All categories

3 years ago

I will give 100 points and please get it right

Mathematics

1 answer:

Kobotan [32]3 years ago

8 0

Answer:

2 7/10

Step-by-step explanation:

3/4+3/5=

Common Denominator: 20

Multiples of 4: 4, 8, 12, 16, 20

Multiples of 5: 5, 10, 15, 20

3x5=15

4x5=20

15/20

3x4=12

5x4=20

12/20

15/20+12/20= 27/20 = 2 7/10

You might be interested in

Solve the quadratic equation x2+8x−30=0 by completing the square.

diamong [38]

Answer:

$\bold{x=-4\pm\sqrt{46}}$

Step-by-step explanation:

$(a+b)^2=a^2+2ab+b^2\\\\\\x^2+8x-30=0\\\\\underbrace{x^2+2\cdot x\cdot 4+4^2}-4^2-30=0\\\\{}\qquad(x+4)^2\,-\,16-30=0\\\\{}\qquad\ \ (x+4)^2=46\\\\ {}\qquad\ \ x+4=\pm\sqrt{46}\\\\ {}\qquad\ \ x=-4\pm\sqrt{46}$

5 0

2 years ago

Please help me with this soon much appreciated.

NeX [460]

Answer:

1 : 2

Step-by-step explanation:

this is a 30-60-90 triangle which is a special right triangle. the ratio of the sides is x: x*sqrt(3): 2x, in the order short leg: long leg: hypotenuse. so the ratio of the short leg to the hypotenuse is x:2x or 1:2

8 0

2 years ago

Which problem solving strategy would be best to solve this problem?

g100num [7]

Answer:

Step-by-step explanation:

You should be tracking your work so that you can find a pattern within the graph to correctly write the next answer.

5 0

2 years ago

They wont let me post this i don't know why:(

QveST [7]

Answer:

Im choosing A and yes that would be great

Step-by-step explanation:

3 0

3 years ago

ALGEBRA 1 HELP URGENT!!

butalik [34]

Here, Sequence : -2, -6, -18, -54
Common Ratio = a₂/a₁ = -6/-2 = 3
As the expression is in negative sign, it's sequence will be -3ˣ
Where x = number of terms in the sequence [ By this rule, you can calculate the unknown nth number]

In short, Option C is your answer!!!!

Let me know, if you have some doubt.

5 0

3 years ago