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Anna11 [10]
3 years ago
7

12. The temperature in Anchorage, Alaska, will be

Mathematics
1 answer:
Allisa [31]3 years ago
4 0

Answer:

D

Step-by-step explanation:

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When 80% of a is added to the number, the result is 252. What is the number
wariber [46]
Use the equation .8x + x = 252
x is the number, and .8 is the decimal equivalent of 80%.

1.8x = 252

x = 140
6 0
3 years ago
Plssss i need help rn ​
wariber [46]

Answer:

3

Step-by-step explanation:

(x₁ , y₁) = (-1 , -2)   &    (x₂ , y₂) = (3 , 10)

Slope =\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

         = \frac{10-[-2]}{3-[-1]}\\\\=\frac{10+2}{3+1}\\\\=\frac{12}{4}\\\\=4

m  = 4

y - y₁ = m (x - x₁)

y - [-2] = 4(x - [-1])

y + 2 = 4(x + 1)

y + 2 = 4x + 4

    y = 4x + 4 - 2

    y = 4x + 2

8 0
2 years ago
A medical test has been designed to detect the presence of a certain disease. Among people who have the disease, the probability
Oksi-84 [34.3K]

Answer:

a) 0.497

b) 0.0047

Step-by-step explanation:

a) The probability that the person actually has the disease

\frac{0.06 *0.93}{0.06 *0.93 + 0.06 *0.94} = 0.497

b) The probability that the person actually does have the disease\frac{0.06 *0.07}{0.06 *0.06 + 0.93 *0.94} = 0.0047

6 0
3 years ago
It snowed for 11 days in January and 9 days in February. How many days did it snow in all?
m_a_m_a [10]

Answer:

21 days in total

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Here is another math question 6/3+(-1/3)
gtnhenbr [62]
<span>6/3+(-1/3)
</span><span>= 6/3-1/3
= 5/3
= 1 2/3</span>
6 0
3 years ago
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