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IgorLugansk [536]
2 years ago
13

Perform the operation. (9x2 - 8) - (-4x2 - 5x)Anyone know this one?​

Mathematics
1 answer:
Degger [83]2 years ago
7 0

Answer:

5x+18

Step-by-step explanation:

9 x 2-8-(-4 x 2-5x)

18-8-(-4 x 2-5x)

18-8-(-5x-8)

18-8+8+5x

Please give Brainliest

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Three lizards eat 63 grams of food each day. How many grams of food would you expect 5 lizards to eat
zhenek [66]

Answer: 105 grams

Step-by-step equation: they each eat 21 grams a day

3 0
3 years ago
Sam has 15 identical rectangular windows in his home. The length of each window is twice the width, and the area of each window
marshall27 [118]
The answe would be 300 because, the perimeter of the windows is 12, then you have to multiply 25 to 12 then bam you get 300, yay!

5 0
3 years ago
A rectangular sheet of paper is 12 1/2 cm long and 10 2/3 cm wide.Find it's perimeter​
ra1l [238]

Answer:

Given

length of rectangular sheet of paper is 12 (1/2) i.e. (25/2)

Breadth of rectangular sheet of paper is 10 (2/3) i.e. (32/3)

But we know that perimeter of rectangle = 2 (length + breadth)

Perimeter of rectangular sheet = 2 [(25/2) + (32/3)]

LCM of 2 and 3 is 6,

by taking this and simplifying we get

Perimeter = 2[(25 × 3)/6 + (32 × 2)/6]

= 2[(75/6) + (64/6)]

= 2(139/6) = (139/3)

= 46 (1/3) cm

3 0
3 years ago
Read 2 more answers
The total amount of deductions from an employee’s gross pay is $83.20. If the gross pay is $378.18, what percent of their gross
Masja [62]

Answer:

22%

Step-by-step explanation:

A percent of something can be thought of as part of that thing divided by the total amount of the same thing and multiplied by 100%.

In this case, the part of the thing is part of a paycheck. The total thing is the total paycheck.

Percent=\frac{Part}{Total} *100%%

Percent=\frac{83.20}{378.18} *100=0.2200*100=22.000%

4 0
2 years ago
Write an equation that represents this comparison sentence. 32is 8 times as many as 4
12345 [234]
32 = 8 x 4  or 32 = 4 x 8
8 0
3 years ago
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