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bija089 [108]
3 years ago
5

What are the partial products of 42times28

Mathematics
1 answer:
Lilit [14]3 years ago
6 0

Answer:


Step-by-step explanation:

42 × 48


(40 + 2) × (40 + 8)


40 × (40 + 2) = (40 × 40) + (40 × 2) = 1600 + 80 = 1680

8 × (40 + 2) = (40 × 8) + (2 × 8) = 320 + 16 = 336


Then 1680 + 336 = 2016

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I posted this earlier but i never got a<br> response. please help!
valina [46]
I think that this is the right answers

3 0
4 years ago
What is this function written in vertex form? f(x) = (x –1)2 – 7 f(x) = (x 1)2 – 7 f(x) = (x –1)2 – 5 f(x) = (x 1)2 – 5
Maslowich

The vertex form of all expressions is given below.

We have given that the expressions

We have to write the function in vertex form.

<h3>What is the vertex form of the equation?</h3>

The vertex form of a quadratic function is given by f (x) = a(x - h)^2 + k, where (h, k) is the vertex of the parabola.

Therefore the first equation

f(x)=(x-1)^2-7

it can be written as

f(x)=1(x-1)^2+(-7)

The second equation can be written as

f(x) = (x+1)^2 -7

vertex for is,

f(x)=1(x-(-1))^2+(-7)

The third equation is,

f(x) = (x -1)^2 - 5

Vertex form is,

f(x)=1(x-1)^2+(-5)

Forth equation is,

f(x) = (x +1)^2 +(- 5)

Vertex form is,

f(x) =1 (x -(-1))^2 +(- 5)

To learn more about the vertex form visit:

brainly.com/question/17987697

#SPJ1

3 0
2 years ago
Samuel exercises everyday. She spends 40% of his exercise on the treadmill. If he uses the treadmill 40 minutes each day, how ma
padilas [110]
Samuel exercises for 100 minutes each day. Or in other words, 1 hour and 40 minutes.
3 0
3 years ago
100 POINTS!!!! Nicholas has some cans at home to donate to the soup kitchen, but decides to start a can drive at his school to s
gladu [14]

Answer:

he school collected 235 cans a day

Nicholas had 15 cans at home

Step-by-step explanation:

The school collected 235 cans a day

Nicholas had 15 cans at home

Step-by-step explanation:

Looking at the equation:

15 is a constant, meaning that even at x=0 days, nicholas would have had 15 cans, meaning he already had them at home

235 is the number that the variable(the number of days) is multiplied with, this means that 235 is the number of cans that can be collected daily.

Read more on Brainly.com - brainly.com/question/9966828#readmore

8 0
3 years ago
Read 2 more answers
What is the formula of (a+b)² and (a-b)²<br>?​
oksian1 [2.3K]

Answer:

The formula of (a+b)² and (a-b)² are as follows:

Step-by-step explanation:

(a+b)²=a²+2ab+b²

(a-b)²=a²-2ab+b²

5 0
3 years ago
Read 2 more answers
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