3 years ago

The sum of a number and 4 is 6 1/2

Mathematics

1 answer:

Genrish500 [490]3 years ago

4 0

Answer:

X=2

Step-by-step explanation:

let say x is the variable that we want to found .

x + 4 =6 1/2

X + 4 = 6

X= 2

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A=1/2h(B+b); A=15, B=4,b=1

suter [353]

step by step

A=1/2h(B+b)

15=1/2h(4+1)

15/(4+1)=1/2h

15/5=1/2h

3=1/2h

h=2*3

h=6

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3 years ago

Giving brainlist to whoever answers

just olya [345]

Answer:

False

Step-by-step explanation:

$V=bhw\\V=7.5*13*2\\V=195$

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3 years ago

An employee was randomly chosen from a company.If the expected value of the age of the employee is ____ years old, the mean age

zheka24 [161]

What is the age fo the first employee?

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3 years ago

Consider this expression

Sloan [31]

Answer:

$\displaystyle \large{(x + 9)(x - 8)}$

The value of a is 9 and b is -8

Step-by-step explanation:

$\displaystyle \large{(x + a)(x + b) = {x}^{2} + (a + b)x + ab}$

We need to find two numbers that add up or subtract off to 1.

Then we also use the same two numbers that multiply and get -72.

Let's see:-

9 and -8 seem like correct values.

Because 9+(-8) is 9-8 = 1

And 9(-8) is -72.

Therefore:

$\displaystyle \large{ {x}^{2} + x - 72 = (x + 9)(x - 8)}$

The value of a is 9 and the value of b is -8 according to form of (x+a)(x+b)

8 0

3 years ago

Read 2 more answers

After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are A'(6,3), B'(-2, 1)

Fed [463]

Answer:

A(3, -6)
B(1, 2)
C(7, -1)

Step-by-step explanation:

Rotation by -90° about the origin is the transformation ...

(x, y) ⇒ (y, -x)

So, your pre-image points are ...

A'(6, 3) ⇒ A(3, -6)

B'(-2, 1) ⇒ B(1, 2)

C'(1, 7) ⇒ C(7, -1)

8 0

3 years ago