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Andrew [12]
2 years ago
10

pls I need help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz

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Mathematics
1 answer:
vichka [17]2 years ago
3 0

Answer:

4 pairs.

Step-by-step explanation:

Shin guards-$8.58

7 pairs of socks-$4.29

Pays-$25.74

Let's express following equation:

$25.74=8.58+4.29x

x will be the pairs of socks.

25.74-8.58=4.29x

x= 17.16{}/ 4.29{}{}

x=4

SO she bought 4 pairs of socks.

Hope this helps :)

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Dylan plans to eat 1/5of his candy bar. His friends want him to share the rest equally. Show how Dylan and his friends can each
Elanso [62]
Do you know how many friends he has then you can answer the question
4 0
3 years ago
What is the sine of angle C?
ololo11 [35]

Answer:

4/5 or 53°

Step-by-step explanation:

soh

cah

toa

you want soh

sine=opposite/hyp

therefore sine of C is 4/5

to find the degrees you have to something a lil different.

sin^-1 (theta)= 4/5

sin^-1(4/5)=theta

53°=theta

8 0
2 years ago
155%of 80 is what number
brilliants [131]
Recall that the conversion of 155% to decimal is to divide by 100. Thus, 155%=1.55.

Now, multiply this by 80: 1.55 * 80=124

So our answer is 124.
8 0
3 years ago
Read 2 more answers
A seed company planted a floral mosaic of a national flag. The perimeter of flag is 2,340 ft determine the flag’s width and leng
Natali5045456 [20]

Answer:

Width: 450 feet

Length: 720 feet

Step-by-step explanation:

So we start with the equation to find the perimeter -

2l + 2w = p

l = length

w = width

p = perimeter

We insert the 2,340 ft as the perimeter -

2l + 2w = 2,340 ft

Now we find another equation for the "length is 270 ft greater than width" -

l = 270 ft + w

Using substitution, we substitute the y in the first equation with 270 ft + w -

2 (270 ft + w) + 2w = 2,340 ft

540 ft + 2w + 2w = 2,340 ft

540 ft + 4w = 2,340 ft

4w = 2,340 ft - 540 ft

4w = 1,800 ft

w = 1,800 ft / 4

w = 450 ft

Now to find the width we substitute the w with 450 ft -

l = 270 ft + w

l = 270 ft + 450 ft

l = 720 ft

Check -

2 * 720 ft + 2 * 450 ft = 2,340 ft

1,440 ft + 900 ft = 2,340 ft

2,340 ft = 2,340 ft  (Correct)

3 0
3 years ago
What is the value of the expression w – 4 when w = –17?
JulsSmile [24]
=(-17) - 4
=(-17) + (-4)
=(-21)

3 0
3 years ago
Read 2 more answers
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