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Stolb23 [73]
4 years ago
13

Solve for x:-15 + 3x = 7A. -8/3B. -7/12C. 8/3D. 22/3​

Mathematics
1 answer:
SCORPION-xisa [38]4 years ago
5 0
Option D is the answer

Plzz refers to the attachment for answer....

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amy bill and cara each played a game . amy’s scored was ten times bill’s scored . cara’s down the ratio of amy’s scored to bill’
Oksi-84 [34.3K]

Answer:

10:1:5

Step-by-step explanation:

Given that,

A game was played by Amy, Bill, and Cara.

Let Amy's score be x. Then,

Bill's score would be x/10

Cara's score = x/2

Now,

The ratio of their scores;

x: x/10: x/2

= 1 : 1/10 : 1/2

To equalize the scores, multiply all of them by 10

= (1 * 10): (1/10 * 10) : (1/2 * 10)

= 10 : 1 : 5

Thus, the simplest ratio form would be 10:1:5

4 0
3 years ago
Jon loves to go bird watching at a nearby animal sanctuary. Find the mean of the following numbers of birds he spotted at the sa
DIA [1.3K]

Answer:

Mean = 12

Step-by-step explanation:

The arithmetic mean of a distribution is the sum of the number of samples in the distribution divided by the number of samples in the dataset. It is a measure of central tendency. The mean is represented as follows:

\bar x = \frac{\sum x}{n} \\where\\\bar x = mean\\\sum x = sum\ of\ individual\ terms\\n = number\ of\ terms\\\therefore \bar x = \frac{14\ +\ 10\ +\ 17\ +\ 11\ +\ 9\ +\ 15\ +\ 6\ +\ 14}{8}\\\bar x = \frac{96}{8} \\\bar x = 12

Mean = 12

6 0
3 years ago
Multiply 613 by the reciprocal of −716.
Bumek [7]

Answer:

-613/716.

Step-by-step explanation:

The reciprocal of a number is basically that number upside down. to find the reciprocal of a whole number, you can just turn the number into a fraction, and put one as the numerator, and the original number as the denominator. given this information we know that the reciprocal of -716 is -1/716, so now yoj can simply cross multiply 613 by -1/716, which gives you -613/716.

5 0
3 years ago
Solve in order of operation<br> Thanks
Greeley [361]

Answer:

b=40

c=12

Step-by-step explanation:

b) 3+7(8-6)2

10(2)2

20^2 =40

C) 4+(−3) 2 −2÷( 6/3)

4+9− 2/6/3

13-2/6/3

13-2x3/6

13-6/6

13-1

c=12

​

​

​

7 0
3 years ago
Read 2 more answers
Evaluate.<br> 8(19−6⋅2)<br> Enter your answer in the box.
Molodets [167]

Answer:

102.4

Step-by-step explanation:

Open the bracket

19-6.2=12.8

8(12.8)

8*12.8=102.4

5 0
3 years ago
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