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algol [13]
3 years ago
9

Which of these equations has only one solution?

Mathematics
2 answers:
Nata [24]3 years ago
5 0

Answer:

b

Step-by-step explanation:

trust me im a senior and its easy

kolezko [41]3 years ago
4 0
The correct answer to the question provided is a the only possible solution is a=3
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Convert from Decimal Notation to Scientific Notation
Bingel [31]

Answer:

Hence, 0.0000087 can be expressed as $8.71 \times 10^{-6}$.

Step-by-step explanation:

- Given 0.00000871

- Move the decimal point so that the factor is greater than or equal to 1 but less than 10 .

- Then count n and write no. as product with a power of 10 .

Step 1 of 1

Consider 0.00000871,

8.71

Decimal has moved 6 places to right.

The power will be negative as the original no. is less than 1 .

$$\begin{array}{r}8.71 \times 10^{-6} \\0.0000087=8.71 \times 10^{-6}\end{array}$$

3 0
2 years ago
There are 8 animals in the barn. Some are ducks and some are buffalo. There are 24 legs in all. How many of each animal are ther
faltersainse [42]

Answer: 4 buffalos and 20 chickens (i think)

Step-by-step explanation:

2x+4y= 8

Ducks have 2 legs and buffalos have 4.

x= ducks y=buffalos

2(24-y)+4y=24

48-2y+4y=40

2y=8

y=4

4 buffalos

x+y=24

x=24-y

x=24-4

x=20

20 ducks

3 0
3 years ago
Which of the following situations can be best represented by the inequality 6X + 15 < 100 ?
Elena L [17]

Answer:

6x<100-15

6x<85

x<85/6

x<14.17

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP!!!
Black_prince [1.1K]

Answer:

Step-by-step explanation:

substitute and solve:

100 = bh

100 = b(2b)

100 = 2b²

50 = b²

b = √50

b = √(25 * 2)

b = 5√2

solve for h:

h = 2b

h = 2(5√2)

h = 10√2

if you are told to round to 1 DP :

b ≈ 7.1 m

h ≈ 14.1 m

3 0
3 years ago
Read 2 more answers
Complete the table.<br><br> Original Price Percent of Discount Sale Price<br> $<br> 5% $57
mario62 [17]

Answer:

I think it is $54.15 sorry if wrong

6 0
3 years ago
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