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madreJ [45]
2 years ago
8

A solution of the equation 3x + y = 15?

Mathematics
1 answer:
Tamiku [17]2 years ago
8 0

Step-by-step explanation:

Since there is 2 unknown variable ,

so we need 2 equation to find their values.

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$270 are shared in the ratio 4:5. what is the greater share?​
jarptica [38.1K]

Answer:

$150

Step-by-step explanation:

5/(4+5) * 270 = 150

5 0
3 years ago
Evaluate this exponential expression.
Levart [38]

Answer:

(-27)^\dfrac{2}{3} = 9

Step-by-step explanation:

Given that,

Asn expression : (-27)^\dfrac{2}{3}

We need to evaluate the above expression.

We know that, (-3)^3=-27

So,

(-27)^\dfrac{2}{3}=(-3)^{3\times \dfrac{2}{3}}

or

=(-3)^2\\\\=-3\times -3\\\\=9

So, the value of (-27)^\dfrac{2}{3} is 9. Hence, the correct option is (b).

8 0
3 years ago
What does it mean if u have a number in front of a square root?
netineya [11]
That means it's a surd
5 0
3 years ago
PLEASE ANSWER THEMM!!!!
natita [175]

Answer:

a.) b⁷÷b⁴

= <u>b⁷</u>

b⁴

= b^7-4

= b³

b.) <u>x </u><u> </u><u>×</u><u> </u><u> </u><u>x⁵</u>

x² × x

= <u>x</u><u>^</u><u>1+</u><u>5</u>

x^2+1

= <u>x⁶</u>

x³

= x^6-3

= x³

5 0
2 years ago
All of the following are equivalent except<br> O 4y<br> O (4)<br> 04.y<br> O 4+ y
barxatty [35]

Answer:

I think it's 4y

Step-by-step explanation:

I think it's 4y is because if y = 0 they all work but 4y which is 0 while all the others are 4

3 0
3 years ago
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