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Luba_88 [7]
3 years ago
8

Javier is building a recyangular case that has a lenth of 28 centime ters, a width of 20 centimeters, and a height of 14 centime

ters. He decides to change the height to be 2 times the original height
Mathematics
1 answer:
son4ous [18]3 years ago
3 0

Answer:

124

Step-by-step explanation: Since the length is 28, the width is 20,  and teh height is 14, you have to do 28+20+14, which equals 62. 62 x 2 = 124.

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#8 What is the VALUE of point B (put in decimal form) *
MakcuM [25]

Answer:

B= -2.75

A= -0.25

C= 2.50

4 0
3 years ago
Work out the value of n 1/8 ÷ √ 2 = 2 n Give your answer as an improper fraction
Alex Ar [27]

Answer:

n = √2/32

Step-by-step explanation:

1/8 : √2 = 2n

1/8×1/√2 = 2n

1/8√2 = 2n

√2/16 = 2n

√2 = 16×2n

32n = √2

n = √2/32

8 0
4 years ago
Evaluate the expression for the given values. (5 x - 4 y) 2 given x = 1 and y = -1.
Reika [66]

((5 \times 1) - (4 \times  - 1)  =  \\ 5 - ( - 4) =  \\ 5 + 4 =  \\ 9

3 0
3 years ago
Grant has $75 to spend on gifts for his daughter. He buys dolls for $15 each and toys for $8 each.
deff fn [24]

Answer:

B

Step-by-step explanation:

Your going to want the money to equal less then $75 dollars not  more because if it more than the amount you have you cant buy it.

Hope this helps :3

(feedback helps me! dont be afraid to tell me if im wrong)<3

4 0
4 years ago
Read 2 more answers
A carpenter braces a 10-ft x 15-ft wall by nailing a board diagonally across the wall. How long is the bracing board? Write your
lana66690 [7]

Answer:

Radical: 5√13

Decimal: 18.0

Step-by-step explanation:

Given the dimension of the board given as 10ft by 15ft

If the board is nailed diagonally, the length of the bracing board will be gotten using the pythagoras theorem;

d² = 10² + 15²

d² = 100 + 225

d² = 325

d = √325

Expressing in radical form;

d = √325

d = √25*13

d = 5√13

Hence the length of the board in radical form is 5√13 feet

Express in decimal form;

d = √325

d = 18.0

Hence the length of the board to the nearest tenth is 18.0 feet

8 0
3 years ago
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