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Wewaii [24]
3 years ago
9

Find the sum. (5-21) + (-7+81)

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
6 0
58

First solve what is inside the parentheses (PEMDAS)

(5-21)+(-7+81)
(-16)+(74)
Add
58

Hope this helps! :)
Rom4ik [11]3 years ago
4 0

Answer:

58

Step-by-step explanation:

(5-21) is -16 and (-7+81) is 74,so 74+-16 is 58

Mark me brainliest if this helped:D

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3x - 5 =

divide 3 on both sides 

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3 0
3 years ago
The sum of 4 consecutive integers is 26. What is the least of 4 integers?
Veseljchak [2.6K]

Answer:

5

Step-by-step explanation:

it is 5 because 5 + 6 + 7 + 8 =26

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3 years ago
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A jewellery shop sells 240 necklaces in a month 180 of the necklaces were sold via the shop website work out the simplest form
Dovator [93]

Answer:

3 : 1

Step-by-step explanation:

A jewellery shop sells 240 necklaces in a month 180 of the necklaces were sold via the shop website work out the simplest form. The rest were sold in a High Street shop.

Work out the ratio of online sales to shop sales.

Give your answer in its simplest form.

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to convert to simplest form, divide both numbers by 60

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4 0
2 years ago
Consider a triangle ABC like the one below. Suppose that a =53, b=18, and A=130º. (The figure is not drawn to scale.) Solve the
ddd [48]

Answer:

B = 15.1°, C = 34.9°, c = 39.6

Step-by-step explanation:

law of sines

53/sin 130 = 18/sin B

sin B = .26;   B = 15.1°

C = 180 - 15.1 - 130 = 34.9°

c/sin 34.9 = 53/sin 130

c = 39.6

8 0
3 years ago
Swati is substituting t=5 and t=9 to determine if the two expressions are equivalent.
horrorfan [7]

Answer:

No the two expressions are not equivalent.

Step-by-step explanation:

the given two expressions t=5 and t=9 are not equivalent because t being a variable cant take two numbers at a same time.however if they are placed in given two expressions of 't' such that that they give equal value when the first expression gives a value 'a' at t=5 while the other expression gives a value 'a' at t=9 then those two expressions will be equal.


4 0
3 years ago
Read 2 more answers
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