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GalinKa [24]

3 years ago

middle" class="latex-formula">

Mathematics

2 answers:

Ostrovityanka [42]3 years ago

5 0

You can subtract a negative number from a positive number or add a positive number to a negative number

Example:

4 - (7) = -3

Or

-8 + 9 = 1

Whatever you are adding has to be greater than the number you are adding on too

Example:

-3 + 5 = 2
Notice how the five is greater than 3

Whatever you are subtracting has to be Greater than the number you are subtracting from.

Example:

5 - 8 = -3
Notice how the eight is greater than five.

The situation changed when adding or subtracting with negative numbers. Every situation is different.

Hope this helps!

Good Luck!

Lera25 [3.4K]3 years ago

3 0

You can subtract a negative number from a positive number or add a positive number to a negative number

Example:

4 - (7) = -3

-8 + 9 = 1

Whatever you are adding has to be greater than the number you are adding on too

Example:

-3 + 5 = 2

Notice how the five is greater than 3

Whatever you are subtracting has to be Greater than the number you are subtracting from.

Example:

5 - 8 = -3

Notice how the eight is greater than five.

The situation changed when adding or subtracting with negative numbers. Every situation is different.

Hope this helps!

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3. What is the area of the triangle below? Round your

Jobisdone [24]

Answer is A because when you work it out the area is 110.500 and rounding it makes it -

8 0

4 years ago

the volume of a triangular prism is 42 cubic centimeters. what is the volume of a similar prism that is twice as large as large

Dmitriy789 [7]

Answer:

The volume of the similar prism is $336\ cm^{3}$

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z-----> the scale factor

x----> the volume of the larger prism

y----> the volume of the smaller prism

$z^{3}=\frac{x}{y}$

In this problem we have

$z=2$ -----> the scale factor

$y=42\ cm^{3}$

substitute and solve for x

$x=42(2^{3})=336\ cm^{3}$

3 0

3 years ago

In science class, the students observed 24 of the 300 frogs from the local aquarium. If 6 of the frogs observed had spots, how m

Alona [7]

Answer:

225 frogs

Step-by-step explanation:

Total population of frogs = 300 frogs.

Observed population of frogs = 24

6 of the 24 observed frogs had spots

Which means , the number of frogs that did not have spots = 24 - 6 = 18 frogs.

We were told to find how many of the total population can be predicted to NOT have spots. We would form a proportion.

If 24 frogs = 18 frogs with no spots

300 frogs = Y

Cross multiply

24Y = 300 × 18

Y = (300 × 18) ÷ 24

Y = 5400 ÷ 24

Y = 225 frogs.

This means out of 300 frogs, 225 frogs do not have spots.

Therefore, the total population that can be predicted to NOT have spots is 225 frogs.

the total population can be predicted to NOT have spots

3 0

3 years ago

A company pays a bonus to four employees A, B, C, and D. A gets four times as much as B. B gets 50% of the amount paid to C. C a

Tomtit [17]

Answer:

A = 800, B = 200, C = 400 Andy D = 400

Step-by-step explanation:

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3 years ago

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AveGali [126]

Answer:

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<em>Step by step explanation:</em>

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2 years ago

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