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choli [55]
3 years ago
11

15 points--Which equation represents a line that has a slope of 1/3 and passes through point (–2, 1)?

Mathematics
1 answer:
Alex17521 [72]3 years ago
8 0
The answer should be B
you plug in -2 for x, and 1 for y
whichever equation is correct is your answer.
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Consider polynomials P and Q.
romanna [79]
B. P+Q
This the answer on edmentum

7 0
3 years ago
Write the quadratic function in vertex form, then identify the vertex
34kurt

Answer:

vertex = (- 10, - 10 )

Step-by-step explanation:

The equation of a quadratic in vertex form is

y = a(x - h)² + k

where (h, k ) are the coordinates of the vertex and a is a multiplier

To obtain this form use the method of completing the square.

Given

h(x) = x² + 20x + 90

add/subtract ( half the coefficient of the x- term )²

h(x) = x² + 2(10)x + 100 - 100 + 90

      = (x + 10)² - 10 ← in vertex form

with (h, k ) = (- 10, - 10 )

8 0
3 years ago
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12.3 years, and standard deviation of
Zolol [24]

Answer:

probability of lasting longer = 1.7%

Step-by-step explanation:

We are given:

x' = 14 years

μ = 12.3 years

s = 0.8 years

Thus, let's use the formula for the Z-score value which is;

z = (x' - μ)/s

Thus;

z = (14 - 12.3)/0.8

z = 2.125

From the z-distribution table attached, the p-value is ;

P(x' > 2.125) = 1 - 0.983 = 0.017 = 1.7%

Thus,probability of lasting longer = 1.7%

5 0
3 years ago
Rewrite 10^32 x 10^6 using a single exponent
Zarrin [17]

10^38

<u>Step-by-step explanation:</u>

Given that,

10^32 x 10^6

Here the base is same (10) and the powers are 32 and 6.

These 2 bases are in multiplication form so the powers can be added up.

10^32 x 10^6 = 10^(32+6)

= 10^38

4 0
4 years ago
Read 2 more answers
What is 50% of 70????
klio [65]

Answer:

35.

Step-by-step explanation:

Convert 50% into a decimal

50/100=0.5

Multiply.

70 * 0.5 = 35

7 0
4 years ago
Read 2 more answers
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