MATHEMATICS HIGH SCHOOL

D=a+b+c solve for b
I need some help

Answers

Answer 1

Answer:

Hi Walker

d=a+b+c

Flip

a+b+c=d

Add -a to both sides

a+b+c-a=d-a

b+c=-a+d

Now add -c to both sides

b+c-c=-a+d-c

b= -a-c+d

I hope that's help:0

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Michael needs 6 1/2 feet of metal flashing to complete a household project. He has two small pieces measuring 3 1/8 feet and 1 3/4 feet. How many feet of metal flashing does Michael need to purchase?

Answers

Michael needs to buy 1 5/8 feet more.

Length of metal flashing needed = 6 1/2

Since he already has two pieces we would add them together and this will be:

= 3 1/8 + 1 3/4

= 3 1/8 + 1 6/8

= 4 7/8

Therefore, we would subtract the above figure from 6 1/2 and this will be:

= 6 1/2 - 4 7/8

= 1 5/8

Therefore, Michael needs to buy 1 5/8 feet more.

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Answer:

Michael needs to purchase 1 5/8 feet more of metal flashing.

Step-by-step explanation:

To have the same denominator in both fractions, you can multiply 4 by 2. This will turn out to be 8, resulting in 8 being our common denominator. To achieve this, multiply:

7 x 2 = 14 or 1 6/8

4 2 8

We next add both fractions together, resulting in:

3 1/8 + 1 6/8 = 4 7/8

The fraction 6 1/2 can also be expressed as 6 4/8, so to find out how much metal Michael still needs to purchase, subtract 4 7/8 from 6 4/8.

Can anyone help quickly.. explanation is not necessary but would be appreciated, I struggle with this topic and would like to understand it a little bit.

Answers

Answer:

38.68 degrees

Step-by-step explanation:

In this equation you are trying to find the degrees using the hypotenuse and opposite. So you have to use the function sin^-1(5/8). Because when using Sin it is opposote ove hypotenuse.

PLEASE HELP. A playground is shaped like a rectangle with a width 5 times its length (l). What is a simplified expression for the distance between opposite corners of the playground?

Answers

Look at the picture.

Use the Pythagorean Teorem:
$l^2+(5l)^2=d^2\nl^2+5^2l^2=d^2\nd^2=l^2+25l^2\nd^2=26l^2\nd=√(26)^2\nd=√(26)\cdot√(l^2)\n\boxed{d=l√(26)}$

What happened to the cat who swallowed a ball of yarn?

Answers

the cat who swallowd the yarn died

Depending on the size of the ball of yarn. I the ball of yarn was small he'll live but if it was bigger than he would have died from it being stuck in it's throat or possibly could have lived if rushed to the hospital immediately. But in this case she had Mittens.

Solve z2 – 15z + 56 = 0 using the zero product property. A. z = –5, –2
B. z = 8, 7
C. z = –4, 7
D. z = 8, –4

Answers

Answer: B

Heyy, this is a quadratic equation and I used the null factor law to solve this. So basically, find 2 numbers that multiply together to get 56, e.g. 8x7. But you have to make sure that the 2 numbers you choose add up to 15. Then put it in null factor law form, e.g. (z-8)(z-7)=0. Then just solve for 0. E.g. z-8=0. Which is 8. If you want, you can expand to check if it matches the original equation.. :')

Answer:

Step-by-step explanation:Heyy, this is a quadratic equation and I used the null factor law to solve this. So basically, find 2 numbers that multiply together to get 56, e.g. 8x7. But you have to make sure that the 2 numbers you choose add up to 15. Then put it in null factor law form, e.g. (z-8)(z-7)=0. Then just solve for 0. E.g. z-8=0. Which is 8. If you want, you can expand to check if it matches the original equation.. :')

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What times 16 equals 48

Answers

Number 3 times 16 is equals to 48.

What is Division method?

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

Given that;

The number 16 times is equal 48.

Let a number = x

Hence, We can formulate;

⇒ 16 × x = 48

Divide by 16;

⇒ x = 48 / 16

⇒ x = 3

Thus, 3 times 16 is equals to 48.

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