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My name is Ann [436]
3 years ago
10

Wacky Wizards offers beginner Advanced magic classes. the beginner costs 6 more than half the cost of the advanced class. Last w

eek they taught 7 beginner classes and 11 advanced classes and earned $390. Write a system that represents the cost of the beginner class, b and the cost od advanced class, a
Mathematics
2 answers:
ExtremeBDS [4]3 years ago
7 0

Answer:

if you’re looking for a equation it could be “ 24c + 15 = 687 “Step-by-step explanation:

Vikki [24]3 years ago
6 0

Answer:

47

Step-by-step explanation:

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5. A tree is broken at a height of 5 m from the ground
tensa zangetsu [6.8K]

The original height of the tree is 60 m

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Need help (zoom if necessary)
slamgirl [31]
The answer is 20n + 10 = 90 because the bar seats 10 people so you take 90-10 and you're left with 80. Four seats are at a table so you take 80/4 and you're left with 20. All you need to do now is reverse the order to fit the answer, and since you originally subtracted, you'd add. You could also do 20x4 + 10 and see that it equals 90 to check your answer.
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Select the two binomials that are factors of this trinomial.
const2013 [10]

\huge{ \mathfrak{ \underline{question  : }}}

Select the two binomials that are factors of this trinomial.

x_2 + 8x + 12

\huge{ \mathfrak{  \underline{Answer   : }}}

  • {x}^{2}  + 8x + 12

  • {x }^{2}  + 6x + 2x + 12

  • x (x + 6) + 2(x + 6)

  • (x  + 2)(x + 6)

We got the factors as :

A. \: (x + 6)

and

D. \:  (x + 2)

\#TeeNForeveR

7 0
3 years ago
Help me out with this problem ?​
3241004551 [841]

Answer:

(-4.5, 2.5)

Step-by-step explanation:

The solution for two graphed linear equations is the intersection (The point where two lines meet or cross).

4 0
3 years ago
Which expression is equivalent to n2 + 26n + 88 for all values of n?
Lelechka [254]

Answer:

Option B is correct.

The expression which is equivalent to  n^2+26n+88  is; (n+22)(n+4)

Explanation:

Given the equation: n^2+26n+88 for all values of n.

The quadratic equation in this form; ax^2+bx+c =0

First find two numbers that multiply to give ac and add to give b.

From the given equation;

a =1 , b = 26 and c =88

then,

the two number that multiply to give ac =88 is, 22 or 4

and they add up to give b=26 (i.e 22+4)

Now, rewrite the middle term i.e 26n with 22n and 4n , we have

n^2+22n+4n+88=0

Now, factor the first two terms and last two terms,

n(n+22)+4(n+22)

we see that (n+22) is common to both terms so, we have;

(n+22)(n+4)

Therefore, the expression (n+22)(n+4) is equivalent to  n^2+26n+88

Check:

(n+4)(n+22) = n\cdot n+ 22n+4n+88=n^2+26n+88   [ True]



5 0
3 years ago
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