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lina2011 [118]
3 years ago
7

Which is NOT an equation? A. 2=x B. 2x C. 2=2 D. X=2x+1

Mathematics
2 answers:
lisov135 [29]3 years ago
7 0
The answer to this question is C because all the other answers have a variable which will always have an answer beside it
Aleksandr [31]3 years ago
4 0
B is not an equation because there is no equal sign. An EQUAtion always has an equal sign that sets one side equal to the other side.
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Solve for m <br>5m - 10m = 20<br><br>can anyone help me out?​
sweet-ann [11.9K]

Answer:

m=-4

Step-by-step explanation:

5m-10m=-10m+5m=-(10m-5m)=-5m=20

divide by 5 on both sides, -m=4

miltiply by -1 on both sides, m=-4

8 0
3 years ago
Read 2 more answers
Triangle ABC has vertices A(4, 5), B(0, 5), and C(3, –1). The triangle is translated 3 units to the left and 1 unit up. What are
tankabanditka [31]

The coordinates of point B' are (-3, 6).

<h2>Given that</h2>

Triangle ABC has vertices A(4, 5), B(0, 5), and C(3, –1).

The triangle is translated as 3 units to the left and 1 unit up.

<h3>We have to determine</h3>

What are the coordinates of B' after the translation?

<h3>According to the question</h3>

Triangle ABC has vertices A(4, 5), B(0, 5), and C(3, –1).

The triangle is translated as 3 units to the left and 1 unit up.

To find the coordinates of B', we will shift the x-coordinate of point B to left by 3 units and the y-coordinate of point B to 1 unit up.

After the given transformation the coordinates of point B' would be:

\rm B(0, \ 5) = B (0-3, \ 5+1) = B(-3, \ 6)

Therefore, the coordinates of point B' are (-3, 6).

To know more about Transformation click the link given below.

brainly.com/question/26297555

6 0
3 years ago
Ten weight lifters are competing in a team weight-lifting contest. Of the lifters, 3 are from the United States, 4 are from Russ
ruslelena [56]

Answer:

(a) 65536 - the basic principle of counting

(b) 2520 - use the multinomials.  

Step-by-step explanation:

Divide 8 people among 4 schools

The teachers are different among themselves, and so are the schools.  

(a)

Every teacher can choose a school. By the basic principle of counting: 4.4.4.4.4.4.4.4 = 4^8 = 65536

different divisions of the teachers

Note: this does not ensure that every school gets a teacher  

(b) - <u>Every school gets precisely 2 teachers:</u>

to divide 8 different objects into four groups of fixed sizes 2, 2, 2 and 2, use the multinomial coefficient  

( 8   2, 2, 2, 2) = (8!)/(2!2!2!2!) ==> 2520

different divisions of the teachers

5 0
3 years ago
Six men completed a task in 24 hrs and 48 min. How long, in hours and minutes, would it take four men to complete the same task?
igor_vitrenko [27]

Answer:

It would take 4 men 37 hrs and 12 mins to complete the same task.

step-by-step explanation:

Let X be the time the four men would use to complete the task.

From the question, 6 men completed a task in 24 hrs and 48 mins

But

24 \: hrs \: 48 \: mins = 24(60mins) + 48 \: mins=1488 \: mins

Using ratio and proportion

6 \: men:1488 \: mins

4  men:x\:mins

if more, less divides and if less, more divides.

4 men required more time to complete the task

Hence:

x =  \frac{6}{4} \times 1488 \: mins

x = 2232 \: mins

x = 37 hrs 12 mins

5 0
3 years ago
Best buy is having a sale of 25% off all their computers. The original price on the computer was $1500 but there is a 8% shippin
skelet666 [1.2K]

Answer:

By 19% the computer was less than the original price  

Step-by-step explanation:

The original price on the computer was $1500

Discount is 25%= 0.25

Discount amount = 1500 * 0.25 = 375

Discounted price = 1500 - 375 = 1125

Now 8% shipping cost to discounted price

8% = 0.08

Shipping cost = 1125 * 0.08 = 90

cost of computer with shipping cost = 1125 + 90 = 1215

Percentage less = (original cost - cost of computer now ) / original cost

= \frac{1500- 1215}{1500}=0.19

To get percentage we multiply by 100

0.19 * 100 = 19%



8 0
3 years ago
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