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Lubov Fominskaja [6]
3 years ago
5

I need help asap please show work

Mathematics
1 answer:
Galina-37 [17]3 years ago
4 0
To find angle, the equation is:
b+81=180

Answer: Equation is :  b + 81° = 180°
You might be interested in
How many different breakfasts can you have at the local diner if you can select 3 different egg dishes​ (scrambled, fried,​ poac
faltersainse [42]

To find the total number of combinations, multiply all the choices together:

3 eggs x 4 meats x 5 breads x 6 juices x 4 beverages:

3 x 4 x 5 x 6 x 4 = 1,440 different breakfasts

6 0
3 years ago
What is the exact circumference of a circle with a radius of 17 millimeters?
anzhelika [568]
The equation of a circumference is 2\pir. Since we know that r=17, we plug that into the formula, and get an answer of C. 34
7 0
3 years ago
Read 2 more answers
PLEASE HURRY!!
Sedaia [141]
Just a moment while I review this
6 0
3 years ago
Given that the expression x³_ ax² + bx+c leaves the same remainder when divided by x + 1 or x-2, find 'a' in terms of 'b'.​
goblinko [34]

Answer:

Hi,

a=b+3

Step-by-step explanation:

\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=-1&&-1&a+1&-a-b-1\\---&---&---&---&---\\&1&-a-1&a+b+1&c-a-b-1\\\end{array}

\begin{array}{c||c|c|c|c}&x^3&x^2&x&1\\---&---&---&---&---\\&1&-a&b&c\\x=2&&2&4-2a&2b+8-4a\\---&---&---&---&---\\&1&2-a&b+4-2a&c+2b+8-4a\\\end{array}

Thus:

c+2b+8-4a=c-a-b-1

3b-3a=-9

<u>a=b+3</u>

5 0
2 years ago
Rachel has a bag of marbles. She added 6 marbles to the bag but then took out 8 marbles. The bag now has 14 marbles. How many ma
Anna35 [415]

Answer:

to my knowledge of this it is 28

Step-by-step explanation:

because just pay attention to the math in it she ended up with 14 in the end so add 14 and the 6 she added in the beginning and then you get 20 so then you add the 20 marbles and the 8 marbles she took out so you end up with 28 total marbles i hope this helps

6 0
3 years ago
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