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3 years ago

Will the opposite of a positive number always sometimes or never be a positive number

Mathematics

2 answers:

BlackZzzverrR [31]3 years ago

4 0

Answer: Never

Step-by-step explanation: The opposite of all positive numbers are negative.

ahrayia [7]3 years ago

3 0

Never be a positive number.

Opposite means its on the opposite side of the number line.

For example, the opposite of 5 is -5.

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VMariaS [17]

Answer:

x= 88

Step-by-step explanation:

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3 years ago

ABCD is a parallelogram. If a CDA - 57 then BCD-_?

Paha777 [63]

Answer:

Step-by-step explanation:

It is given in the question that length CDA = 57.

Since the shape is a parallelogram, then we know that length AD=BC and AB=CD.

CDA = CD + AD

BCD = BC + CD

Since BC=AD and CD=CD

BCD = BC + CD is the same as CD + AD = CDA

Therefore BCD is the same length as CDA = 57

In other words, CDA is made up of a long side and a short side = 57

BCD is also made up of a long side and a short side, and since the longs sides are equal to each other and the short sides are also equal to each other in a parallelogram, BCD is the same length as CDA = 57.

Hope this helped!

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3 years ago

Margaret’s bottle of shampoo is 7/8 full. She uses 1/3 of the shampoo in the bottle to wash the dog. Estimate what fraction of s

AleksandrR [38]

Fraction of shampoo left = $\frac{13}{24}$

Solution:

Given fraction of full shampoo $=\frac{7}{8}$ .

Fraction of shampoo Margaret used $=\frac{1}{3}$

Fraction of shampoo left = Full shampoo – fraction of shampoo used

$=\frac{7}{8}-\frac{1}{3}$

To make the denominators same do cross multiplication.

$=\frac{7\times3}{8\times3}-\frac{1\times8}{3\times8}$

$=\frac{21}{24}-\frac{8}{24}$

$=\frac{21-8}{24}$

$=\frac{13}{24}$

Hence $\frac{13}{24}$ of the shampoo bottle is left.

8 0

3 years ago

50 grams/centimeters= kilograms/meters

Lubov Fominskaja [6]

Answer:

50 grams to kilos is 0.05

50 centimeters to meters is 0.5

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3 years ago

Find the missing measure in a right triangle if a= 9 ft and b = 12 ft.

Lena [83]

Answer:

c = 15 ft

Step-by-step explanation:

a^2 + b^2 = c^2

9^2 + 12^2 = c^2

c^2 = 225

c = √225

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3 years ago