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erik [133]
3 years ago
15

3z2 - 2z + 8 - (10z2 +7z - 12)

Mathematics
1 answer:
klemol [59]3 years ago
4 0

Answer: 7z²-9z+20

Step-by-step explanation:

PEMDAS - Please Excuse My Dear Aunt Sally - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

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4x^2 + 9xy − y^2 = 8<br> implicit differentiation
Alexus [3.1K]
4x^2 + 9xy - y^2 = 8
8x + 9xf'(x) + 9y - 2yf'(x) = 0
f'(x) (2y - 9x) = 8x + 9y
f'(x) = (8x + 9y)/(2y - 9x)
3 0
3 years ago
A set of numbers is shown below:
bonufazy [111]
You can go through the set and test each one out:
x=0:
2(0)+3 ≥ 7?     Or 3≥7? No

x=0.6:
2(0.6)+3≥7?     4.2≥7? No.

x=2:
2(2)+3≥7?     7≥7? Yes.

x=4:
2(4)+3≥7?     11≥7? Yes.

x=6:
2(6)+3≥7?     15≥7? Yes.

The set is {2, 4, 6}.
8 0
3 years ago
Triangle E G F is cut by line H J. Line H J goes from side E G through side G F. Lines E F and H J are parallel. Using the side-
goldenfox [79]

Answer:

GJ

Step-by-step explanation:

The "Side Splitter" Theorem says that if a line intersects two sides of a triangle and is parallel to the third side of the triangle, it divides those two sides proportionally.

In this case, lines EF and HJ are parallel, H is on side EG and J is on side GF; then using the side-splitter theorem:

\frac{GH}{HE} = \frac{GJ}{JF}

3 0
3 years ago
Read 2 more answers
kevin was a product tester at texas instruments. he was dropping calculators from a height of 5 feet on to a concrete surface. h
Shtirlitz [24]

Answer:

80%

Step-by-step explanation:

1 in 5 breaks

1/5 is 20%

100%-20%=80%

Please mark as brainliest

4 0
3 years ago
What’s the correct answer for this question?
Katena32 [7]

Answer:

C.

Step-by-step explanation:

It is the complement of the circle in the square

Okay,

Let the square be Universal set(U) and the circle be A

So

A complement = A' = U-A So

The shaded area is the complement of the circle

4 0
3 years ago
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