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erastova [34]
3 years ago
7

Enver has a $20 gift card for a smoothie shop. He calculates that if he buys a smoothie for $5.10 and a pack of almonds for $1.9

0, he will have $17.30 left on his card. Which best shows whether or not this is a reasonable answer, and why?
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
5 0
$17.30 is not a reasonable answer because the smoothie and the almonds costed $7 which would leave the $20 gift card with $13 remaining.
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-4-3 (6x + 9) = 41?<br> Explain what to do first and what is the answer
lara31 [8.8K]

Answer:

x = -2

Step-by-step explanation:

- 3 x - 6x = -18x

- 4 - 18x + 9 = 41

9 - 4 = 5

- 18x + 5 = 41

- 18x = 41 - 5

- 18x = 36

36 divided by -18 is -2

8 0
3 years ago
HELP HELP HELP HELP help help
SVETLANKA909090 [29]

Answer:

r  = 6

Step-by-step explanation:

To get the value of r we will use the pythagoras theorem a shown;

PR² = QR² + PQ²

(4+r)² = 8² + r²

Expand

16+8r+r² = 64 + r²

16 + 8r = 64

8r = 64 - 16

8r = 48

r = 48/8

r = 6

Hence the value of r is 6

7 0
3 years ago
Expand 2(p+q) ??????
soldier1979 [14.2K]

Answer:

2p+2q

Step-by-step explanation:

7 0
2 years ago
157 29 Marks
AlekseyPX

Complete question :

Put these fraction in order of size smallest to largest : 7/10, 2/3, 4/5, 11/15

Answer:

2/3, 7/10, 11/ 15, 4 /5

Step-by-step explanation:

In other to make solving the question easier, we can convert the fractions to decimal in other to make comparison easier :

7/10 = 0.7

2/3 = 0.667

4 /5 = 0.8

11 /15 = 0.733

Using the placement or how the numbers will appear to the right of a number line ;

0.667, 0.7, 0.733, 0.8

Thus we have :

2/3, 7/10, 11/ 15, 4 /5

3 0
3 years ago
What value or values of x satisfy 2x + 5.31 = 4.2?
Softa [21]

Answer:  x can equal -3.2 or -7.4.

Step-by-step explanation:

The correct expression is:

2|x+5.3|=4.2

So, we have an absolute value equation, where it can be positive or negative:

  • Positive

2 (x+5.3)=4.2

2x+10.6 =4.2

2x=4.2-10.6

2x = -6.4

x= -6.4/2

x = -3.2

  • Negative

2[-(x+5.3)]=4.2

-2x-10.6 =4.2

-2x= 4.2+10.6

-2x= 14.8

x= 14.8/-2

x= -7.4

x can equal -3.2 or -7.4.

Feel free to ask for more if needed or if you did not understand something.  

3 0
3 years ago
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