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dimulka [17.4K]
2 years ago
15

Pls help What is side AC

Mathematics
1 answer:
Maslowich2 years ago
4 0

Answer:

tan●=opposite/adjacent

tan70=AC/3

AC=3tan70

AC=8.24

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Solve the system of linear equations.
RoseWind [281]

Answer:

1. No solution

2. Infinite solutions

Step-by-step explanation:

1. To solve the system, set the equations equal to each other and solve for x.

2x - 5 = 2x + 7

-5 = 7

This is a false statement. This means there is no solution.

2. To solve the system, graph each equation.

y = -3/4 x - 5/2 has a y-intercept -5/2 and slope -3/4.

3x + 4y = -10 converts to y = -3/4x -5/2.

This graphs as the exact same line. This system has infinite solutions.

4 0
3 years ago
Can some one help with this question?
vesna_86 [32]

Answer:

Step-by-step explanation:

log₂125 = log₂(5²) = 2log₂5 = 2k

3 0
2 years ago
Isabella decides to sell handmade stationery. She decides to sell 2 cards for $9. Which table below show the possible values of
sweet-ann [11.9K]

Answer:

G.

Step-by-step explanation:

cards = 2

dollars = 9

to check that the number of cards with the correct amount d;

use the ratio and proportion.

(3 x 18)/9 = 4

(4 x 31.5)/18 = 7

(7 x 45)/31.5 = 10

therefore, option G. table G. is the correct answer

try doing the ratio and proportion on the other table and the number of cards DO NOT match with the amount.  (see attached)

6 0
2 years ago
X/3 +2y/3= -1 and x-y/3=9 solve. by elimination method​
Galina-37 [17]

Answer:

X=51/7, Y= -36/7

Step-by-step explanation:

X/3 + 2y/3 = -1 equ 1

X - y/3 = 9 equ 2

eliminate X/3.

X/3 + 2y/3 = -1..... x 1 ( co-efficient of X in equ2 )

X - y/3 = 9 ...... x 1/3 ( co-efficient of X in equ1 )

X/3 + 2y/3 = - 1 equ 3

-

X/3 - y/9 = 3 equ 4

0 + 7y/9 = -4

y = -36/7

( input the value of y into equ 4 )

X/3 -y/9 = 3

X/3 - (-36/7)/9 = 3

X/3 + 36/63 = 3

X/3 = 3 - 36/63

X/3 = 153/63

63X = 459

X = 459/63

X = 51/7.

8 0
3 years ago
Anybody good at geometry
Butoxors [25]
I gotchu bruh.
Equilateral triangles got 60 per angle
Add 60 to that one next to 100 so you got 160 and the other triangle is iscosles so the equation is
160+60+60+x+x=360
2x=80
X=40
5 0
3 years ago
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