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SVETLANKA909090 [29]
3 years ago
12

Plz help ill give brainliest

Mathematics
1 answer:
kipiarov [429]3 years ago
7 0

Answer:

243 in^3

Step-by-step explanation:

Cut into 2 rectangles

First one would be ..

12 x 8 = 96

second one would be

7 x 21 = 147

Add them together

147 + 96 = 243

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Write 7 in the form a + ib
11Alexandr11 [23.1K]

Answer:

Step 1. A=4

Step 2. Ib =3

Step 3 add it. Ans=7

8 0
2 years ago
What is the decimal value of 3 quarters and 2 dimes?
Radda [10]

Answer:

0.95

Step-by-step explanation:

Quarter = 0.25

Dime = 0.10

0.25+0.25+0.25= 0.75

0.10+0.10= 0.10

0.10+0.75 = 0.95

6 0
3 years ago
Consider the line y=5x -3 Find the equation of the line that is patellar to this line and passes through the point (-8, -3) Cons
Lynna [10]

Answer:

The equation of the line that is parallel to given line and passes through the point (-8, -3) is: y = 5x+37

Step-by-step explanation:

Given equation of line is:

y=5x-3

The general form of equation of line in slope-intercept form is written as:

y = mx+b

Here m(co-efficient of x) is the slope of the line and b is the y-intercept.

Comparing the given equation with the general form we get

m = 5

Two parallel lines have same slope so the slope of any line parallel to given line will also be 5.

Let m1 be the slope of required line parallel to y=5x-3

Then m1=5

Putting in general form

y = m_1x+b

y=5x+b

To find the value of b(y-intercept) the given point has to be put in the equation from which the line passes.

The point is (-8,-3)

-3 = 5(-8)+b\\-3 = -40+b\\b = -3+40\\b = 37

Putting the value of b and m1, we get

y = 5x+37

Hence,

The equation of the line that is parallel to given line and passes through the point (-8, -3) is: y = 5x+37

5 0
3 years ago
the school record for sailing a paper airplane is 30 feet 9 inches.Paul sailed his airplane 7 yards 2 feet 6 inches.How far shor
9966 [12]
Convert yards to feet
1yard=3ft
times both sides by 7
7 yards=21ft

7yards 2ft, 6in is
21ft+2ft and 6in or
23ft and 6in


so from 23ft 6in to 30ft 9 in is how much?
30ft, 9in-23ft, 6in=
30ft-23ft, 9in-6in=
7ft, 3in


he was 7ft, 3in short
5 0
3 years ago
Mark incorrectly evaluated the expression 4x+12-x to the power of 2 where is x-2. Identify and correct mark’s mistake.
nirvana33 [79]

Answer:

The value of 4x+12-x^2 is 16.

Step-by-step explanation:

The given expression is 4x+12-x^2\ at\ x=2.

Put x = 2 in the above expression as follows :

4x+12-x^2=4(2)+12-(2)^2\\\\=8+12-4\\\\=16

Hence, the final answer is 16.

5 0
3 years ago
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