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weeeeeb [17]
3 years ago
13

Can someone help pls

Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer: y-4=0

Step-by-step explanation:

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2z^4-10z^3+4z^2 factorable?
charle [14.2K]
Yes
factor out the 2z^2 in each term
(2z^2)(z^2-5z+4)
factor some more
z^2-5z+4
find what 2 numbers multiply to get 4 and add to get -5
the numbers are -1 and -4
(z-1)(z-4)

the factored form is
(2z^2)(z-1)(z-4)
8 0
2 years ago
A rectangular prism has a volume of 3 m3 , a length of 30 cm , and a width of 40 cm . what is the height of the prism ?
olya-2409 [2.1K]
V = lwh
3 = (30)(40)(h)
3 = (1200)(h)
<u>    </u><u>3  </u><u>  </u><u /> = <u>1200h</u>
 1200      1200
1/400 = h
6 0
3 years ago
A professor determined the relationship between the time spent studying (in hours) and performance on an exam.
kykrilka [37]
Step 1: Insert 2.6 hours for the variable of time and solve.
70.443 + 4.885(2.6)
70.443+ 12.701
= 83.144
This is Ann's EXPECTED exam score.  Because of the concert, Ann scored 16 points lower than this number.
Step 2: Subtract 16 from Ann's expected score.
83.144 - 16
= 67.144
3 0
3 years ago
Marcus is making homemade barbecue sauce.The recipe caps for 3 cups of ketchup for every 1/2 cup of mustard
SSSSS [86.1K]

Answer:

3 divided  by 1/2

Step-by-step explanation:

turn 3 into 3/1  then flip 1/2 into 2/1 and multiply which is <u><em>6</em></u>

Kcf

Keep

Change

Flip

3 0
3 years ago
Read 2 more answers
0.5x+3.5=6 what is x
nasty-shy [4]

Answer:

5

Step-by-step explanation:

0.5x=6-3.5

0.5x=2.5

x=2.5÷0.5

x=5

6 0
3 years ago
Read 2 more answers
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