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Elina [12.6K]
3 years ago
12

Can u help me with this one

Mathematics
1 answer:
koban [17]3 years ago
7 0

Answer:

SU = 16

Step-by-step explanation:

SU= 8x

ST = 6x

TU = 4

SU = ST + TU = 6x + 4 = 8x

SU - ST = 8x - 6x = 2x = 4

2x = 4

x = 4/2

x = 2

SU = 8x

SU = 8(2)

SU = 16

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jamie is shopping for sports equipment. he purchases equipment worth 202 bout pays only 168. What is the discount amount?
Anna35 [415]

Answer:

Discount amount = 34

Step-by-step explanation:

Discount amount = 202 - 168 = 34

7 0
2 years ago
On the first day of camp,
PolarNik [594]

Answer:

5/24.

Step-by-step explanation:

2/6 of 5/8 were beginners and girls

= 1/3 * 5/8

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7 0
3 years ago
Someone please help me!!!!​
BARSIC [14]

Answer:  see proof below

<u>Step-by-step explanation:</u>

Use the Double Angle Identity:  cos 2A = 2cos²A - 1

Use the Difference Identity:  cos (A - B) = cosA · cosB + sinA · sinB

Use the Unit Circle to evaluate:  cos (π/2) = 0   &     sin (π/2) = 1

<u>Proof  LHS → RHS</u>

\text{Given:}\qquad \qquad \qquad \qquad 2\cos^2\bigg(\dfrac{\pi}{4}-\dfrac{A}{2}\bigg)-1\\\\\\\text{Double Angle Identity:}\quad \cos2\bigg(\dfrac{\pi}{4}-\dfrac{A}{2}\bigg)\\\\\\\text{Simplify:}\qquad \qquad \qquad \quad \cos\bigg(\dfrac{\pi}{2}-A\bigg)\\\\\\\text{Difference Identity:}\qquad \cos\dfrac{\pi}{2}\cdot \cos A+\sin \dfrac{\pi}{2}\cdot \sin A\\\\\\\text{Unit Circle:}\qquad \qquad \qquad 0\cdot \cos A+1\cdot \sin A\\\\\\\text{Simplify:}\qquad \qquad \qquad \qquad \sin A

LHS = RHS:   sin A = sin A   \checkmark

 

4 0
4 years ago
Read 2 more answers
Find the rate of change.
Anna [14]

Answer:

2

Step-by-step explanation:

Because it goes up 1 and a half and over 1 which equals 2?

7 0
3 years ago
A train in Japan can travel 813.5 miles in five hours find the unit rate in miles per hour
Gemiola [76]

Answer:

162.7

Step-by-step explanation:

To find the unit rate you need to find the miles per hour. Since it travels 813.5 miles in 5 hours to find how many it travels in 1 hour you have to divide by 5. When you multiply 813.5 by 5 you get 162.7. Hope it helps

7 0
3 years ago
Read 2 more answers
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