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zloy xaker [14]
3 years ago
13

Please help! Question: Divide £40 in the ratio 3 : 7

Mathematics
1 answer:
Nady [450]3 years ago
5 0

Step-by-step explanation:

here's your answer hope it helps you

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What is the answer to 5(1 + 5n)
mario62 [17]

Answer: 5 + 25n

Explanation: Let's simplify this problem using the distributive property.

In this problem, the 5 "distributes" through the parentheses which means that it multiplies by each of the terms inside.

So we have 5(1) + 5(5n) which simplifies to 5 + 25n.

3 0
3 years ago
sandy is upgrading her internet service fast charges $60 for installation and $50.45 per month quick internet has free installat
seraphim [82]
Answer:
60+50.45x=57.95x

Cost of Fast Internet:
$60 for installation and $50.45 per month for months =

Cost of Quick Internet:
Free installation and $57.95 per month for months =

We want to know in how many months BOTH COSTS WOULD BE SAME. So we EQUATE the expressions for both. We have:

This equation can be solved for x to find the number of months for which the internet service would cost the same.

Read more on Brainly.com - brainly.com/question/893458#readmore
4 0
3 years ago
Find the sum of difference
murzikaleks [220]
Evaluate question answers
1. 6x7 -3
V
42 - 3
V
39
Answer
39

2. 2x6+3x7 - (-3)
V
12 + 21 - (-3)
V
12 + 21 + 3
V
36
Answer
36

3. 5 x (-3) +7 - 6
V
-5 x3+7 - 6
V
-15 + 7- 6
V
-14

Find the sum or difference answers

1. Simplify or expand
(16m 4 - 8m + 3) + (-7m4 - m2 - 8)

16m4 - 8m + 3 - 7m4 - m2 - 8
V
9m4 - 8m - 5 - m2
V
9m 4 - m2 - 8m - 5
Answer
9m 4 - m2 - 8m - 5

2. Simplify or expand
(3x2 - 5x + 9) + (2x2 + 9x -4)+ (7x- 11)
v
3x2 - 5x + 9+ 2x2+9x - 4+7x-11
V
5x2 + 11x - 6
Answer
5x2 + 11x - 6

3. Simplify or expand
(3y2 - y - 6) - (42 + 5y+ 3)
V
3y2 - y - 6 - 4y2 - 5y - 3
V
-y2 - 6y - 9
Answer
-y2 - 6y - 9

4. -7 -2+2x2+ 9x
2 Simplify or expand
-7 - 2+2x2+9x
V
-9 + 2x2 + 9x
V
2x2 + 9x - 9
Answer
2x2 + 9x - 9
8 0
3 years ago
7. what is the measure of angle E?
Y_Kistochka [10]
The measure of angle E is 70, but that is if angle D and F are the same
4 0
3 years ago
Read 2 more answers
Six less than a number in algebraic form
Novay_Z [31]

Answer:

six less than a number is n-6

Step-by-step explanation:

n-6

4 0
3 years ago
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