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-Dominant- [34]
3 years ago
13

100 points! I will mark brainliest! Only answer if you know it please. Random answer will be reported because I’m looking for th

e REAL answer:)

Mathematics
2 answers:
Evgen [1.6K]3 years ago
8 0
Pretty sure that is right (2 & -1/2)
OleMash [197]3 years ago
6 0

Answer:

2 and -1/2

Step-by-step explanation:

perpendicular lines have slopes that have opposite signs and are reciprocals

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the length of a rectangle is 4 more than 3 times the width. If the perimeter of the rectangle is 18.4cm, what is the area of the
antoniya [11.8K]

Answer:

A = 10.27cm²

Step-by-step explanation:

Let's represent the width as x,

therefore since the length is 4 more than 3 times the width, it can be represent as 3x + 4,   Perimeter = 18.4cm

Perimeter of a rectangle = 2(L + B)

18.4= 2(3x+4+x)\\18.4= 6x+8+2x\\18.4-8=6x+2x\\10.4=8x\\x=\frac{10.4}{8}\\x=1.3

width = 1.3cm

Length = 3x + 4 = 3*1.3 + 4 = 7.9cm

Area of a rectangle = length x width

A = 7.9 * 1.3 = 10.27cm²

6 0
2 years ago
Read 2 more answers
GIVING OUT BRAINLIEST TO FIRST ✅CORRECT✅ ANSWER
Paraphin [41]

Answer:

1,-5 and -1,-3

Step-by-step explanation:

8 0
2 years ago
Does anybody know how to do this pleas help I'm stuck ​
Masteriza [31]

Answer:

24

Step-by-step explanation:

78-30=48

48/2=24

each one is 24kg

7 0
3 years ago
Read 2 more answers
Two less than 3/2 of a number (x) is more than 5 1/2
garik1379 [7]

Answer:

3/2x-2>5 1/2

Step-by-step explanation:

Two less than a number means we are subtracting 2, so we can write it into the equation as -2.

Since we dont know the value of x, we can just write 3/2 of x by multiplying 3/2 by x. So 3/2x. Also, since we are subtracting two from 3/2x, -2 comes after 3/2x.

Now, since it says that it is more than 5 1/2, we could use the greater than sign (>), to express that. So >5  1/2

Our final expression is 3/2x-2>5 1/2.

Hope this helps!

3 0
3 years ago
OPEN ENDED QUESTION
posledela

Answer: I hope this helps :)

Substitution:  45+15(6-1)

Simplify:  120

Step-by-step explanation:

Calculate within parenthases (6-1) =5    =45+15(5)

Multiply left to right 15(5)=75      =45+75

Add leftg to right 45+75=120

Answer = 120

4 0
3 years ago
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