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frosja888 [35]
3 years ago
9

How many terms are in this expression? 5 -x2 + 4y - 3x + 4z

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0

Answer: −x2−3x+4y+4z+5

Step-by-step explanation:  terms are (positive or negative), a single variable ( a letter ), several variables multiplied but never added or subtracted.

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The temperature in degrees Celsius can be expressed by the function C(f)=59(f−32) where f is the temperature in degrees Fahrenhe
Vlad [161]
C(f) = 5/9(f - 32).....f = 39

C(39) = 5/9(39 - 32)
C(39) = 5/9(7)
C(39) = 35/9
C(39) = 3 8/9......rounds to 4
6 0
3 years ago
A battery with a voltage of 3 V provides a voltage of 0.56 C to some circuits. Calculate the electrical power provided by this b
Assoli18 [71]

Answer:

The power is 1.68 W.

Step-by-step explanation:

Voltage, V = 3 V

charge, q = 0.56 C

time, t = 1 s

The power is given by

P = V q/t

P = 3 x 0.56 / 1

P = 1.68 W

6 0
3 years ago
What is the eighth term in the sequence x+3, - 2x^2 - 6x, 4x^3 +12x^2​
Anastasy [175]

Answer:

a_8=-128x^8-384x^7

Step-by-step explanation:

The terms of the sequence are:

x+3,-2x^2-6x,4x^3+12x^2,...

We can rewrite the terms in factored form to get;

x+3,-2x(x+3),4x^2(x+3),...

We can see that the subsequent terms are obtained by multiplying the previous term by -2x. This is called the common ratio.

Therefore the first term of this geometric sequence is a_1=x+3 and the common ratio is r=-2x.

The nth term of a geometric sequence is given by: a_n=a_1(r^{n-1}).

Let us substitute the first term, the common ratio, and n=8 to obtain:

a_8=(x+3)(-2x)^{8-1}

a_8=(x+3)(-2x)^{7}

a_8=-128x^7(x+3)

a_8=-128x^8-384x^7

3 0
3 years ago
Which conditional statement is represented by the Venn diagram below?
coldgirl [10]

Option B

Step-by-step explanation:

Step 1 :

Option A does not represent the Venn diagram because it specifies that the triangle does not have 3 vertices  which is not true

Step 2 :

Option B is the conditional statement which is represented by the Venn diagram because a triangle has 3 corners or vertices and 3 lines or edges.

Step 3 :

The statement in option 3 and 4 is not represented by the Venn diagram as it is not the definition of a triangle

7 0
4 years ago
Help me ASAP please!!!!
FromTheMoon [43]
I think it’s the second one sorry if i’m wrong
3 0
3 years ago
Read 2 more answers
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