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hammer [34]
3 years ago
5

Add 12 and 8 and then divide by 8 as an expression help please

Mathematics
2 answers:
Black_prince [1.1K]3 years ago
7 0

Answer:

(12 + 8)/8 = 2.5

erastova [34]3 years ago
6 0

Answer:

12 + 8/8 =?

20/8 =?

20/8 = <u>2</u><u>.</u><u>5</u>

Step-by-step explanation:

•°•°•°•°•°•°•

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It cost 17 and $.70 send 170 in text messages how many text messages did you send if you spent $19.10?
ZanzabumX [31]

Answer:

184

Step-by-step explanation:

17.70 / 170 = .104 per text

19.10 / .104 = 183.65 round up to 184

6 0
3 years ago
What’s the length of the new fence?
natulia [17]
We apply the Pythagorean theorem twice and obtain:
 12 ^ 2 = x ^ 2 + (15-d) ^ 2
 9 ^ 2 = x ^ 2 + d ^ 2
 We observe that it is a system of two equations with two unknowns whose solutions are:
 (x, d) = (-36/5, 27/5)
 (x, d) = (36/5, 27/5)
 We ignore the negative solution, therefore, the solution is:
 (x, d) = (36/5, 27/5)
 Answer:
 
The length of the new fence is:
 
x = 36/5 meters
7 0
3 years ago
Factorise -75ab² - 15ac
krok68 [10]

Answer:

9) 51 × 10⁻⁵ = 0.00051

10) Cash price = #54,000 × (1 - 0.125) = #47,250

11) -40·p·q÷(-2)² = -10·p·q

12) 0.003 × 0.045 = 1.35 × 10⁻⁴

13) N40°W = 320°

14) The base diameter of the cylinder = √(4 × (700×π cm³/7)/π) = 20 cm

15) The LCM of 2·x²·y, 3·x·y² is 12·x²·y²

16) 636,000 = 6.36 × 10⁵

17) 1/3·π·r²·h₁ = π·r²·h₂

h₂/h₁ = 1/3·π·r²/( π·r²) = 1/3

h₂/12 =  1/3

h₂ = 12/3 = 4 cm, the height of the cylinder = 4 cm

18) The angle = 180 + 45 = 225°

19) The total surface area = 22/7×14²/4 +  22/7 ×14 × 20 = 1034 cm²

20) The number is 58/2 = 29.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
A contractor digs a hole for the basements of a new house that is 40 feet long and 10 1/2 feet deep. What is the width of the ho
34kurt
D. 15.5

40*10.5 = 420

6510/420 = 15.5
7 0
3 years ago
[ Will give brainliest! ]
algol13
The answer is C
If the two chords intersect each other, that means that they must both be diameters. That means that JL + NL has to be equal to KL + ML. Because they are both diameters, they both have to be equal to each other. The only choice that satisfies this condition is C where both of the diameters are 16 in long.

Hope this helps :)
3 0
3 years ago
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