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emmainna [20.7K]
3 years ago
7

Six times the sum of a number and 9 equals 5. Use variable y for unknown number.

Mathematics
1 answer:
lapo4ka [179]3 years ago
7 0

Answer:

y = -8 \frac{1}{6}

Step-by-step explanation:

Six times the sum of a number and 9 equals 5.

6(y+9)=5

6y + 54 = 5

6y = -49

y = -8 \frac{1}{6}

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If the average price of a new one-family home is $246,300 with a standard deviation of $15,000, find the minimum and maximum pri
mariarad [96]

Answer:

Step-by-step explanation:

P(-a<z<a)=0.60, from the symmetry of normal distribution, P(z<a) = 0.60+ (1-0.60)/2 =

0.60+0.4/2

0.60+0.2

= 0.8

Considering the standard normal distribution table, we have a = 0.80, thus

z =(x-m)/std = 0.80

the maximum x = m + 0.80×std =

Where m = 246300

Std = 15000

246300+0.80×15000

= 246300+12000

= 258300

For the minimum x

x = m - 0.80×std

x = 246300-0.80×15000

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8 0
3 years ago
-41^2
Irina-Kira [14]

Answer:

Step-by-step explanation:

I'm going to take a leap here and say that the -41^2 should be a -41t^2 and that the expression should look like this:

-41t^2-13t+ 9

A term is a combination of variables and numbers separated by either a plus or a minus from another combination of variables and numbers. We have 3 terms: -41t^2 is one; -13t is another; 9 is the last. So this is a trinomial.

The degree of a polynomial is equal to the degree of the highest degree'd term. Since the leading term has a power of 2 and that's the highest degree of all the terms, this is a second degree polynomial, or a quadratic, to be more specific.

6 0
4 years ago
Find the prime factorization of 1,148 using a factor tree
Montano1993 [528]

Answer:

Prime Factors of 1148 = 2, 2, 7, 41

Which is the same as = 2² x 7 x 41

6 0
3 years ago
A storage gives every 42nd customer a $42 gift certificate.Every 30th customer gets a $30 gift certificate. What number customer
arlik [135]

Answer:

72

Step-by-step explanation:

let me know if this helps!

5 0
3 years ago
Read 2 more answers
What is the sum of (2x - 4y) and (9x + 2y)? Please explain
navik [9.2K]

Answer:

11x-2y

Step-by-step explanation:

Combine like terms so 2x+9x=11x AND -4y+2y=-2y so answer follows as 11x-2y

7 0
4 years ago
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