All categories

3 years ago

3/10+(-1/3) Subtract. 10. 14 - (-8)13. 2/3-3/2

Mathematics

1 answer:

Ierofanga [76]3 years ago

5 0

Answer:

See below in bold.

Step-by-step explanation:

3/10 + (-1/3)

= 3/10 - 1/3

Convert the fractions to denominator 30:

= 9/30 -10/30

= -1/30.

10. 14 - (-8)

= 14 + 8

= 22.

13. 2/3 - 3/2

The least common denominator is 6 so we have:

= 4/6 - 9/6

= - 5/6.

You might be interested in

Vocabulary Review List the five inequality symbols. Help me please

laiz [17]

Answer:

Greater than, less, than, equal to, greater or equal to, less than or equal to

Step-by-step explanation:

7 0

4 years ago

Graph the image of this triangle after a dilation with a scale factor of 2 centered at the origin.

Svet_ta [14]

Answer:

Since, the coordinates of the given triangle are (0,0), (4,-4) and (-4,-2)

In the dilation by the scale factor k with centered at origin,

$(x,y)\rightarrow (kx,ky)$

Thus, If the dilation occurs by the scale factor of 2 with centered at origin,

New coordinates of the triangles are,

$(0,0)\rightarrow (2\times 0, 2\times 0)$

$(-4,4)\rightarrow (2\times -4, 2\times 4)$

$(-4,-2)\rightarrow (2\times -4, 2\times -2)$

Thus, the coordinates of new triangle are,

(0,0) ( -8, 8) and (-8,-4)

7 0

3 years ago

In order to measure the dispersion of a random variable, look at its a. standard deviation. b. mean. c. expected value. d. avera

Sphinxa [80]

Answer:

a. standard deviation

Step-by-step explanation:

Dispersion is a measure of variability in a given data i.e the level or extent of spread of a data. This can easily be measured for a random variable by considering its standard deviation.

The standard deviation would show the extent to which each value is different from the mean. Thus showing the extent of the dispersion of variables.

Therefore, to measure the dispersion of a random variable, look at its standard deviation.

8 0

3 years ago

Please help me i cant get this i. honestly just need someone to give the answers for this lesson

Likurg_2 [28]

Area of the triangle = (1/2)*base* height = (1/2)*3*6 = 9 sm²
We have 4 triangles like this one ,
so area of 4 triangles = 9*4 = 36 cm².
Area of the square = 3*3 = 9 cm²

Surface area here means area all triangles + area of the square =36 +9 =
= 45 cm ²

Answer is 45 cm².

7 0

3 years ago

Given m||n, find the value of x

motikmotik

Answer:

The answer is 104 degrees.

Step-by-step explanation:

M is equivalent to N, which means x is also 104 degrees.

4 0

4 years ago

3/10+(-1/3) Subtract. 10. 14 - (-8)13. 2/3-3/2​

3/10+(-1/3) Subtract. 10. 14 - (-8)13. 2/3-3/2