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3 years ago

Mrs Blackwell gives each of her students two pencils how may pencils did she hand out

Mathematics

2 answers:

jeyben [28]3 years ago

7 0

Answer:

The answer is 2 times x.

Step-by-step explanation:

X is the number of students. If each of the student received 2 pencils then you multiply 2 by the number of students.

katovenus [111]3 years ago

4 0

It is 2 × X where x is the amount of students she has

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How does writing 3.441 in expanded form show why the same digit can have different values?

Olegator [25]

Answer:
Standard Form:

3.441

Expanded forms can be written
like a sentence or stacked for
readability as they are here.

Expanded Numbers Form:

 3 + 0.4+ 0.04+ 0.001
Expanded Factors Form:

 3 ×1 +4 × 0.1+4 × 0.01+1 × 0.001
Expanded Exponential Form:

3 × 100+4 × 10-1+4 × 10-2+1 × 10-3
Word Form:

three and
four hundred forty-one thousandths

3 0

3 years ago

Read 2 more answers

valentinak56 [21]

Answer:

Step-by-step explanation:

Slope- intercept form

y= mx +c, where m is the slope and c is the y-intercept.

The given equation is in the slope-intercept form and hence we can easily identify its slope by looking at the coefficient of x.

y= 2x +7

slope= 2

Parallel lines have the same slope, thus the slope of the parallel line is also 2.

Substitute m= 2 into the general equation:

y= 2x +c

Substitute a pair of coordinates into the equation to find the value of c:

When x= 3, y= 11,

11= 2(3) +c

11= 6 +c

c= 11 -6

c= 5

Therefore the equation of the line is y= 2x +5.

6 0

2 years ago

Read 2 more answers

Can someone help me with this please

DIA [1.3K]

Answer:

See below

Step-by-step explanation:

The starting point of 0 has a value of 3. The common difference of 2 is added at each step increse in n.

n f(n)

0 3

1 5

2 7

3 9

4 11

The can be modeled by the equation y = 2x+3

5 0

3 years ago

1. To determine simple interest, we use the formula i=prt where i is the interest, p is the principal or initial amount, r is th

Andrews [41]

Step-by-step explanation:

To determine simple interest, we use the formula

$I=Prt$

where I is the interest, p is the principal or initial amount, r is the interest rate is in the unit of years and t is the time in years

When the times is 3 years , then we plug in 3 for 't' directly

$I=Pr(3)\\$

we know that 1 year = 12 months

Suppose, the time is given in months then we divide time 't' by 12

When the times is 4 months , then we plug in 4 for 't' and divide by 12

$I=\frac{Pr(4)}{12}$

we know that 1 year = 365 days

Suppose, the time is given in days then we divide time 't' by 365

When the times is 45 days , then we plug in 45 for 't' and divide by 365

$I=\frac{Pr(45)}{365}$

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3 years ago

What are the solutions of the equation x6 – 9x3 + 8 = 0? Use u substitution to solve.

Natalka [10]

X6 – 9x3 + 8 = 0
let u = x^3
u^2 - 9u + 8 = 0
(u-8)(u-1) = 0
u = 1,8
back substitute
1 = x^3
8 = x^3

x = 1 , 2

4 0

3 years ago