3 years ago

angle a is 40 degrees angle a and b are complementary angles angle c and d are supplementary angles what is angle d

Mathematics

2 answers:

Anna35 [415]3 years ago

6 0

90 is the correct answer......

GrogVix [38]3 years ago

3 0

Angle B is 50 degrees, subtract 40 degrees from 90 because complementary means a total of 90

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The expression −260+18 m represents a submarine that began at a depth of 260 feet below sea level and ascended at a rate of

telo118 [61]

-152
So you start by doing 18 times 6, you get 108. Then you subtract 108 from 260 and get your answer, 152!

3 0

3 years ago

(-2x-5)=23 solve for it step by step please

expeople1 [14]

Answer: $x=-14$

Step-by-step explanation:

Get rid of parentheses: $-2x-5-23=0$

Add all the numbers together, and all the variables: $-2x-28=0$

Move all terms containing x to the left, all other terms to the right:

$-2x=28$

$x=28/-2$

$x=-14$

7 0

3 years ago

Read 2 more answers

Solve. <br> X^2+5x-10=0 <br> Enter your answers, as exact values, in the boxes.

Grace [21]

Answer:

$x^{2} + 5x - 10 = 0 \\x^{2} + 5x = 10 \\ x(x + 5) = 10$

Now,

Either,

x=10

Or,

x+5=10

x=10-5

x=5

3 0

3 years ago

Classify each polynomial according to its degree and type. Look at the screenshot below!

Ahat [919]

Answer:

Monomial Binominal Trimoninal

Degree 1: -9x x + 6

Degree 2: -4 $x^{2}$ $4x^{2} -x$ $x -3x^{2} + 1$

Degree 3: 4 $x^{3}$ 5 - 2 $x^{3}$ $3x^{2} + 3x^{3} -10$

Step-by-step explanation:

I do not know how to explain how I got to this answer, but here is the answer.

8 0

1 year ago

I need help on number 2. A

Drupady [299]

You should use a protractor to help you with this answer; without one it's really hard to draw a 62 degree angle on your own. Sorry!!!

5 0

3 years ago