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3 years ago

Solve the following system of equations graphically. Click on the graph until the correct solution of the system appears.

Mathematics

1 answer:

krok68 [10]3 years ago

6 0

Solution is (1,1) where two lines intersect

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Find the measure of angle C of a triangle ABC, if: d m∠A = 60°+α, m∠B = 60°−α

snow_lady [41]

Answer:

m∠C = 60°

Step-by-step explanation:

we know that sum of angles of a traingle is 18 degrees.

given

m∠A = 60°+α,

m∠B = 60°−α

we have to find m∠C

m∠A + m∠B + m∠C = 180

60°+α + 60° - α +m∠C = 180

+α and -α gets cancelled

120°+m∠C = 180

=> m∠C = 180° - 120° = 60°

Thus, measure of angle c is 60°.

8 0

3 years ago

I need help fast... if answered Correctly I will mark brainliest

Lesechka [4]

9514 1404 393

Answer:

(-5,1)

Step-by-step explanation:

To eliminate x, multiply the first equation by 3 and add 2 times the second equation.

3(-2x +7y) +2(3x -4y) = 3(17) +2(-19)

-6x +21y +6x -8y = 51 -38

13y = 13

y = 1 . . . . . matches the third answer choice

(x, y) = (-5, 1)

5 0

3 years ago

I NEED SOMEONE TO SOLVE THESE FOR ME. I NEED THE WHOLE PROBLEM SOLVED NOT JUST THE ANSWER.

dimaraw [331]

Answer:

1. x=11/4

Step-by-step explanation:

$\frac{3}{5} x - \frac{3}{4} = \frac{9}{10}$

u should x 20 then u will get

$12x - 15 = 18$

$12x = 18 + 15$

$12x = 33$

$x = \frac{33}{12}$

$x = \frac{11}{4}$

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A box of 15 markers cost is $2.40 how much will a box of 40 marker’s cost

butalik [34]

Answer:

$6.40

Step-by-step explanation:

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pochemuha

Step-by-step explanation:

Hi mate I am new to this app

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