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3 years ago

You decide to work out your weekly pay by using the following formula:

Mathematics

1 answer:

prisoha [69]3 years ago

5 0

If the formula is weekly pay=dhr*d, then you plug in all your information, your work should look like this:

weekly pay=5(8)*6.88

weekly pay=40*6.88

weekly pay=275.20

So you would make 275.20 before taxes.

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Damon says that to write 1 63/100 as a sum of unit fractions, you need 163 addends. Kenya says that you need 64 addends. Who is

stealth61 [152]

Damon is right because the 1 is actually 100/100 so 100 + 63 is 163.

7 0

3 years ago

Which statement is true about the determinant of a matrix?

Allushta [10]

I have answered this question
3. If two row interchanges are made in succession, then the new determinant equals the old determinant

7 0

3 years ago

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first number plus twice a second number is 8. Twice the first number plus the second totals 31. Find the number

ryzh [129]

Answer:

1st number = 18

2nd number = -5

Step-by-step explanation:

Let x be first number and y be the 2nd number.

We have been given that first number plus twice a second number is 8. We can represent this information as:

$x+2y=8...(1)$

We are also given that twice the first number plus the second totals 31. We can represent this information as:

$2x+y=31...(2)$

Now let us solve our system of equations using substitution method.

From equation (1) we will get,

$x=8-2y$

Substituting $x=8-2y$ in equation (2) we will get,

$2(8-2y)+y=31$

$16-4y+y=31$

$-4y+y=31-16$

$-3y=15$

$y=\frac{15}{-3}$

$y=-5$

Therefore, the second number is -5.

Now let us substitute y=-5 in equation (1).

$x+(2*-5)=8$

$x-10=8$

$x=8+10$

$x=18$

Therefore, the first number is 18.

4 0

3 years ago

What is the equation for a circle given its center is at (4, -1) and its radius is 5? 1(x - 4)2 + (y + 1)2 = 25 2(x + 4)2 + (y -

umka2103 [35]

Answer:

(x - 4)² + (y + 1)² = 25

Step-by-step explanation:

Circle Formula: (x - h)² + (y - k)² = r²

We are given r, and (h, k), so simply plug them into the formula to get your answer.

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4 years ago

5p = 1/15 what does p equal?

JulijaS [17]

Answer:

(:5) 5p=1/15 (:5)

p=1/3

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4 years ago

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