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3 years ago

What numbers are 1.3 units from 0.4 on a number line?

Mathematics

2 answers:

antiseptic1488 [7]3 years ago

8 0

Answer:

$-0.9$ is 1.3 units left from 0.4 on a number line.

$1.7$ is 1.3 units right from 0.4 on a number line.

Step-by-step explanation:

We are asked to find the numbers that are 1.3 units from 0.4 on a number line.

We know that number to the left of 0 are negative numbers and number to the right of 0 are positive on number line.

The number 1.3 units to the left of 0.4 on the number would be $0.4-1.3=-0.9$ .

Therefore, $-0.9$ is 1.3 units left from 0.4 on a number line.

The number 1.3 units to the right of 0.4 on the number would be $0.4+1.3=1.7$ .

Therefore, $1.7$ is 1.3 units right from 0.4 on a number line.

Mashcka [7]3 years ago

3 0

The numbers would be -0.9 and 1.7

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Evaluate the expression when a= 4, b= - 2, and c= 7 - -> 5a - 9 (b - c)

ollegr [7]

Answer:

$65$

Step-by-step explanation:

Given the following question:

$5a-9(b-c)$
a = 4
b = 2
c = 7

In order to find the answer, we need to substitute the variables with the numbers given, and then solve using PEMDAS.

$5\times4-9\times(2-7)$
$2-7=-5$
$5\times4-9\times-5$
$5\times4=20$
$20-9\times-5$
$9\times-5=-45$
$20--45$
$20+45=65$
$=65$

Hope this helps.

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2 years ago

On which graph does the red point have a clear meaning?

Kobotan [32]

Answer:

The graph where the red point has a meaning is the graph C or third graph.

Step-by-step explanation:

As we can see the first and second graphs are irrelevant and have no relation between the x axis and y axis.

In graph A, the bird feeder graph is shown where the quart is a unit for liquids and pounds is a unit for solids. Thus, the red point cannot be defined.

Similarly, in graph B, height and team numbers are not related to each other in any way, so not clear meaning can be withdrawn here,

In graph C, the relation between cost of pictures and number of pictures are shown. We can very well understand here, that as the number of pictures increases, the cost increases.

So, the graph where the red point has a meaning is the graph C or third graph.

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3 years ago

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If Kareem’s living room has an area of 225 square feet, how much will he spend to carpet his living room?

g100num [7]

Answer: $ 568.99

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2 years ago

What is the volume of a cylinder with a height of 2 feet and a radius of 6 feet?

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3 years ago

If Y varies directly with X solve the following :

BARSIC [14]

Answer:

a) x = -270

b) y = 304/9 or y = 33.78

c) x = -37.8

Step-by-step explanation:

y varies directly with x so y = kx

y = kx

k = y/x

k = 10/-30 = -1/3

y = -1/3 x

If y = 90 then

90 = -1/3 x

x = 90 *(-3) = -270

k = y/x

k = -19/-4.5

k = 38/9

y = 38/9 x

If x = - 8 then

y = 38/9 *(-8)

y = 304/9 or y = 33.78

k = y/x

k = -4.3 / 12.9

k = - 1/3

y = -1/3 x

If y = 12.6 then

12.6 = -1/3 x

x = 12.6 *(-3)

x = -37.8

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2 years ago