3 years ago

Encontrar el valor d la variable

Mathematics

1 answer:

Yuki888 [10]3 years ago

7 0

I think it may be 5+3 and carry the one up top to get the sum of 56.

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5 năm trước tổng số tuổi của hai mẹ con là 55 tuổi. Hiện nay tuổi con bằng 4/9 lần tuổi mẹ. Tính số tuổi của mẹ và tuổi con hiện

soldi70 [24.7K]

Answer:

Step-by-step explanation:

3 0

3 years ago

What is the solution of -6 + a = 22? A 28 B. -28 0 C. 16 D. -16

KatRina [158]

Answer:

A.28

Step-by-step explanation:

Substitute a with 28 so:

-6+28=22

Then simplify the equation:

22=22

6 0

2 years ago

Help me please with the steps on how you can find the number of solutions or zeros with these questions!

arsen [322]

Answer:

2x²+5x-9=0

using quadratic formula

a=2 b=5 c=-9

x=[-5±√5²-4(2)(-9)]/2(2)

x=[-5±√97]/4

the zeros are( -5±√97)/4

6 0

3 years ago

Solve for x and explain how you got your answer 3x + 4 = 16

12345 [234]

Answer:

X = 4

Step-by-step explanation:

3x=16-4

3x= 12

X=12/3

X= 4

5 0

3 years ago

Which is the graph of the linear inequality y<3x+1

Varvara68 [4.7K]

Answer:

This is in the form y=mx+b . m is the slope and b is the y-intercept. In this case, the slope is 3 and the y-intercept is −1 .

5 0

3 years ago