1 year ago

Is (-8, -10) a solution to this system of equations?

Mathematics

1 answer:

Dmitrij [34]1 year ago

8 0

Answer:

No is something worng

Step-by-step explanation:

y= 9/8 * x - 1

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Prove the identity with steps.

Sav [38]

Remember that a double angle formula for cosine is
$\cos(2x)=\cos^{2}x-\sin^{2}x$

So
$\cos^{2}(2x)-\sin^{2}(2x)=\cos(4x)$
$\rightarrow \cos^{2}(2x)-\sin^{2}(2x)=\cos(2*2x)$
$\rightarrow \cos^{2}(2x)-\sin^{2}(2x)=\cos^{2}(2x)-\sin^{2}(2x)$

4 0

2 years ago

Solve please! You have to just find the value of x using the angle .

maksim [4K]

Answer:

x=55°

Step-by-step explanation:

x=90-35

x=55°

(because its x+35=90°)

6 0

2 years ago

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If 1 yard = 3 feet and 1 mile = 5,280 feet, how many yards are there in 1miles?

slavikrds [6]

1 yard = 3 feet

1 mile = 5,280 feet

So, 1 mile = 5,280/3 yards = 1760 yards

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2 years ago

What is the value of p? A) 55 B) 45 C) 35 D) 125

Margarita [4]

Answer:

Step-by-step explanation:

just subtract 125 and 99

7 0

2 years ago

Solve for m: 8(m + 2) = 3(12 - 4m)

Tema [17]

Answer:

m=1

Step-by-step explanation:

step 1: 8(m + 2) = 3(12 - 4m) remove the parentheses

step 2: 8 m + 2 = 3 12 - 4m move the terms

step 3: 8m+ 12m= 36 - 16 collect like terms and calulate

step 4: 20m=20 divide both sides

solution: m=1

3 0

2 years ago

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