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svlad2 [7]
3 years ago
7

Can you please tell the answer of 398 x 74 I am just in grade 5 it's the multiply if you know help me

Mathematics
2 answers:
kow [346]3 years ago
6 0

Answer: write out 398 Then draw a line underneath and then multiply 7 by each

X. 7 Number in 398. do 7x8 then 7x9 then 7x3

Step-by-step explanation:

charle [14.2K]3 years ago
4 0

Answer:29,452

Step-by-step explanation:

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Which of these is not a possible r-value?
Tems11 [23]

Answer:

Step-by-step explanation:

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4 0
4 years ago
Choose the graphic representation of the quadratic function f(x) = x2 – 8x + 24.
larisa86 [58]

Refer the attached figure for the graphic representation of the given quadratic equation.

<u>Step-by-step explanation:</u>

Given expression:

    f(x)=x^{2}-8 x+24

To find:

  The graphic representation of the given quadratic function

For solution, plot the graph to the given quadratic equation.

The standard form of the equation is

  y=a x^{2}+b x+c

When comparing with given quadratic equation,

a = 1, b = - 8, c = 24

Axis of symmetry is x=\frac{-b}{2 a}

By applying the values, the axis of symmetry of given equation is

     x=\frac{-(-8)}{2(1)}=4

The vertex form of quadratic equation is f(x)=a(x-h)^{2}+k

Where, (h,k) are the vertex.

Convert the quadratic equation into vertex form.

By completing the square,

f(x)=x^{2}-8 x+24

f(x)=\left(x^{2}-2(4) x+4^{2}\right)-4^{2}+24

f(x)=(x-4)^{2}+8

On comparison,

(h , k) = (4 , 8)

Now, plot the equation with vertex (4,8) [refer attached figure].

4 0
3 years ago
The mean age of 5 people in a room is 40 years.
max2010maxim [7]

Answer:

22years

Step-by-step explanation:

The sum of ages of people in the room is 40 * 5= 200

[ Remember mean = total ahead of people/ number of people]

Let the age of the 6th person be X

200+x. / 6 = 37

200 + x = 37 * 6 = 222

x = 222- 200 = 22

7 0
3 years ago
Add Hours &amp; Minutes.<br> What is 03:45 + 04:47?
Nesterboy [21]

Answer:

8:32

Step-by-step explanation:

add 345+447 to get 792 then subtract 60 and add 100 to get 8:32

6 0
2 years ago
3x2 - 7<br> =<br> 4x2 - 3<br> Find f(2)
Naya [18.7K]

Answer:

5/13

Step-by-step explanation:

5 0
3 years ago
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