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2 years ago

Which relationship describes angles 1 and 2?

Mathematics

1 answer:

pshichka [43]2 years ago

6 0

Complementary angles

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Subtract the sum of a^2 − 2ab + b^2 and 2a^2 + 2ab + b^2 from the sum of a^2 − b^2 and a^2 + ab + 3b^2

solniwko [45]

Answer:

-a^2 + ab

Step-by-step explanation:

(a^2 - 2ab +b^2) + (2a^2 + 2ab + b2) = 3a^2 + 2b^2

(a^2 - b^2) + (a^2 + ab + 3b^2) = 2a^2 + 2b^2 + ab

subtract the first part from the second part:

(2a^2 + 2b^2 + ab) - (3a^2 + 2b^2) = -a^2 + ab

5 0

2 years ago

Which of the following are integers? 13 14 -16 147 1000000 -3 -0.35

nikklg [1K]

Answer:

13 integer

14 integer

-16 integer

147 integer

100000 integer

-3 integer

-0.35 not integer

Explanation:

The integers are all negative or positive whole numbers

7 0

2 years ago

Read 2 more answers

Before deciding whether to fly or drive, the family decided to estimate a budget of $1,400 for airfare. One airline has

vovikov84 [41]

325

I hope that helps

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2 years ago

Jaydas house is located at (1,5). She can walk in a straight line to get to Christians house. A fast food restaurant is located

steposvetlana [31]

Answer:

C. (9,1)

Step-by-step explanation:

Let the coordinated of Jaydas House be:

A(x_1, y_1) = (1,5)

The coordinates of Christian's House be:

B( x_2, y_2)

Let the restaurant be

M(x_M, y_M) = (7,2)

The ratio is 3:1

m=3 and n=1

So by the formula of finding the point that divides lines into given ratios

$x_M = \frac{nx_1+mx_2}{m+n}\\7 = \frac{(1)(1)+(3)x_2}{3+1}\\7 = \frac{1+3x_2}{4}\\7*4 = 1 + 3x_2\\28-1=3x_2\\27=3x_2\\x_2 = \frac{27}{3}\\x_2 = 9\\y_M = \frac{ny_1+my_2}{m+n}\\2 = \frac{(1)(5)+(3)y_2}{3+1}\\2 = \frac{5+3y_2}{4}\\2*4 = 5 + 3y_2\\8=5+3y_2\\8-5=3y_2\\3=3y_2\\y_2 = \frac{3}{3}\\y_2 = 1$

Therefore the coordinates of Christian's house are (9,1)

Option C is correct ..

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2 years ago

Pls give answer I need to submit today

BabaBlast [244]

Answer:

$a \: 5 \: 10 \: 15 \: 20 \: three \: of \: these \: numbers \\ b \: 2 < 4 < 6 < 8 < 10 < 12 < 14 < 16 < \\ 18 < 20 \: three \: of \: these \: numbers \\ sum \: of \: numbers < 40 \\ \\ numbers \\ 10 \\ 20 \\ 5 \\ 2$

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2 years ago