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3 years ago

13

PLEASE HELP ITS OVER DUE AND I NEED HELP PLEASE ILL GIVE BRAINLIEST TO CORRECT ANSWER. PLSSS ILL GIVE ALL MY POINTS IM DESPERATE

1 answer:

Tasya [4]3 years ago

5 0

Answer:

<h2>i need to see all the answers but yeah </h2>

Step-by-step explanation:

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Translation Algebraic Expressions

SVETLANKA909090 [29]

7+k=?
4-z=?
9-x=?
c4=?
z-9=?
9+s=?
x-4=?
x-9=?
8+f=?
d/4=? or d÷4=?

4 0

3 years ago

The area of a square playground in 256.6404 square meters. Find the length of one side of the playground.

a_sh-v [17]

Answer:

16.02 m

Step-by-step explanation:

the area (A) of a square is calculated as

A = s² ( s is the side length )

given A = 256.6404 , then

s² = 256.6404 ( take square root of both sides )

s = $\sqrt{256.6404}$ = 16.02 m

6 0

3 years ago

to get to a library you must travel 1/2 mi down one street, 3/5 mi down another street and 1 1/10 mi down a third street. How ma

Jlenok [28]

Answer:

11/5mi or 2.2mi

Step-by-step explanation:

1/2 +3/5 +11/10 =11/5mi

6 0

3 years ago

Read 2 more answers

Find f'(x) for f(x) = 5x2 − 3x + 12. 10x + 12(this answer is incorrect) −10x − 3 10x − 3 None of these

nexus9112 [7]

What are ya sayin

Step-by-step explanation:

5 0

3 years ago

(Please show your work) (1 kwh = 3400 BTU’s 1 gallon = 8 pounds of water) The water coming into a dishwasher from a water heater

shtirl [24]

Answer:

5700 BTU

Step-by-step explanation:

Data provided in the question:

1 kwh = 3400 BTU’s

1 gallon = 8 pounds of water

Initial temperature = 50°F

Final temperature = 100°F

Water used by dishwasher = 10 gallons

Electrical energy used = 0.5 kwh

Now,

Water used in pounds = 10 × 8 = 80 lb

Total electrical energy used in BTU = 0.5 × 3400 BTU [ as 1 kwh = 3400 BTU]

Total electrical energy used in BTU = 1700 BTU

Energy used by water = Water used by dishwasher × Change in temperature × Specific heat of water

[ Specific heat of water = 1 BTU / °F.lb ]

Thus,

Energy used by water = 80 × 1 × ( 100 - 50 )

= 4000 BTU

Hence,

Total energy used = 1700 BTU + 4000 BTU = 5700 BTU

8 0

3 years ago