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kumpel [21]
3 years ago
10

1.half 762

Mathematics
1 answer:
insens350 [35]3 years ago
7 0

Step-by-step explanation:

1) 762 ÷ 2 = <u>381</u>

2) Not sure but I think its <u>525 grams</u> coz 350÷2=175 175×3=525

3)<u> 7n-10</u>

4) 12÷2=6 6 squared=36 3.14×36=113.04 113.04÷2=<u>56.52</u>

<u>5)</u><u> </u><u>6,6,6,6</u><u>,13,13,13</u><u> </u>(add them altogether u get 63 and ÷ by 7 = 9)

6) <u>(5,-1)</u>

7)<u>376%</u>

8) soz..i can't do this.

9)<u>10/29</u>

10)<u> </u><u>30</u>

11)<u>£2.61</u>

12) <u>12.4</u>

...you're welcome...

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F(n) = 2• (-3)^n
Mashutka [201]

Answer:

f(1)=-6

f(n)=f(n-1)(-3)

Step-by-step explanation:

We are given that

f(n)=2\cdot (-3)^n

We have to complete  the recursive formula of f(n).

Substitute n=1

f(1)=2\cdot (-3)

f(1)=-6

f(2)=2\cdot (-3)^2=18

f(3)=2\cdot (-3)^3=-54

\frac{f(2)}{f(1)}=\frac{18}{-6}=-3

\frac{f(3)}{f(2)}=\frac{-54}{18}=-3

It forms geometric sequence because the ratio of two consecutive terms are equal.

Therefore, the recursive formula

f(n)=f(n-1)r

f(n)=f(n-1)(-3)

7 0
3 years ago
Read 2 more answers
As a laboratory assistant, you measure chemicals using the metric system. For your current research, you need to measure out 45
sergiy2304 [10]

Answer: 1.587 ounces of sodium chloride

Step-by-step explanation:

We know that 1 ounce is equivalent to 28.35 gr.

So we use this as a conversion factor to find the equivalent amount of sodium chloride in ounces.

If we need 45 grams of sodium chloride then this equals to:

45\ g* \frac{1\ ounces}{28.35\ gr} = 1.587\ ounces

Finally you need 1.587 ounces of sodium chloride

5 0
3 years ago
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G(n) = n² + 2; Find g(3)​
AlladinOne [14]

Answer:

<h2><em><u>11 is the answer</u></em></h2>

Step-by-step explanation:

<em><u>1. Write the question.</u></em>

g(n) = n² + 2; Find g(3)​

<em><u>2. Find and input the numbers into the equation</u></em>

g(3) =  3² + 2

3² = 9

<em><u>3. Solve the equation</u></em>

g(3) = 3² + 2

= 9 + 2

= 11

<em><u>The answer is 11.</u></em>

Hope this helped,

Kavitha Banarjee

6 0
3 years ago
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In the above figure, m&amp;angle;P = 125° and m&amp;angle;Q = 5x. If angles P and Q are supplementary angles.
GalinKa [24]

Answer:

C.    x  = 11, m∠Q = 55º

Step-by-step explanation:

125 + 5x = 180

5x = 55

x = 11

5x = 55

C.    x  = 11, m∠Q = 55º

3 0
3 years ago
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