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Roman55 [17]
3 years ago
9

Need help please it’s due today show work

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
6 0

Answer:

D

Step-by-step explanation:

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Can someone help and explain this because I don't get it!
creativ13 [48]
The area of a triangle in determined by the formula:
\frac{b \times h}{2}
where b is the base of the triangle and h is it's height

You just have to replace the b and h with their values in the formula (b=9.9ft and h=5.5ft)
\frac{b \times h}{2}  =  \frac{9.9 \times 5.5}{2}  =27.225

The answer is 27.225 ft^2

3 0
3 years ago
What is the volume of a right circular with a radius of 6 m and a height of 9 m
Pavlova-9 [17]

Answer:

324 pi m^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2h  where r is the radius and h is the height

V = pi (6)^2 9

V = pi (36)9

V =324 pi m^3

6 0
3 years ago
Round to the nearest hundredth
r-ruslan [8.4K]
The answer would be 43.98 2^2 •3.5=43.9823
4 0
3 years ago
Read 2 more answers
DIG DEEPER! Solve the<br> 2x – y + 3z = -1<br> x + 2y - 4z = -1<br> y -- 2z = 0<br> The solution is
vovangra [49]

Answer:

x = - 1, y = 2, z = 1

Step-by-step explanation:

Given the 3 equations

2x - y + 3z = - 1 → (1)

x + 2y - 4z = - 1 → (2)

y - 2z = 0 → (3)

Add (1) and (3) term by term

2x + z = - 1 → (4)

Multiply (1) by 2

4x - 2y + 6z = - 2 → (5)

Add (2) and (5) term by term

5x + 2z = - 3 → (6)

Multiply (4) by - 2

- 4x - 2z = 2 → (7)

Add (6) and (7) term by term

x = - 1

Substitute x = - 1 into (4)

- 2 + z = - 1 ( add 2 to both sides )

z = 1

Substitute x = - 1, z = 1 into (2)

- 1 + 2y - 4 = - 1

- 5 + 2y = - 1 ( add 5 to both sides )

2y = 4 ( divide both sides by 2 )

y = 2

solution is (x, y, z ) = (- 1, 2, 1 )

7 0
3 years ago
Help me with the problem please!!
adell [148]

Step-by-step explanation:

Scale factor red to blue meaning 42 to 7

42÷7=6

Scale factor is 6

Perimeter of the blue quadrilateral = ?

If perimeter of red = 204

Then we use this following proportion

204 \div 42 = x \div 7

\frac{204}{42}  =  \frac{x}{7}

Then we cross multiply

42x=7×204

42x=1428

x=34

Area of the blue quadrilateral = ?

If area of the red quadrilateral = 2880

Then we use the following proportion

2880 \div 42 = x \div 7

\frac{2880}{42}  =  \frac{x}{7}

Then we cross multiply

42x=2880×7

42x=20160

x=480

7 0
2 years ago
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