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adoni [48]
4 years ago
14

What is the sign of the product (3)(–3)(–2)(4)?

Mathematics
1 answer:
Ilia_Sergeevich [38]4 years ago
6 0

Answer:

A)

Step-by-step explanation:

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The graph of the equation y=−5x+b goes through the point A(5, −2). Find the value of b.​
TEA [102]

Answer:

23

Step-by-step explanation:

y+2=-5(x-5)

=-5x+25

subtract 2 from the left side and subtract it from the 25

y=-5x+23

7 0
3 years ago
Read 2 more answers
If x=am-an then a equals​
Iteru [2.4K]
ANSWER: a=x/(m-n)

x=a(m-n)
a=x/(m-n)
6 0
3 years ago
Please help me!!!!!​ i need full answer.
salantis [7]

Answer:

see explanation

Step-by-step explanation:

Using the sum/ difference → product formula

cos x - cos y = - 2sin( \frac{x+y}{2})sin (\frac{x-y}{2} )

sin x - sin y = 2cos (\frac{x+y}{2} )sin (\frac{x-y}{2} )

Given

(cosA - cosB)² + (sinA - sinB )²

= [ - 2sin(\frac{A+B}{2})sin(\frac{A-B}{2} ) ]² + [ 2cos(\frac{A+B}{2} )sin(\frac{A-B}{2} ) ]²

= 4sin² (\frac{A+B}{2} )sin² (\frac{A-B}{2} ) + 4cos² (\frac{A+B}{2} )sin² ( \frac{A-B}{2} )

= 4sin² (\frac{A-B}{2} )[ sin² ( \frac{A+B}{2} ) + cos² ( \frac{A+B}{2} ) ← sin²x + cos²x = 1

= 4sin² ( \frac{A-B}{2} ) × 1

= 4sin² ( \frac{A-B}{2} ) = right side ⇒ proven

4 0
3 years ago
How do you solve z= - 2/3a, for a
gogolik [260]
Z = -2/3a
divide by -2/3 on both sides
a = z divided by -2/3
a = -3/2z
6 0
3 years ago
Read 2 more answers
Write an equation that represents the following word problem.
Genrish500 [490]

Answer:

Both would work.

Step-by-step explanation:

If we call Jackie's apples a, then Mark has a - 4 apples. Therefore, together they have a + (a - 4) apples, and we know that they have a total of 12 apples so we can write a + (a - 4) = 12 to represent the situation. On the other hand, if Mark has a apples, then Jackie has a + 4 apples, so we can also write a + (a + 4) = 12 to represent the situation as well. Therefore, both of the equations would work. Hope this helps!

8 0
3 years ago
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