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olga2289 [7]
2 years ago
13

56:12

Mathematics
1 answer:
Gre4nikov [31]2 years ago
5 0

Answer:

The official answer is {C} ive previously taken the test

Step-by-step explanation:

I have taken the test before hand.

You might be interested in
Express 0.0057 in scientific notation
andrew-mc [135]

Answer:

5.7 \times  {10}^{ - 3}

Step-by-step explanation:

0.0057

first number

5

then the rest

7

equal

5.7

There's <u>three</u> zeros <u>behind</u> the number 5 which mean it will be -3

\times  {10}^{ - 3}

final answer

5.7 \times {10}^{ - 3}

another example and it will be clear

0.0000403

first number

4

then the rest

03

equal

4.03

There's <u>five</u> zeros <u>behind</u> the number 4 which mean it will be -5

\times {10}^{ - 5}

final answer

4.03 \times {10}^{ - 5}

3 0
3 years ago
K(t) = 10t - 19<br> k(-5) =
DanielleElmas [232]

Answer:

-69

Step-by-step explanation:

k(-5) = 10*-5 -19

= -50-19

=-69

6 0
3 years ago
Read 2 more answers
A.<br> Create a model to show 2 x 5.
Rzqust [24]

Answer: You meant a picture?

Step-by-step explanation: The model is here:

6 0
2 years ago
Factor the expression.
tiny-mole [99]
B. (k+10f)(k-5f) you can tell in 2 ways.  1. if the second sign is neg then the signs in the factors are going to be one neg and one positive so that knocks out C and D.  Then you look at the second term and since the 5 is positive then the 10 has to be positive so you end up with a positive 5kf.

The second way is to FOIL them out.  When you check B you get k^{2} -5kf+10kf- 50f^{2} combine your like terms and you have your original expression of k^{2} +5kf-50 f^{2}

Hope that helps
3 0
3 years ago
#26 7s=4 please help
const2013 [10]
7s = 4
/7.    /7 


s= 4/7

thats the equation right?
7 0
3 years ago
Read 2 more answers
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