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Vinil7 [7]
3 years ago
13

Simplify the expression 5 + (15 + x). A. 5x + 20 B. x + 20 C. x + 5 D. x+ 15

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
4 0

Answer:

B

Step-by-step explanation:

You can't do anything in the parentheses because you can't add x to 15 yet since x is unknown. Thus, you add 5 to 15 and get 20 + x or B, x + 20

allochka39001 [22]3 years ago
3 0

Answer:

the answer is B

I hope you a good day!

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Math riddle!
daser333 [38]

Answer:

47

Step-by-step explanation:

There are total 52 cards.

Certain number of cards are lost.

When divided by 4, leaves 3 cards remain ; 51, 47, 43, 39, . . .

When divided by 5, leaves 2 cards remain : 47, 42, 37, 32, . . .

When divided by 3, leaves 2 cars remain : 50, 47, 44, 41, . . .

The common number among the three is 47.

8 0
3 years ago
2) Write the first five terms of the arithmetic sequence, if:<br> a3=8<br> a11=32
padilas [110]

Answer:

a

Step-by-step explanation:

the five terms for arithmetic is that

5 0
3 years ago
I think it the third one but need a double check
makkiz [27]

Answer:

The first answer is correct.

Step-by-step explanation:

Line 5 says that the reason is due to substitution

Line 3 says m∠ SQT equals 180°

If we substitute 180° into the spot for m∠ SQT in line 4, we get solution option 1

8 0
3 years ago
Andrew ran 20 miles last week (at the same pace) and spent a total of 150 minutes running. If he runs for 240 minutes this week,
swat32
Andrew will run 32 miles.

Explanation:
If you divide the time Andrew ran by the miles he ran, you’ll get 7.5 minutes per mile. Then, if you divide 240 minutes by 7.5, you get 32 miles.
5 0
3 years ago
Read 2 more answers
Ok at this triangle.<br> B<br> 11 cm<br> 4 cm<br> A<br> C<br> workout length AC.
Naddik [55]

Answer:

<c =90 ° So, Pythagoras theorem can be used, Hypotenuse ² = base ² + altitude ²AB²=AC²+BC²11²=AC²+4²11²-4²=AC²121-16=AC²Root 105=ACAC=10.2 cm

Step-by-step explanation:

Mark me brainliest!!

8 0
2 years ago
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