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Daniel [21]
3 years ago
6

Which expression is equivalent to 4 – (-7) a 7+ 4 b 4 - 7 c-7 - 4 d -4 + 7

Mathematics
2 answers:
bekas [8.4K]3 years ago
8 0

Answer:

a

Step-by-step explanation:

4 + 7 = 11. subtracting a negative number is the same as adding

amid [387]3 years ago
6 0

Answer:

A. 7 +4

Step-by-step explanation:

4 -( - 7 )

4 + 7

7 + 4

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James invests $5,000 at an annual rate of 8% simple interest for 7 years. How much is in the account
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$8,569.12

Step-by-step explanation:

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Convert the following base numbers​
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350 because of the concert I’m just kindling I need points
5 0
2 years ago
27.38 + 384 -<br> I don’t know the answer can I please have some help
Katen [24]

Answer:

411.38

Step-by-step explanation:

When you add 27.38 and 384 together, you get 411.38.

3 0
2 years ago
If you graph 2y+8=6x^2-10x what will be the y intercept?
Rufina [12.5K]

Answer:

Y intercept will be -4.

Step-by-step explanation:

Here we are given our function as

2y+8=6x^2-10x

We are asked to determine the y intercept.

The y intercept is the y ordinate of the coordinates of the point at which the graph of the function intersects the y axis.

Please note that the point at which graph cuts the y axis have x=0

Hence in order to determine y intercept we need to put x=0 in our function and solve it for y :

2y+8=6x^2-10x2y+8=6x^2-10x

Putting x =0

2y+8=6x^2-10x2y+8=6(0)^2-10(0)

2y+8=6x^2-10x2y+8=0-10(0)

2y+8=6x^2-10x2y+8=0

subtracting both sides by 8

2y+8=6x^2-10x2y=-8

dividing both sides by 2

=-4

8 0
3 years ago
The box plots below show the distribution of salaries, in thousands, among employees of two small companies.
Shtirlitz [24]

Answer:

Mean and IQR

Step-by-step explanation:

The measure of centre gives the central or the measure which gives the best mid term of a distribution. Based in the details of the box plot, the median is the value which divides the box in the box plot.

For company A:

Range = 25 to 80 with a median value at 30 ; this means the median does not give a good centre measure of the distribution ad it is very close to the minimum value. This goes for the Company B plot too; with values ranging from (35 to 90) and the median designated at 40.

Hence, the mean will be the best measure of centre rather Than the median in this case.

For the variability, the interquartile range would best suit the distribution. With the lower quartile and upper quartile both having reasonable width to the minimum and maximum value of the distribution.

7 0
2 years ago
Read 2 more answers
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