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puteri [66]
4 years ago
13

How many times does 2 go into 400

Mathematics
2 answers:
drek231 [11]4 years ago
5 0
Its two hundred because four hundred divided by two is two hundred

bogdanovich [222]4 years ago
4 0
2 goes into 400, that is \frac{400:2}{2:2} =  \frac{200}{1},

However, 2 goes into 400,  200 times.
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If (-2,3), 3x-2ky+4=0 find the value of k
ipn [44]
Answer: k = -1/3

Step-by-Step Explanation:

=> 3x - 2ky + 4 = 0
Value of ‘x’ = -2
Value of ‘y’ = 3

Substitute values of ‘x’ and ‘y’ :-
=> 3x - 2ky + 4 = 0
= 3(-2) - 2k(3) + 4 = 0
= -6 - 6k + 4 = 0
= -6k = 6 - 4
= -6k = 2
= k = 2/-6
=> k = -2/6 = -1/3

Therefore, k = -1/3
8 0
2 years ago
What is ∑n=16[4(−5)n−1] equal to?<br><br> Enter your answer in the box.
Cerrena [4.2K]

Step-by-step explanation:

Geometric Sequence formula for general term:

an = a1(r^n-1)

a1 = 4 × (-5)^1-1

a1 = 4

r = -5

Summation formula for geometric sequence :

Sn = a1 ( 1 - r^n / 1 - r )

...<em>take n from the top of the summation.</em>

= 4 ( 1 -(-5)^6 / 1 -(-5)

= -10416.

4 0
2 years ago
Which equation can be solved by using this system of equations?
laila [671]
If you observe the two given equations, the left hand side of both equation is the same and is equal to y.

Since the left hand side of two equations is the same, we can conclude that the right hand side of two equations must also be the same. 

So, setting them right hand sides of both equations equal to each other and solving for x, we can find the solution to the simultaneous equations.

Therefore, the correct answer is option B
8 0
4 years ago
Read 2 more answers
23800 is 34% of annual income. what is the income?
BARSIC [14]

Hey there!

If you ever see the word "is" in a story problem, it means that there is an equal sign there. Let's apply that to this.

23800 =(is) 0.34i (income)

Now, we can solve for i by dividing.

23800/0.34= 70,000

Therefore, the annual income is $70,000.

I hope this helps! Have a great day!

5 0
3 years ago
Y=3x+2 and x+2y=11 how do you solve these linear equations by using substitution
Pani-rosa [81]
Plug in y=3x+2 into the y in the second equation.

x + 2(3x+2) = 11
x + 6x + 4 = 11
7x + 4 = 11
7x = 7
x = 1

then, plug the x value into x in the first equation.

y = 3(1) + 2
y = 3 +2
y = 5
3 0
4 years ago
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