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Doss [256]
3 years ago
8

61 is the sum of 18 and vidyas age

Mathematics
1 answer:
liq [111]3 years ago
3 0
To find to find this answer all you need to do is subtract 18 from 61.

61-18=43
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A w=-8<br> B w=-5 <br> C w=5<br> D w=8
algol [13]

Answer:

D

Step-by-step explanation:

Plug in every scenario, in see if it equal to each other.

D is the only one that is equal.

8 0
3 years ago
Find the points where the line y = x - 1 intersects the circle x2 + y2 = 13
nata0808 [166]

Answer:

(-2,-3) and (3,2)

Step-by-step explanation:

sub in x-1 into y

x^2 + (x-1)^2 = 13

x^2 + (x-1)(x-1)=13

x^2 + x^2 -2x +1 = 13

2x^2 -2x-12=0

solve for x by factoring (quadratic formula, product sum etc..)

x= -2 and 3

plug in those values into y=x-1 and solve for y

3 0
3 years ago
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Which of the following is the radical expression of a to the four ninths power ?
LuckyWell [14K]

Given expression in exponential form : a^{\frac{4}{9} }.

We need to convert it into radical form.

<em>Please note: When we convert an exponential to radical form, the top number goes in the exponent of the term and bottom number of the fraction goes in the radical sign to make it nth radical.</em>

We can apply following rule:

(a)^{\frac{m}{n}}= \sqrt[n]{x^m}.

Therefore,

a^{\frac{4}{9} }= \sqrt[9]{a^4}.

Therefore, correct option is : D. ninth root of a to the fourth power.

6 0
3 years ago
Can someone help me please? (I’ll give out brainliest to the quickest and correct answer)
katrin [286]

Answer:

what is the question ? but i dont know ans

6 0
2 years ago
I'll give 19 points to whoever answers this question​
otez555 [7]
9: I think it is 48
10: 138
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