3 years ago

15b − 15b + 3b − 2b = 8 What is b?

Mathematics

1 answer:

olasank [31]3 years ago

8 0

Answer:

b = 8

Step-by-step explanation:

Look at picture.

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Look at the figure. If m∠JKM = 48, find m∠J.

vladimir2022 [97]

Answer:

Step-by-step explanation:

The measure of angle K is 48, the measure of angle m is 90. From there you have 138 degrees. A triangle is 180 degrees. You subtract 138 from 180.

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3 years ago

a plumber charges an initial fee of $200 plus an hourly fee of $50. Mr.Collins paid the plumber $450. How many hours did the plu

Advocard [28]

The plumber worked for 5 hours because 450-200=250 which gets rid of the initial fee so 250 divided by 50 is 5

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3 years ago

A. 48+1.2m>40<br> B. 40+1.2m<48<br> C. 48+1.2m<40<br> D. 40+1.2m>48

spin [16.1K]

I think the answer is d

4 0

3 years ago

Read 2 more answers

find the component equation of the plane which is normal to the vector -2i+5j+k and which contains the point (-10;7;5).

maksim [4K]

Given:

A plane is normal to the vector = -2i+5j+k

It contains the point (-10,7,5).

To find:

The component equation of the plane.

Solution:

The equation of plane is

$a(x-x_0)+b(y-y_0)+c(z-z_0)=0$

Where, $(x_0,y_0,z_0)$ is the point on the plane and $\left< a,b,c\right>$ is normal vector.

Normal vector is -2i+5j+k and plane passes through (-10,7,5). So, the equation of the plane is

$-2(x-(-10))+5(y-7)+1(z-5)=0$

$-2(x+10)+5y-35+z-5=0$

$-2x-20+5y-35+z-5=0$

$-2x+5y+z-60=0$

$-2x+5y+z=60$

Therefore, the equation of the plane is $-2x+5y+z=60$ .

4 0

2 years ago

Which list shows the numbers ordered from least to greatest?

Lorico [155]

Answer:

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4 0

3 years ago