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erastova [34]
3 years ago
8

URGENT!!

Mathematics
1 answer:
drek231 [11]3 years ago
8 0

let the number be x for all the qns

1. x/3+4=7

x/3=3

x=9

2. x^2+7=32

x^2=25

x=5 or -5

3. 30÷7x=1

30=7x

x=30/7 or 4.29(3.s.f.)

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strojnjashka [21]

Answer:

x2+5x/2 -4

Step-by-step explanation:

f(x) = 2x+3 and g(x) = x^(2)+(x)/(2) - 7 , what is  (f+g)(x)

x^2+5x/2-4

8 0
3 years ago
A newspaper began publication in 1897 and was printed daily for 76 years . In what year did the newspaper stop publication ?
valentina_108 [34]

Answer:

1973

Step-by-step explanation:

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4 0
3 years ago
1 point
ozzi

Answer:

11,400 ft^2

with no allowances for doors or windows

Step-by-step explanation:

ceiling: (35)(40) = 1400

walls: 2(35 x 16) + 2(40 x 16) = 2400

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6 0
3 years ago
WHOEVER ANSWERS CORRECTLY W STEP BY STEP GETS BRAINLIEST
Ratling [72]
Volume: 151.6ft

Hope this helps :D
8 0
2 years ago
Read 2 more answers
How can I use two unit multipliers to convert 42 centimeters to feet?
eimsori [14]

Answer:

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42 cm x <u> 3.28 ft  </u>

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= 1.38 ft

there are plenty of printable unit conversion on google

6 0
4 years ago
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