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avanturin [10]
2 years ago
9

I need help with this please

Mathematics
1 answer:
Gnoma [55]2 years ago
4 0

Answer:

He started with 180.

Step-by-step explanation:

If 90 is 50% of what he started with, then the other 50% is 90

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100 points
Pavlova-9 [17]
STEP
1
:

y
Simplify —
3
Equation at the end of step
1
:

y
(((18•(x5))•(y3))+((6•(x2))•(y4)))+((((24•(x6))•—)•x)•y)
3
STEP
2
:

Equation at the end of step
2
:

y
(((18•(x5))•(y3))+((6•(x2))•(y4)))+((((23•3x6)•—)•x)•y)
3
STEP
3
:

Canceling Out:

3.1 Canceling out 3 as it appears on both sides of the fraction line


Equation at the end of step
3
:

(((18•(x5))•(y3))+((6•(x2))•(y4)))+((8x6y•x)•y)
STEP
4
:

Equation at the end of step
4
:

(((18•(x5))•(y3))+((2•3x2)•y4))+8x7y2
STEP
5
:

Equation at the end of step
5
:

(((2•32x5) • y3) + (2•3x2y4)) + 8x7y2
STEP
6
:

STEP
7
:
Pulling out like terms

7.1 Pull out like factors :

8x7y2 + 18x5y3 + 6x2y4 = 2x2y2 • (4x5 + 9x3y + 3y2)

Trying to factor a multi variable polynomial :

7.2 Factoring 4x5 + 9x3y + 3y2

Try to factor this multi-variable trinomial using trial and error

Factorization fails

Final result :
2x2y2 • (4x5 + 9x3y + 3y2)
3 0
2 years ago
Combine the like terms to create an equivalent expression:
Sphinxa [80]

Answer:

  7k

Step-by-step explanation:

  −k−(−8k) = -k +8k = 7k

6 0
3 years ago
BRAINLYEST IF CORRECT,
aivan3 [116]

Answer:

-12

Step-by-step explanation:

-6 - -4*-3/-2

-6 -   12/-2

-6-6

-12

7 0
2 years ago
Read 2 more answers
A college student has taken a summer job to help pay swishing in one week he earned the following amounts Monday $45.90 Tuesday
matrenka [14]
$250 is the answer but if u add and then do division and boom ur answer is $250
3 0
3 years ago
Read 2 more answers
In a right triangle, the side adjacent to angle x is 4 units. The side opposite that angle is 9 units. What is the tangent ratio
puteri [66]
Answer: C
The formula for tangent is tan(x)= opposite/ adjacent so plugging it in would be tan(x)=9/4
4 0
2 years ago
Read 2 more answers
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