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liubo4ka [24]
3 years ago
8

Step by step explanation

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
7 0

Answer:

x/5 + 2 = 4

Step-by-step explanation:

x/5 + 2 = 4

x/5 = 2

x = 10

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Evaluate 5(6) -c ifc=7
ahrayia [7]
23.

Work:
5(6)-7
5(6)=30
30-7=23
5 0
3 years ago
Read 2 more answers
If -3 is a zero of f(x)= x^3+x^2-21x-45, find all of its zeros and their multiplicities
mr_godi [17]

Answer: the zeros are -3, -3 and 5

Multiplicity is 2

Step-by-step explanation:

5 0
3 years ago
Find the distance between the two points rounding to the nearest tenth (if necessary). (-7, -5)(-3, 4)
aleksklad [387]

Answer:

9.8 ( to the nearest tenth )

Step-by-step explanation:

calculate the distance using the distance formula

d = √( x₂ - x₁ )² + ( y₂ - y₁ )²

with (x₁, y₁ ) = (- 7, - 5) and (x₂, y₂ ) = (- 3, 4)

d = \sqrt{(-3+7)^2+(4+5)^2} = \sqrt{16+81} = \sqrt{97} = 9.8


4 0
3 years ago
Find the area of triangle ABC. Give your answer correct to 1 decimal place AC=7 Cb=12 a=72 degrees b=59 degrees
Tems11 [23]

Answer:

31.7 cm²

Step-by-step explanation:

The area (A) of the triangle is calculated as

A = \frac{1}{2} absinC

where a, b are the 2 sides given and C the angle between them

∠ C = 180° - (72 + 59)° = 180° - 131° = 49° , thus

A = 0.5 × 12 × 7 × sin49° ≈ 31.7 cm² ( to 1 dec. place )

3 0
3 years ago
1 4th plus 5 8th equals
Finger [1]
These two have different denominators, so you find the least common multiple. This problem goes to be 2/8+5/8, which equals 7/8。
8 0
3 years ago
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