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guajiro [1.7K]
3 years ago
14

Find the value of y given the value of x for y = 3 -4.3x when x = -3

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
6 0

Answer:

Step-by-step explanation:

y=3-4.3x

y=3-(4.3*3)

y=3-12.9

y=-9.9

ohaa [14]3 years ago
4 0

Answer:

y = 15.9

Step-by-step explanation:

y = 3 - 4.3x

y = 3 - 4.3(-3)

y = 3 + 12.9

y = 15.9

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Can someone help me on this math problem ?
faltersainse [42]

Answer:

4/3

Step-by-step explanation:

Given two points, we can find the slope by using

m = (y2-y1)/(x2-x1)

    = (20 - -16)/(7 - -20)

    = (20+16)/(7+20)

    = 36/27

   =4/3

8 0
3 years ago
So sánh 198*202 và 200^2
Ber [7]

Step-by-step explanation:

198×202=39,996

200×200=40,000

hence,

39,9996 < 40,000

hope it helps

5 0
3 years ago
A survey on healthy choices was given to gym members at Work It Out. The results
irina [24]

Answer:

The correct option is 4) 0.72.

Step-by-step explanation:

Consider the provided information.

Let us consider that there are 100 members.

(Note: you can take any number the answer will remain the same.)

90% of its members drank protein shakes and of the members who drank  protein shakes.

90% of 100 is 90.

Thus, 90 members drank protein shake.

Of the members who drank   protein shakes, 30% took weight-loss medication.

30% of 90 is 27.

That means 27 out of 90 took weight loss medication.

Out of 100 members 90 drank protein shakes that means 10 members does not take protein shakes.

Only 10% of members  who did not drink protein shakes took weight-loss medication.

10% of 10 is 1, that means 1 member out of 10 took weight loss medication.

Thus the required table is:

                                        Medication   Not Medication      Total

Drank shakes                       27                   63                      90

Doesn't Drank shakes          1                      9                        10

Total                                      28                   72                     100

Now we need to find the probability that a gym member does not take weight-loss medication.

72 out of 100 members does not take weight-loss medication.

Therefore, the required probability is: \frac{72}{100}=0.72

Hence, the correct option is 4) 0.72.

5 0
3 years ago
Add polynomials: (3 – 4x + 8x2) + (–6 + 2x – 5x2)
Ierofanga [76]

Answer:

The sum of the polynomials in the equation is 3x² - 2x - 3

Step-by-step explanation:

(3 - 4x + 8x²) + (-6 + 2x - 5x²)

Distribute the positive sign to (-6 + 2x - 5x²). So all of these terms will stay the same and maintain their original signs.

3 - 4x + 8x² - 6 + 2x - 5x²

Combine like terms.

- 3 - 2x + 3x²

Now put the equation in standard form. This means that the exponential numbers will be ordered in descending order.

3x² - 2x - 3

8 0
2 years ago
Read 2 more answers
Mark said that the product of 0.02 and 0.7 is 14. Mark is wrong. What is the product​
vovikov84 [41]

Answer:

0.007

Step-by-step explanation:

2 times 7 is 14 and you move the decimal 3 times

3 0
3 years ago
Read 2 more answers
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