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Lana71 [14]
3 years ago
8

Ez 5th grade math ( don’t give me a link) Giving brainlist if correct!

Mathematics
2 answers:
alexandr1967 [171]3 years ago
7 0
1/7 x 28 = 4 yellow balls
5/7 x 28 = 20 white balls

28 - (20+4)

= 28 - (24)
= 4

4 of the balls are green
riadik2000 [5.3K]3 years ago
7 0

Answer:

4 Green balls

Step-by-step explanation:

Look at one row cuz there is 7 balls per row.

You can see there are 1 out of 7 are yellow, 5 out of 7 are white, which means 1 of 7 left are green.

Then just times 4 (4 rows).

You might be interested in
Let a and b 2 positive real number such that a
lilavasa [31]

Answer:

Proved

Step-by-step explanation:

Given

Integers: a and b

Where a < b

Required

Show that a^n < b^n

We start by writing out the given expression

a < b

Then, take nth root of both sides

a^n < b^n

For instance:

Let a = 2,  b = 2 and n = 4

First

Since 2 < 3

Then

2^4 < 3^4

16 < 81

Proved

<em>This is so for all positive values of a,b and n where a < b</em>

7 0
3 years ago
What is -2x – 10 = 4????
Sunny_sXe [5.5K]

Answer:

x = -7

Step-by-step explanation:

-2x - 10 = 4

-2x = 14 | Add 10 to both sides

x = -7 | Divide both sides by -2

4 0
3 years ago
leah won 37 super bouncy balls playing hoops at her school's game night. Later,she gave two to each of her friends.She only has
givi [52]
37 - 7 = 30


30 : 2 = 15 friends
3 0
3 years ago
PLEASE HELP HURRY!!!!!!!
Charra [1.4K]

As it has been given that x=4+5i, y=2-9i.

We need to find the value of the following:

(i) 4x-y, substituting the value of 'x' and 'y' in the expression, we get:

4(4+5i)-(2-9i)=4\times 4+4\times 5i-2+9i=16+20i-2+9i

=14+29i

So, 4x-y=14+29i

(ii) -x+3y, substituting the value of 'x' and 'y' in the expression, we get:

-(4+5i)+3(2-9i)=-4-5i+3\times 2-3 \times 9i=-4-5i+6-27i

=2-32i

So, -x+3y=2-32i

(iii) x \times y, we need to substitute the value of 'x' and 'y' in the expression,  for this, we can use distributive property of multiplication that says,

a(b+c)=a \times b+ a \times c

Using the distributive property of multiplication:

(4+5i)\times(2-9i)=4 \times 2-4 \times 9i+5i \times 2-5i \times 9i

=8-36i+10i-45i^2

Now, we know that i \times i=i^2=-1

We get, 8-36i+10i-45 \times (-1)=8-26i+45

=8+45-26i=53-26i

Therefore, x \times y=53-26i.

(iv) We have, 2x \times y, we need to substitute the value of 'x' and 'y' in the expression, we get:

2(4+5i)\times (2-9i)

Again, we can use distributive property of multiplication that says,

a(b+c)=a \times b+ a \times c

So,

2(4+5i) \times (2-9i)=2\times 4+2 \times 5i\times(2-9i)

=8+10i \times(2-9i)=8\times 2-8 \times 9i+10i \times 2-10i \times 9i

=16-72i+20i-90i^2

since, i^2=-1

we get,

16-72i+20i-90 \times (-1)=16-52i+90

=106-52i

Therefore,

2x \times y=106-52i


7 0
4 years ago
Read 2 more answers
Number 2 how do I do it I really do not know how to do it
irga5000 [103]
Um Mabry ask for help or reread
8 0
4 years ago
Read 2 more answers
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