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Misha Larkins [42]
2 years ago
11

Which expression equivalent to -49(4)+2/3?

Mathematics
1 answer:
gulaghasi [49]2 years ago
7 0

Answer:

-195.34

Step-by-step explanation:

Given data :

-49(4)+\frac{2}{3}

It can be calculated as :

-196+0.66

-195.34

Therefore, given expression is equivalent to -195.34

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(9,-6)

Step-by-step explanation:

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Find the ratio created when AB is partitioned by C.
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Step-by-step explanation:

From the picture attached,

Segment AB has been divided into four equal parts.

Let each part measures equal length = 1 unit

Point C is 2 units apart from both the points A and B.

Length of AC = Length of BC = 2 units

Therefore, point C will be the mid point of segment AB.

And ratio of AC and BC = 1:1

AC:BC = 1:1

Similarly, AC:AB = 2:4

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And BC:AB = 2:4

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3 years ago
90 hazelnuts have a mass of 125 g. Hazelnuts have 630 calories per 100 g. work out the number of calories per hazelnut
jenyasd209 [6]

90 hazelnuts = 125g

Therefore, the mass of one hazelnut is this...

90 / 90 = 125 / 90

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630 / 72 = 1 hazelnut

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If the 7th of an AP is equal to 11 times the 11th term, find the 18th term
Zina [86]

Answer:

-33 or 33

Step-by-step explanation:

The seventh term of an AP is written as:

a + 6d

The eleventh term of an AP is written as:

a + 10d

If the 7th term is 11 times the 11th term, then;

a + 6d = 11(a + 10d)

Expand to get:

a + 6d = 11a + 110d

11a - a = 6d - 110d

10a =  - 104d

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\frac{a}{d}  = -   \frac{52}{5}

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Or

a=52 and d=-5

For the first case, the 18th term is :

- 52 + 5 \times 17 = 33

For the second case,

52 - 5 \times17 =  - 33

3 0
3 years ago
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