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makvit [3.9K]
2 years ago
10

What are 2 phrases for the expression 85-y

Mathematics
2 answers:
Gwar [14]2 years ago
7 0
<span>85 decreased by a number y

</span><span>the difference of 85 and a number y</span>
adelina 88 [10]2 years ago
5 0
85 and -y
So yeah
You get it?
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For f left parenthesis x right parenthesis equals StartRoot x EndRoot and g left parenthesis x right parenthesis equals 4 x plus
lara31 [8.8K]

Answer:

Step-by-step explanation:

Given that there are two functions f and g as

f(x) = \sqrt{x} \\g(x) =4x+9

We have to find the composition of functions.

Composition functions are calculated as the first function inside bracket and then the outside function of answer inside.

a)fog= f{g(x)} =f(4x+9) = \sqrt{4x+9}

b) gof = g{f(x)} = g(\sqrt{x} )=4\sqrt{x} +9

c) fof = f(\sqrt{x} ) = \sqrt[4]{x}

d) gog = g(4x+9) = 4(4x+9)+9\\= 16x+45

4 0
3 years ago
Write a formula that will yield the nth term of the sequence: 3,-2,-7,-12
RUDIKE [14]

Answer:

-5n + 8

Step-by-step explanation:

<u>1. What is the difference?</u>

  The sequence goes down by 5. This means that the formula will have -5n in it.

<u>2. Work out the term before the first term.</u>

    The first term is 3, and we know that the sequence goes up by 5. So, to get the term before 3 we would add 5.

3 + 5 = 8   Remember, this is positive 8. (+8)

<u>3. Put that term at the end of the equation. </u>

   We have -5n already and we just worked out the term before the first one which is positive 8 - so put that at the end of the equation.

-5n + 8  This is our answer!

Just to prove it works:

<em>Substitute:   n = term</em>

Lets see if we can get the 3rd term which is -7. (n = 3)

-5(3) + 8

-15 + 8 = -7

See, it works!

8 0
3 years ago
Derek rolls a die many times and records the number of times he rolls a three. Arrange the following situations in order from th
mrs_skeptik [129]

The sentence sequence is "BDAC".

<u>Step-by-step explanation</u>:

  • Derek is rolling a die many times and he is recording when he rolls a dice of three. So we have to identify from largest to smallest.
  • The first largest is 30 times. Because of 3*10=30, so he rolls three ten times. So the first option is B.
  • The second largest is 20 times. Derek rolled dice three-six times because of 3*6=18. So the second option is D.
  • The third-largest is 10 times. In this, he rolls three times. Because of 3*3=9. So the option is A.
  • The final option is C. Derek rolls five times. 3*1=3. In this, he rolled only one time. So the sequence is BDAC.                                                                  

5 0
3 years ago
Read 2 more answers
Pls help me!!! And thank youuuuu
abruzzese [7]

Answer:

264

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Six increased by two times the difference of four
Mrrafil [7]

16x

Step-by-step explanation:

6 increased by 2 --> 6+2

difference of 4 and 2 --> 4-2

first part times the second part --> 6 + 2 (4-2)

times a number --> • x

put it all together --> (6+2)(4-2) • x or 16x

6 0
2 years ago
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