Please help me I am struggling :((

Mathematics

2 answers:

Ierofanga [76]2 years ago

3 0

Answer:

Multiply the width to the length

Step-by-step explanation:

Elden [556K]2 years ago

3 0

Answer:

43.5

Step-by-step explanation:

To find the area of a triangle you need to do the base times height divided by 2. This is a right triangle, so 11 is the height. the base is 2+4+3, which is 9.

9 x 11 is 99

99/2 is 49.5

Then the area of the rectangle is 6, so 49.5-6 is 43.5.

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IRISSAK [1]

Answer:

brueh what im confused

Step-by-step explanation:

4 0

2 years ago

Which equation(s) have x = –3 as the solution? log3(2x + 15) = 2 log5(8x + 9) = 2 log4(–20x + 4) = 3 logx81 = 4

baherus [9]

Answer:

log_3(2x+15)=2 and log_4(-20x+4)=3

Step-by-step explanation:

Plug it in and see!

$log_3(2x+15)=2\\log_3(2(-3)+15)=2\\log_3(-6+15)=2\\log_3(9)=2\\\text{ This is a true equation because } 3^2=9\\\\\\log_5(8(-3)+9)=2\\log_5(-24+9)=2\\log_5(-15)=2\\\\\text{ Not true because you cannot do log of a negative number }\\\\log_4(-20(-3)+4)=3\\log_4(64)=3\\\text{ this is true because } 4^3=64\\\\\\log_x (81)=4\\log_{-3}(81)=4\\\text{ the base cannot be negative }\\\\\\\\\text{ There is only two options here} \\\\log_3(2x+15)=2 \text{ and } log_4(-20x+4)=3$