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3 years ago

I NEED HELP With this ASAP

Mathematics

2 answers:

Alekssandra [29.7K]3 years ago

4 0

All we need to do, is take the starting point (4/10), how much we are adding by (5/10), and the end point (9/10).

We put everything together into an equation.

4/10 + 5/10 = 9/10

Best of Luck!

Crazy boy [7]3 years ago

3 0

Answer:

4/10 + 5/10 = 9/10

Step-by-step explanation:

beacause the denomenator remains the same, you need not to do anything with it. however, you add 5 to the 4 to get 9

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Write -621,000 in scientific notion

Nuetrik [128]

Answer:

-6.21 x 10^5

Step-by-step explanation:

The negative only comes when the numbers are in the decimal to right such as 0.1 when its on the left side it just mean positive power such as 6.0= a positive, negative power = 0.6 count how many numbers there are (6) then get the last number as the whole number and the rest are behind (-6.21) count all the numbers besides the last number (6) now that is your power so you get -6.21 x 10^5

6 0

3 years ago

Read 2 more answers

Mai, Eric, and Dean served a total of 103 orders on Monday. Mai served 8 more orders than Eric. Dean served 3 times as many orde

mel-nik [20]

Let the number of orders Eric served be x

Eric = x
Mai = x+ 8 [Mai served 8 more than Eric]
Dean = 3x [Dean served 3 times as many as Eric]

Given that the total is 103
x + x + 8 + 3x = 103
5x + 8 = 103
5x = 103 - 8
5x = 95
x = 19

x = 19
x + 8 = 19 + 8 = 27
3x = 19 x 3 = 57

Eric served 19
Mai served 27
Dean served 57

3 0

2 years ago

Helpppp and hurry and NO LINKS

sergeinik [125]

Answer:

Clustering

Step-by-step explanation:

that is the correct answer

6 0

2 years ago

I need to use the power rule (if m and n are real numbers and x doesn't equal 0, then (x^m)^n = x^mn... ) to simplify this fract

Keith_Richards [23]

Answer:

$= 2x^{-6}y ^{21}\\\\$

Step-by-step explanation:

Given the indicinal expression (2x^2 y^-2 / y^5)^-3

In indices

$(x^m)^n = x^{mn$

Applying to solve the question

$(2x^2 y^{-2} / y^5)^{-3}\\\\= \frac{2x^{-6}y^6}{y^{-15}}\\= 2x^{-6} * \frac{y^6}{y^{-15}} \\= 2x^{-6} * y ^{6-(-15)}\\= 2x^{-6} * y ^{6+15}\\= 2x^{-6} * y ^{21}\\= 2x^{-6}y ^{21}\\\\$

3 0

3 years ago

Eli needs pieces of ribbon cut into strips that are 2 1\2 feet long. The roll of ribbon is 7 1\2 feet long. Which expression cou

julsineya [31]

Answer: There are 3 strips that can be cut from the roll of ribbon.

Step-by-step explanation:

since we have given that

Length of a ribbon is given by

$7\frac{1}{2}\ ft\\\\=\frac{15}{2}\ ft$

Length of pieces of ribbon cut into strips is given by

$2\frac{1}{2}\ ft\\\\=\frac{5}{2}\ ft$

So, we need to find the number of strips that can be cut is given by

$\text{ Number of strips }=\frac{\text{Length of roll}}{\text{ Length of strip}}\\\\=\frac{\frac{15}{2}}{\frac{5}{2}}\\\\=\frac{15\times 2}{2\times 5}\\\\=\frac{15}{5}\\\\=3$

Hence, there are 3 strips that can be cut from the roll of ribbon.

6 0

3 years ago

Read 2 more answers