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3 years ago

What is the answer and how should the problem look?y-12 = -22

Mathematics

2 answers:

Alexus [3.1K]3 years ago

4 0

Y-12= -22
+12 +12
________
y= -10

The answer to this problem is y= -10. Hope this helps. (。・艸-。)-☆

Alchen [17]3 years ago

3 0

If solving for y

remember, you can do anything to an equation as long as you do it to both sides
y-12=-22
add 12 to both sides
y+12-12=12-22
y+0=-10
y=-10

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RoseWind [281]

Answer:

$m\angle KLM=53.13^o$

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the measure of angle KOM

In the triangle KOM

we have

$KO=MO=r=5\ units$

$KM=8\ units$

Applying the law of cosines

$8^2=5^2+5^2-2(5)(5)cos(KOM)$

$64=50-50cos(KOM)$

$50cos(KOM)=50-64$

$50cos(KOM)=-14$

$cos(KOM)=-14/50$

$m\angle KOM=cos^{-1}(-14/50)$

$m\angle KOM=106.26^o$

step 2

Find the measure of the arc KM

we know that

$arc\ KM=m\angle KOM$ ----> by central angle

we have

$m\angle KOM=106.26^o$

$arc\ KM=106.26^o$

step 3

Find the measure of angle KLM

we know that

The inscribed angle is half that of the arc comprising

$m\angle KLM=\frac{1}{2}[arc\ KM]$

we have

$arc\ KM=106.26^o$

substitute

$m\angle KLM=\frac{1}{2}[106.26^o]$

$m\angle KLM=53.13^o$

7 0

3 years ago

The weights of steers in a herd are distributed normally. The standard deviation is 200lbs and the mean steer weight is 900lbs.

katen-ka-za [31]

Answer:

0.0369

Step-by-step explanation:

normalcdf (1220,1320,900,200) is 0.0369

3 0

2 years ago

Tony solves the linear equation 3(x - 3) + 2x + 9 = 2x + 2(x - 1) using the step shown below.

Natasha_Volkova [10]

Answer:

D.)

Step-by-step explanation:

because when you have numbers inside the parentheses, you have to multiply both of those numbers by the number to the right of the parentheses, not just the X.

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3 years ago

The sum of 5 times a number and 2 is the same as the number minus 2

Genrish500 [490]

The number is -1.
5x+2 = x-2
X=-1

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3 years ago

−3z−(−z−2) Simplify to create an equivalent expression.

netineya [11]

-3z - (-z - 2)

In order to find the expression equivalent to our given expression, we have to simplify our given expression :)

-3z + z + 2

**Remember : the "z" and "2" become a positive because a negative times a negative is always a positive!**

Now, add like terms.

(-3z + z) + 2

Simplify.

-2z + 2

Look at our given answer choices.

Our answer is c. -2z + 2

~Hope I helped!~

4 0

3 years ago

Read 2 more answers