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laiz [17]
3 years ago
9

Evaluate this expression for b= 3, and a=2. b-a

Mathematics
2 answers:
lina2011 [118]3 years ago
6 0

Answer: 1

Explanation: In this problem, b - a is equal to 3 - 2 which gives us 1.

almond37 [142]3 years ago
5 0
Substitute the values in the expression
b-a=3-2=1
answer b-a=1
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10) what is the area ratio<br> 11) what is the area of RST <br> HELP ASAP EMERGENCY
dlinn [17]

9514 1404 393

Answer:

  10)  C 4/9

  11)  B 24

Step-by-step explanation:

10) The area ratio is the square of the ratio of side lengths. The ratio of side lengths is ...

  RS/LM = 6/9 = 2/3

Then the area ratio is ...

  (2/3)² = 4/9

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11) Using the result of question 10, the area of ∆RST is ...

  (4/9)(54 in²) = 24 in²

8 0
2 years ago
A wheelchair access ramp has an angle of elevation of 41 degrees. If the ramp reaches to the top of a 26 inch high porch, how lo
Gemiola [76]

Answer:

HAHA THAT DISABLED F-WORD

Step-by-step explanation:

7 0
3 years ago
A person bought some cosmetics from wholesale market at the rate of Rs 360 per dozen he sells it at Rs 80 a pair find the gain p
k0ka [10]

Given,

CP of cosmetics = Rs 360 per dozen

SP of a pair of cosmetics = Rs 80

We need to find the profit percentage.

Solution,

We know that,

1 dozen = 12 items

CP of 1 cosmetic = 360/12 = Rs 30

SP of 1 cosmetic = 80/2 = Rs 40

Profit = SP-CP

= Rs 40 - Rs 30

= Rs 10

Profit percentage is given by :

\%=\dfrac{profit}{CP}\times 100\\\\=\dfrac{10}{30}\times 100\\\\=33.34\%

So, the profit percentage is 33.34%.

7 0
2 years ago
Can someone do help with any of these please?
laiz [17]
39.

|z+7|=12/3
|z+7|=4
z+7=4
-(z+7)=4
solve the first equation:
z+7=4
z=-3
solve the second equation:
-(z+7)=4
z=-11

z=-11,-3

8 0
3 years ago
About how many times would u you expect to get an odd number in 200 trials-I need the answer urgent
ale4655 [162]

Answer:

50

Step-by-step explanation:

4 0
2 years ago
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