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GREYUIT [131]
2 years ago
12

Expand & simplify (2x+6)(x−9)

Mathematics
1 answer:
Alex777 [14]2 years ago
8 0

Answer:

2x^2-12x-54

Step-by-step explanation:

First 2x times x along with 2x times -9

Second 6 times x  along with 6 times -9

2x^2-18x+6x-54

=2x^2-12x-54

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2 or more equal ratios for 7/16
ivann1987 [24]
This is a simple one just multiply the sides by the same number
14/32,  28/48

5 0
3 years ago
Read 2 more answers
Is the proportion of the female population age 60 or older in country A greater than the proportion of the female proportion age
densk [106]

Answer:

Proportion of female older Than 60 in country A is not more than the proportion of female older Than 60 in country B.

Step-by-step explanation:

From. The plot given :

We could approximate the proportion of females older than 60 as follows _

COUNTRY A :

60 - 69 = 0.105

70 - 79 = 0.065

80 - 89 = 0.038

90+ = 0.01

Total = About 0.218

COUNTRY B :

60 - 69 = 0.14

70 - 79 = 0.11

80 - 89 = 0.07

90+ = 0.02

Total = About 0.34

From the estimated proportion, the proportion of females on country B is more than the proportion in country A.

7 0
3 years ago
Frances gets 6 paychecks in 12 weeks. how many paychecks does she get in 52 weeks?
viktelen [127]
In this question it is important to look at all the information's that are given. Based on those given information's, the answer to the question can be very easily deduced. Now let us concentrate on the problem in hand.
The number of paychecks that Frances gets in 12 weeks = 6
Then
The number of paychecks that Frances gets in 1 week = (6/12)
                                                                                         = (1/2)
So
The number of paychecks that Frances gets in 52 weeks = (1/2) * 52
                                                                                             = 26
So Frances gets 26 paychecks in 52 weeks.
6 0
3 years ago
Read 2 more answers
Cassie has a small cube shaped box. Its volume is 64 cubic cm. What is the area of one face of tje box.
Andrews [41]

Answer:  One face is 16 square centimeters.

Step-by-step explanation: To find the area of a face, you need to know the length of the side. All the sides of the cube are the same, so take the cube root of 64.

\sqrt[3]{64}=4 cm is the length of the side

The area of one face is the side length squared 4² = 16

4cm × 4cm = 16 square centimeters.

8 0
3 years ago
Order the numbers from least to greatest 0.8,8%,18%,1/8,8/18
inna [77]

Since you know more percentages than fractions, let's convert the fractions to percentages by dividing the numerator by the denominator, and then multiplying the answer by 100.

That means that 1/8 is 12.5% and 8/18 is 44.4%.

The correct order would be:

0.8%, 8%, 1/8, 18%, 8/18.

7 0
3 years ago
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