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Zepler [3.9K]
3 years ago
9

Please answer only questions 18 and 20 please help me ​

Mathematics
2 answers:
PolarNik [594]3 years ago
7 0
You do 8 x 7 answer divided by 7 answer times by 8 for 18
olga nikolaevna [1]3 years ago
4 0

Answer:

18 is 64 days

20 is 1 37/128

Step-by-step explanation:

I looked it up if I am being completely honest with you but it should be correct

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D= 5, -2, 1 e= 1, 2 Multiply matrix D by matrix E. pleeeeaaasssee help me please please please
Zepler [3.9K]
Multiply D×E. Which is 1×5. And subtracte 2
3 0
3 years ago
As infants grow from a toddler to a young adult, there may be times when they are ill and medication is needed. It is extremely
Alex17521 [72]

Answer:

Each age is 12 more than the last so the rate of change would be twelve.

Yes it is linear, every twelve pounds is 2.5 more millimeters of dosage.

7 0
3 years ago
Read 2 more answers
Bella says 18 is the same as 10 ones and 8 tens
ss7ja [257]

Answer:

Bella is largely mistaken.

Step-by-step explanation:

What she described equals 90

7 0
2 years ago
Read 2 more answers
Y = x + 7 and y = -x + 2
larisa [96]

Answer:

y = x + 7

y = (-x) + 2

X + 7 = (-x) + 2

X + X = 2 - 7

2x = (-5)

<h3>x = (-5)/2 </h3>

Putting the value of X in equation

Y = (-5/2) + 7

Y = (-5)/2 + 7/1

Equalising the denominator by Taking LCM

Y = (-5)/2 +14/2

Y = ( -5 +14)/2

<h3>Y = (9)/2 </h3>
7 0
2 years ago
X+3y=5
DerKrebs [107]

Answer:

That all the answer  hope i helped


8 0
2 years ago
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