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Molodets [167]
2 years ago
14

A school has 320 girls and 250 boys.

Mathematics
1 answer:
Makovka662 [10]2 years ago
8 0

Answer:

580 girls and boys

Step-by-step explanation:

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Two shops, Lidal and Oldi, sell the same brand of toilet rolls but with different package sizes.
xeze [42]

Lidal's price is better

Step-by-step explanation:

Lidal

4 for £2.04

1 for £2.04/4= £0.51= 51 p

Oldi

9 for £4.68

1 for £4.68/9= £0.52= 51 p

Lidal offers better price per roll

5 0
3 years ago
How can you use a bar diagram to check the accuracy of the solution to a ratio or rate problem
jeyben [28]
How can you use a bar diagram to check the accuracy of the solution to a ratio or rate problem<span>? ... To see which bar is higher... the higher the bar the soloution if the ratio ... If the ratio of problems she finished to problems she still had left was 8 : 1, how many homework problems did she have total?</span>
3 0
3 years ago
A(x) = 7 – 4x , A(-1) =
kramer

Answer:

<em><u>7-4*(-1)</u></em>

<em><u>7-4*(-1)7+4</u></em>

<em><u>7-4*(-1)7+411</u></em>

Step-by-step explanation:

hope it will help u

8 0
2 years ago
Read 2 more answers
The value of a bike depreciates by 55% per year. Work out the current value of a bike bought 2 years ago for £1300.
nikitadnepr [17]

Year 1: 1,300 * 55% = 715  depreciation
             1,300 - 715 = 585  book value

Year 2: 585 * 55% = 321.75 depreciation
             585 - 321.75 = 263.25 book value

Year 3: 263.25 * 55% = 144.79 depreciation
             263.25 - 144.79 = 118.46 book value

If the bike was bought 2 years ago, then its current value is $263.25. 

Currently, it is the beginning of Year 3 but depreciation is computed at the end of the year.

7 0
3 years ago
Write the standard form of the equation that is parallel to y = -6x + 5 and goes through point (4, 4).
steposvetlana [31]

6x + y = 28.  The standard form of the equation that is parallel to y = -6x + 5 and goes through point (4, 4) is 6x + y = 28.

The equation is written in the slope-intercept form y = mx +b. So:

y = -6x + 5

The slope m = -6

Since the slopes of parallel lines are the same, we are looking for a slope line m = -6 and goes through point (4, 4).

With the slope-intercept form:

y = mx + b

Introducing the slope m = -6:

y = -6x + b

Introducing the point (4, 4):

4 = -6(4) + b

b = 4 + 6(4)

b= 24 + 4

b = 28

Then

y = -6x + 28

write the equation in standard form ax + by = c:

y = -6x + 28

6x + y = 28

8 0
3 years ago
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