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LenKa [72]
2 years ago
9

Can someone help me really please

Mathematics
2 answers:
adell [148]2 years ago
6 0

Answer:

C

Step-by-step explanation:

NARA [144]2 years ago
4 0

Answer:

b

Step-by-step explanation:

3/3 = 1

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Find the missing base. 64=?2
LekaFEV [45]

9514 1404 393

Answer:

  8

Step-by-step explanation:

Your familiarity with multiplication tables tells you ...

  64 = 8·8 = 8²

The missing base is 8.

5 0
3 years ago
I really need help! This is last minute and its 1 am. I'm tired so I'm going to leave it to you guys to solve my problems and pr
Illusion [34]

Answer:

<h2><u>question 1</u></h2>

n^{2} - 20n -96 = 0

use product and sum method

product = -96

sum = -20

numbers needed = ( -24 , 4)

n - 24 = 0

n + 4 = 0

hence <u>n = 24 and n = -4 </u>

<u></u>

<h2><u>Question 2 </u></h2>

<u />x^{2} + 12 x = 48<u />

in the form ax^{2}  +bx +c = 0

= x^{2} +12x - 48

make use of the formula :

\frac{-b+-\sqrt{b^{2} -4ac} }{2a}

replace values to make 2 equations :

1.\frac{-12+\sqrt{12^{2} -4*1*-48} }{2*1} = 3.17

2.\frac{-12-\sqrt{12^{2} -4*1*-48} }{2*1} = -15.2

hence <u>x = 3.17 and x = -15.2</u>

<u />

<h2><u>Question 3 </u></h2>

<u />x^{2} -14x+40=0<u />

use product and sum method

product = 40

sum = -14

numbers needed = (-10 , -4)

x - 10 = 0

x - 4 = 0

hence<u> x = 10 and x = 4</u>

<u />

<h2><u>Question 4 </u></h2>

<u />5b^{2} -20b-18 = 7<u />

in the form ax^{2}  +bx +c = 0

this becomes 5b^{2} -20b-18-7

= 5b^{2} -20b-25

can simplify by 5

= b^{2} -4b-5 =0\\

use product and sum method

product = -5

sum = -4

numbers needed (-5 , 1)

b-5 = 0

b + 1 = 0

hence <u>b = 5 and b = -1</u>

5 0
3 years ago
Read 2 more answers
How else can the ratio 14:1 be written
OLEGan [10]
14/1 basically 14 over 1
7 0
3 years ago
Read 2 more answers
The area of greenland is 840,000 square miles. what is this number in scientific notation?
inna [77]
The answer is 8.4x10^5
7 0
3 years ago
The Canadian side of Niagara Falls has a flow rate of 600,000 gallons per second. How many gallons of water flow over the falls
poizon [28]

Answer:

36 \times  {10}^{6}

or

36000000

5 0
3 years ago
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