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Eduardwww [97]
3 years ago
11

Analyze Manda’s work. Is she correct? If not, what was her mistake?

Mathematics
2 answers:
ELEN [110]3 years ago
7 0

Answer: 3. 100x= 27

Step-by-step explanation: Yes, she is correct.

In step 2, she needed to multiply both sides by 10.

In step 3, she did not subtract one x from the left side.

In step 4, she did not simplify her fraction.

forsale [732]3 years ago
4 0

Answer:

Step-by-step explanation: step 3 is the answer

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Carolyn flips a coin 20 times and writes down the results of each flip. Is this event independent or dependent? Explain.
Alex

Answer:

Dep

Step-by-step explanation:

I guess Dep., Because Depending on which side it lands Is the outcome.

8 0
3 years ago
Do the table and the equation represent the<br> same function?<br> y = 390 + 11(x)
Aneli [31]

Answer:

NO

Step-by-step explanation:

  • Try to replace x by -50
  • y= 390 + 11*(-50) = -160
  • in the table we have -210 so the table doesn't represent the equation
5 0
3 years ago
how many 4 digit numbers n have the property that the 3 digit number obtained by removing the leftmost digit is one ninth of n
Tom [10]

Answer:

  7

Step-by-step explanation:

We want to find the number 4-digit of positive integers n such that removing the thousands digit divides the number by 9.

__

Let the thousands digit be 'd'. Then we want to find the integer solutions to ...

  n -1000d = n/9

  n -n/9 = 1000d . . . . . . add 1000d -n/9

  8n = 9000d . . . . . . . . multiply by 9

  n = 1125d . . . . . . . . . divide by 8

The values of d that will give a suitable 4-digit value of n are 1 through 7.

When d=8, n is 9000. Removing the 9 gives 0, not 1000.

When d=9, n is 10125, not a 4-digit number.

There are 7 4-digit numbers such that removing the thousands digit gives 1/9 of the number.

8 0
2 years ago
Which are partial products for 68 × 43?
blagie [28]

Partial products are the products obtained during the intermediate stages in order to complete a multiplication process.

Consider 68 \times 43, we have to determine the partial products in this.

Now, 68 \times 43

Expanding this, we get

(60+8) \times (40+3)

= (60\times 40) +(60 \times 3) + (8 \times 40) + (8 \times 3)

= 2400 + 180 + 320 + 24

= 2924

Hence, 8 \times 40=320 and 8 \times 3 = 24 are the required partial products in the product of 68 and 43.

So, Option 3 and 4 are the correct answers.

3 0
2 years ago
Find the value of x in the figure below. Show your work.
dalvyx [7]

Answer:

Step-by-step explanation:

Triangles equal to 180 degrees.

Since you’re given the degrees of the 2 angles of the triangle, heres what youll do:

Add the two given degrees

70+55

Minus that from 180 to get x.

Hope that helps.

6 0
3 years ago
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