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3 years ago

Answer please, i really need help :3

Mathematics

1 answer:

kap26 [50]3 years ago

6 0

1. I think is 144 degrees

2. I think is 150 degrees

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Perform the indicated operation: (-1 1/2)(-3/2)

LiRa [457]

Answer:

=8 1/4 as a fraction or 8.25 in decimal form.

Step-by-step explanation:

The indicated operation is the product of the two fractions. Multiplication opens the brackets.

(-11/2)×(-3/2)

=(-11×-3)/(2×2)

=33/4

The negative signs before each term cancel out in multiplication and division.

=33/4 =8 1/4= 8.25

Choose 1 answer among the improper fraction, Mixed fraction or the decimal.

6 0

3 years ago

Describe the graph of y = 3x and compare it with the graph of y = x,

kykrilka [37]

check math way

Step-by-step explanation: it helps more then here

7 0

3 years ago

Heyy! i’ll give brainliest help asap pls

vladimir1956 [14]

Answer:

I think it's A

hope this helps

have a good day :)

Step-by-step explanation:

7 0

3 years ago

14 less than the quotient of 63 and a number h

ycow [4]

quotient of 63 and a number h would be 63/h
14 less than that would be 63 over h - 14

8 0

3 years ago

Read 2 more answers

Find the lateral area and surface area of the solid. Use the 2.5 by 2.5 square as the base. Round to the nearest tenth if necess

maxonik [38]

Answer:

Part 1) $LA=220\ ft^2$

Part 2) $SA=280.5\ ft^2$

L = 220 ft2 ; S = 280.5 ft2

Step-by-step explanation:

The correct question is

Find the lateral area and surface area of a rectangular prism. The base is a square 5.5 ft by 5.5 ft, and the height is 10 ft

Part 1) Find the lateral area

The lateral area of a rectangular prism is equal to

$LA=Ph$

where

P is the perimeter of the base

h is the height of the prism

we have

$P=4(5.5)=22\ ft$ ---> the perimeter of a square

$h=10\ ft$ ---> is given

substitute

$LA=22(10)=220\ ft^2$

Part 2) Find the surface area

The surface area of a rectangular prism is equal to

$SA=2B+LA$

where

LA is the lateral area

B is the area of the base

we have

$LA=220\ ft^2$

$B=5.5^2=30.25\ ft^2$ ----> area of a square

substitute

$SA=2(30.25)+220=280.5\ ft^2$

8 0

3 years ago

Read 2 more answers