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Mars2501 [29]
3 years ago
5

Given B=40, A=45, & c=4. Find b.

Mathematics
1 answer:
RoseWind [281]3 years ago
4 0

Answer:

it's so diifficult till I'm lost my brain when try to answer this question O-O

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Hours After Sunset, X
Sloan [31]

Answer:

The answer is slope: -9/2  y-intercept: 75

Step-by-step explanation:

I just took the test :]

5 0
3 years ago
: John and Bob can paint a room in 12 days.
Flura [38]

Answer:

  48 days

Step-by-step explanation:

In terms of rooms per day, the rates add up as ...

  (1/J +1/B) +(1/W +1/N) -(1/J +1/W) = 1/12 +1/16 -1/8

  1/B +1/N = (4+3-6)/48 = 1/48

Bob and Nick working together can paint 1/48 of the room each day. It will take 48 days for Bob and Nick to paint the room.

7 0
3 years ago
Which expression is equivalent to
Nat2105 [25]

Answer : The correct option is \frac{1}{36a^{4}b^{10}}

Step-by-step explanation :

According to the BODMAS rule, when the expression contains brackets open ((), {}, []) we have to first simplify the bracket followed by of (powers and roots etc.) and then we have to solve the division, multiplication, addition and subtraction from left to right order (respectively).

The given expression is:

[\frac{(2a^{-3}b^4)^2}{(3a^5b)^{-2}}]^{-1}

=[\frac{(3a^5b)^{-2}}{(2a^{-3}b^4)^2}]^{1}

=[\frac{1}{(3a^5b)^{2}}\times \frac{1}{(2a^{-3}b^4)^2}]

=[\frac{1}{9a^{10}b^2}\times \frac{1}{4a^{-6}b^8}]

=[\frac{1}{9a^{10}b^2}\times \frac{a^6}{4b^8}]

=\frac{1}{36a^{4}b^{10}}

Thus, the given expression is equivalent to \frac{1}{36a^{4}b^{10}}

5 0
4 years ago
WILL GIVE BRAINLIEST find area
olga nikolaevna [1]

Answer:

60 \:  {cm}^{2}

Step-by-step explanation:

A =  \frac{1}{2} (14 + 6) \times 6 \\  \\  =  \frac{1}{2}  \times 20 \times 6 \\  \\  =  \frac{1}{2}  \times 120 \\  \\  = 60 \:  {cm}^{2}

4 0
3 years ago
Read 2 more answers
Which expression has a value of 39?
pychu [463]
38+1=39
How could you not know this?????You are in High school
7 0
3 years ago
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