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Kitty [74]
3 years ago
13

X= -2 / Y= -4 / Z= 4 (1.-) 3x + z - y (2.-) 2xz - 3xy + 4 Pls help me!

Mathematics
1 answer:
Sergio [31]3 years ago
4 0

Answer:

1.-3x+z - y

-3(-2)+4-(-4)

6+4+4

=14.

2.-2xz-3xy+4

-2(-2(4))-3(-2(-4))

-2(-8)-3(8)

16-24

= -8.

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Lady_Fox [76]
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3 years ago
What is a possible value of sin(theta) when cos2(theta)=0.21
podryga [215]
We know that

cos²(theta)=0.21
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6 0
3 years ago
What is Add and Simply 7/4 + 5/6 =
Pani-rosa [81]
Simple, first find a common denominator, 24.

So,

7/4*6= 42/24
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5/6*6=30/24

Then just add, 

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5 0
3 years ago
Marie has a small copy of Renny Margaret's famous painting the Schoolmaster her copy has the dimensions of 2 inch by 1.5 in the
Alexandra [31]

Answer:

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2. find the width-  1.5 x 40= 60cm

3. find area (Length x width)-  80 x 60= 4800 square cm

4. find length but in inches-   1in=2.54cm  length=80/2.54 = 31.5 inches

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6 0
3 years ago
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Verizon [17]

Answer:

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Range : All real numbers

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End behavior : Points diagnally to the right

5 0
3 years ago
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