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2 years ago

I'll mark you brainliest

Mathematics

1 answer:

Sliva [168]2 years ago

3 0

Answer:6480

Step-by-step explanation:

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Given m||n, find the value of x.<br> (9x-5)(6x+20)

xxTIMURxx [149]

Answer:

5/9 & -10/3

Step-by-step explanation:

Set each to 0 and solve:

9x-5 = 0

9x=5

x=5/9

6x+20=0

6x=-20

x=-20/6

x= -10/3 or -3 1/3

7 0

2 years ago

Help me with a. b. c. I need help

hammer [34]

Answer:

a) Perimeter = 20.5 Inches

Area is 15 Sq Inches

b) Perimeter is 61.4 Cms

Area is 210 Sq cm

c) Perimeter is 22 yards

Area is 21 Sq Yards

Step-by-step explanation:

a) Perimeter = sum of all the sides

= 8+7.5+5

=20.5

Perimeter = 20.5 Inches

Area of Triangle = $\frac{1}{2} \times height \times Base$

Base = 7.5 In

Height = 4 In

$A = \frac{1}{2} \times 4 \times 7.5$

$A = 2 \times 7.5$

$A = 15$

Hence Area is 15 Sq Inches

b) Perimeter = Sum of all the sides

P=13+23+13.4+12

P=61.4

Perimeter is 61.4 Cms

Area of trapezium = $\frac{1}{2} \times height \times (sum \ of \ parallel \ sides)$

$A= \frac{1}{2} \times 12 \times (12+23)$

$A= 6 \times 25$

$A=210$

Area is 210 Sq cm

c) Perimeter = Sum of all the sides

P = 7+4+7+4 ( as Opposite sides are equal in a parallelogram

P = 22

Perimeter is 22 yards

Area of a parallelogram = $base \times height$

$A= 7 \times 3$

$A = 21$

Area is 21 Sq Yards

3 0

3 years ago

The ratio of two numbers is 5/4 and the first number is 7 more

vlada-n [284]

In this case, the numbers would be 5*7 and 4*7 which is 35 and 28 respectively

4 0

3 years ago

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A right rectangular prism is shown. What shape best describes the cross section cut perpendicular to the base of a right rectang

alisha [4.7K]

Since the cross section is constrained to be perpendicular to the base, the shape of it is constrained to be a ...
Rectangle

_____
That rectangle may be a square, but is not required to be.

4 0

3 years ago

Read 2 more answers

HELP ASAP

Andrej [43]

Answer:

the answer is each piece of trim is 43 cm long

185-13 = 172

172 divided by 4 pieces came out to 43 cm

(I don't know the equation part)

Step-by-step explanation:

5 0

3 years ago