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3 years ago

PLEASE HELP 10 BRAINLY POINTS Find SA for this triangular prism: DON'T FORGET TO SHOW ALL WORK

Mathematics

1 answer:

Tresset [83]3 years ago

6 0

Answer: 872

10 times 16 = 160

12vtimes 10 = 120

20 times 20 = 400

12 times 16 = 192

*with the area of triangles, you have to divide your number by 2, but there is 2 triangles, so 192, instead of 96*

Step-by-step explanation:

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nordsb [41]

Answer is D. $60.00 I believe

5 0

3 years ago

Read 2 more answers

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

Every seventh-grade student at Martin Middle School takes one world language class.

koban [17]

Answer:

s = 180

Step-by-step explanation:

s is the total number of seventh-grade students

1/10s take French which is 18

1/10s = 18

s = 18(10)

s = 180

6 0

2 years ago

A water tank contains 12 1/2 ltres of water. Two-fifth of it was (1 mark) consumed. How much of it was left?

SVEN [57.7K]

Answer:

7 1/2

Step-by-step explanation:

A water tank contains 12 1/2 liters

= 25/2

Two fifth of it was consumedd

= 25/2 ×2/5

= 50/10

= 5

12.5-5

= 7.5

= 7 1/2

4 0

3 years ago

Determine whether each table represents a linear or nonlinear

Nesterboy [21]

Answer: Yes, No

Step-by-step explanation:

1st table is linear because the slope is always constant.

Second is not linear, but rather exponential.

6 0

2 years ago