3 years ago

Name the angle pair: ∠5 and ∠1

Mathematics

2 answers:

Yuri [45]3 years ago

7 0

Jdjenejdjejkekendnend

Harrizon [31]3 years ago

4 0

Answer:

corresponding

Step-by-step explanation:

they are both label 1 and are in the same side first angle.

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Write an equation in standard form of the line passing through the points (12, 3) and (-3, 8).

aliya0001 [1]

Answer:

x + 3y = 21

Step-by-step explanation:

$(x_{1},y_{1})=(12,3) \\\\(x_{2},y_{2})=(-3,8)\\\\Slope= \dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\= \dfrac{8-3}{-3-12}= \dfrac{5}{-15}\\\\= \dfrac{-1}{3}$

Equation of the line: y =mx+ b

$y = \dfrac{-1}{3}x+b\\\\\\Plugin \ x = 12 \ and \ y=3 \ in \ the \ above \ equation\\\\3= \dfrac{-1}{3}*12+b\\\\3= -4+b\\\\3+4 = b\\\\b = 7\\\\\\\y= \dfrac{-1}{3}x+7\\\\$

Multiply the equation by 3

3y = -x + 21

x + 3y = 21

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3 years ago

The sum of the digits of a certain two-digit number is 13. Reversing its digits decreases the number by 45. Find the number..

lesya [120]

Answer:

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3 years ago

What are the next four terms in the following arithmetic sequence? (-7), (-2), 3, 8,... A. 18, 23, 28, 33 B. 13, 18, 23, 28 C. 8

Triss [41]

Ok..ur adding 5 each time to get the next term
so the next 4 terms are : 13, 18, 23, 28

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3 years ago

8,000 * 40<br> = 320,000

Artyom0805 [142]

Answer:

This is true

Step-by-step explanation:

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3 years ago

Read 2 more answers

Three red rods are 2cm longer than two blue rods. Three blue rods are 2cm longer than four red rods. How long is each rod?

nydimaria [60]

Answer:

The length of each red rod is 10 cm and the length of each blue rod is 14 cm

Step-by-step explanation:

Let

x ----> the length of each red rod in centimeters

y ----> the length of each blue rod in centimeters

we know that

$3x=2y+2$ ----> equation A

$3y=4x+2$ ----> equation B

Solve the system by graphing

Remember that the solution of the system of equations is the intersection point both graphs

using a graphing tool

The solution is the point (10,14)

see the attached figure

therefore

The length of each red rod is 10 cm and the length of each blue rod is 14 cm

4 0

3 years ago