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Illusion [34]
3 years ago
8

52.) Five times a number is 45

Mathematics
1 answer:
Rom4ik [11]3 years ago
4 0
52).  5x=45    Divide each side of the equation by 5.

53).  -3x = 12   Divide each side by -3.

54).  x/4 = 10    Multiply each side by  4 .
 
55).  x/3 = -8    Multiply each side by  3 .

1).  x -10 = 12 .     Add  10  to each side.

3).  x + 8 = 16      Subtract  8  from each side.   

5).  5 + x = 6        Subtract  5  from each side.

7).  x - 4 = 9         Add  4  to each side.

Thank you for the 5 points.    The crust and warm water are delicious.
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You can text 44 words in 1 minute. Write a proportion to help you find
Natalka [10]

Answer:

176 words

Step-by-step explanation:

1) well we want to find the amount of words we'd be able to type in 4 minutes. so, what i did was:

<u>44 words</u> = <u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>x</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u>

1 minutes = 4 minutes

2) now look at how i set up the proportion, notice how i left a variable of x for the value i didn't know.

3) we also know that 1 times 4 is 4, so it'd also make sense to also multiply the numerator by 4 too!!

4) multiplying 44 by 4 would get us our answer which is 176

im not the best at math but i this explanation helped <33

5 0
3 years ago
Factor 5x4 - 30x2 - 135.
lakkis [162]

Answer:

-175

Step-by-step explanation:

5x4=20

30x2=60

20-60=-40

-40-135=175

I hope this helps!

7 0
3 years ago
All of the following are types of triangles except
prisoha [69]
C. reflex, because all of the others are triangles
6 0
3 years ago
I dont understand this question, i did the factor of 36x^2 - 49 but I dont understand the second part
Nadya [2.5K]

Answer:

a = 6

b = 7

Step-by-step explanation:

Since both 36 and 49 are perfect squares, you can find their square roots which are 6 and 7.

To check to see if it is correct, replace the a with 6 and replace the b with 7, then evaluate the exponents.

8 0
3 years ago
Simplify.<br> 2 x (3-1) + 3<br> 07<br> 8<br> O 10<br> O 11
myrzilka [38]

Answer:

7

Step-by-step explanation:

2 x (3-1) + 3

Evaluate using PEMDAS

Parenthesis

Exponents

Math and Division ( left to right )

Addition and Subtraction ( left to right )

2 x (3-1) + 3

According to PEMDAS we do the operations inside of the parenthesis first

3 - 1 = 2

We now have: 2 x 2 + 3

Next we do exponents

There are no exponents so let's move on to multiplication and division

There is indeed multiplication so we do it

2 x 2 = 4

We now have: 4 + 3

Finally we do the addition

4 + 3 = 7

The answer is 7

4 0
3 years ago
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