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Oksanka [162]
2 years ago
14

Simplify this to create an equivalent expression please. {-4(z+3)-4(5-4z)}

Mathematics
1 answer:
Ierofanga [76]2 years ago
8 0

Answer:

C

Step-by-step explanation:

-4(z+3) - 4(5-4z)

= -4z -12 - 20 + 16z

= 12z -32

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Please help me asap​
Vika [28.1K]

Answer:

8 1/3 and 2/7

Step-by-step explanation:

7 0
2 years ago
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Part I: Domain and Range-identify the domain and range of each graph. Problem / Work Answe 2+ 6+ 2+ 1. Week 15 Homework Packet p
vampirchik [111]

Domain is the set of input values,

In the graph x axis show the domain

Where the x values is lies at -2,-1,0,1,2

Sothe domain will be :

\text{Domain =-2}\leq x\leq2

Range is the set of output values,

In the graph the value of function at y axis is : 0,2,4,6,8-2,-4.....

So, the range will be :

\text{Range = -}\infty\leq y\leq\infty

6 0
11 months ago
Let r3 have the euclidean inner product. let u = (-1, 1, 1) and v = (-7, 6, 15). if ||ku + v||= 7, what is k? give the exact ans
amm1812
Mak\mathbf u+\mathbf v=k(-1,1,1)+(-7,6,15)=(-k-7,k+6,k+15)

Recall that for a vector \mathbf x\in\mathbb R^n, we have \|\mathbf x\|=\sqrt{\mathbf x\cdot\mathbf x}. So we have

\|k\mathbf u+\mathbf v\|=\sqrt{(k\mathbf u+\mathbf v)(k\mathbf u+\mathbf v)}=7
\implies k^2\mathbf u\cdot\mathbf u+2k\mathbf u\cdot\mathbf v+\mathbf v\cdot\mathbf v=49
\implies3k^2+56k+261=0
\implies k=-9,-\dfrac{29}3
3 0
2 years ago
Pleaseee Help URGENTTTT
Marizza181 [45]

Answer:

correct answer is b

Step-by-step explanation:

7 0
2 years ago
What is 3k^2(-2k^2-4k+7)?
kherson [118]
The answer is B., based on the distributive property (multiply coeffictients, add exponents, change signs because of the negative number being multiplied)
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2 years ago
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