main identities used in trigonometry for right triangles (Triangles that have an angle of 90°) are: Sine (Sin) and Cosine (Cos).


 Sin x°=Opposite/Hypotenuse

 Cos x°=Adjacent/Hypotenuse

 2. The inverse of Sinx° is Cosec x°, then:

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 3. The inverse of Cos x° is Sec x°, then:

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 4. Keeping this on mind, you have:

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 5. Therefore, the correct answer is:

 The third option: Cosec x°=Hypotenuse/Opposite.
7 0
3 years ago
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At a toll booth, an attendant found that for every 5 vehicles that passed through the toll, 2 were trucks.
kompoz [17]

Answer:

Step-by-step explanation:

5-2=3

other vehicles:Trucks::3:2

3 0
3 years ago
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