3 years ago

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Mathematics

1 answer:

Rom4ik [11]3 years ago

8 0

Answer:10,950=350x+475y

X=trumpet

Y=trombone

Step-by-step explanation:

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What is the axis of symmetry?

jarptica [38.1K]

Answer:

2 or y=2

Step-by-step explanation:

You can find it by calculating - $\frac{b}{2a}$

- $\frac{-20}{10}$ = 2

The axis of symmetry is 2

3 0

3 years ago

Plzz help steps if possible if not its ok j=i just need to pass this class

hammer [34]

Answer:

$\text{(B) }\cos 40^{\circ}=\frac{x}{60}$

Step-by-step explanation:

In any triangle, the cosine/cos of an angle is equal to its adjacent side divided by the hypotenuse (longest side) of the triangle. (a/h)

The angle marked 40 degrees has an adjacent side of $x$ and the hypotenuse of the triangle is 60.

Therefore, we have the equation:

$\boxed{\cos 40^{\circ}=\frac{x}{60}}$

6 0

3 years ago

X^2 + x - 56 = 0<br> Solve for x

NISA [10]

Answer: x = 7 or x = -8

x² + x - 56 = 0

⇔ x² + 8x - 7x - 56 = 0

⇔ x(x + 8) - 7(x + 8) = 0

⇔ (x - 7)(x + 8) = 0

⇔ x - 7 = 0

or x + 8 = 0

⇔ x = 7 or x = -8

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

F(x)=4x squared −7x+7, Find f(2)

Lana71 [14]

Answer: 9

Step-by-step explanation:

4x²-7x+7 f(2)=4*(2)^2-7(2)+7=16-14+7=9

7 0

2 years ago

Help on # three it’s due in 10 minuets!!

LuckyWell [14K]

16 = 48/3
48 divided by 2 = 24
There is 24 students in the club.

6 0

3 years ago