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Dmitry [639]
2 years ago
8

How do I solve 5(1 − x) + 2(x + 3) ?

Mathematics
1 answer:
Korvikt [17]2 years ago
5 0

Answer:

11-3x

Step-by-step explanation:

1) Multiply 5(1-x). To do this, you multiply 5 by both x and 1. You should get     5-5x.

1) Next, multiply 2(x+3). You should get 2x+6.

3) Finally, add like terms. Add 2x and -5x together and add 6 and 5 together. You should get -3x and 11.

The answer is 11-3x.

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Abby needs 3 3 4 cups of flour to make a cake. Her measuring cup holds 1 8 cup. How many times should she fill the measuring cup
Xelga [282]

Answer:

If its 3 3/4, she should fill it less than once. If its 334 cups, I'm not sure.

Step-by-step explanation:

6 0
3 years ago
Write 43 as a sum of powers of 2.<br> (2 Has to be the Base not the exponent)
slamgirl [31]

Answer:

2⁰ + 2¹+ 2⁵ +2³ = 43

Step-by-step explanation:

since 43 is odd, we know 2⁰ or 1 must be one of the sums

43 - 2⁰ = 42

42 - 2¹ = 40

16 = 2⁴

40-2(16) = 40 - 2⁵ = 8

8 = 2³

adding this all together

2⁰ + 2¹+ 2⁵ +2³ = 43

6 0
3 years ago
Please help. I need to know the strategy, the correct work, and to identify the error.
zysi [14]

Answer:

See below

Step-by-step explanation:

13x + 5 + 17x - 4.5 + x

NOTE: You can only add/subtract LIKE terms . Here we have  variable terms in x  (13x , 17x and x) and 2 constants ( 5 and 4.5).

Sarah's next line is

18x + 17x - 4.5 + x

This is incorrect . It looks like she  added 13x + 5 and got 18x!! Which is of course wrong because they are NOT LIKE terms. 5 is a constant and 13x is a variable term in x.

The third line is correct:-

35x - 4.5 + x.

She has added the 2 variables 17x and 18x.

Fourth line  is  30.5x + x. She's at it again - Trying to subtract 4.5 from 35x .

Last line 31.5x

She has added  the 2 terms in x correctly, but the final answer is wrong of course due to the earlier errors.


7 0
2 years ago
Plot a point on the number line below that is the opposit of -1 3/4
MAVERICK [17]

Answer:

1 3/4 is the answer.

Step-by-step explanation:

Using Absolute Value to find the opposite of -1 3/4,

l -1 3/4 l is 1 3/4

3 0
2 years ago
Help on threethx so much
Maru [420]

The answer is 1.5. We can find this by arranging the data set from least to greatest, 011234, and then finding the middle number. Since the amount of spaces is even, we need to find the number in between 1 and 2. The answer is 1.5!

Please mark brainliest.

Hope this helps!


3 0
3 years ago
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